From 975b91eeffca526ae27fd59c5c69ca08d677bc60 Mon Sep 17 00:00:00 2001 From: Gururaj Gurram Date: Sun, 22 Dec 2024 01:57:45 +0530 Subject: [PATCH] feat: add C implementation for blas/base/gdot --- type: pre_push_report description: Results of running various checks prior to pushing changes. report: - task: run_javascript_examples status: na - task: run_c_examples status: na - task: run_cpp_examples status: na - task: run_javascript_readme_examples status: na - task: run_c_benchmarks status: na - task: run_cpp_benchmarks status: na - task: run_fortran_benchmarks status: na - task: run_javascript_benchmarks status: na - task: run_julia_benchmarks status: na - task: run_python_benchmarks status: na - task: run_r_benchmarks status: na - task: run_javascript_tests status: na --- --- .../@stdlib/blas/base/gdot/README.md | 142 ++++++- .../base/gdot/benchmark/benchmark.native.js | 108 +++++ .../benchmark/benchmark.ndarray.native.js | 108 +++++ .../blas/base/gdot/benchmark/c/Makefile | 146 +++++++ .../base/gdot/benchmark/c/benchmark.length.c | 195 +++++++++ .../@stdlib/blas/base/gdot/binding.gyp | 265 ++++++++++++ .../blas/base/gdot/examples/c/Makefile | 146 +++++++ .../blas/base/gdot/examples/c/example.c | 45 ++ .../@stdlib/blas/base/gdot/include.gypi | 70 ++++ .../base/gdot/include/stdlib/blas/base/gdot.h | 48 +++ .../include/stdlib/blas/base/gdot_cblas.h | 43 ++ .../@stdlib/blas/base/gdot/lib/gdot.js | 60 +++ .../@stdlib/blas/base/gdot/lib/gdot.native.js | 52 +++ .../@stdlib/blas/base/gdot/lib/index.js | 33 +- .../@stdlib/blas/base/gdot/lib/main.js | 72 +--- .../@stdlib/blas/base/gdot/lib/native.js | 35 ++ .../@stdlib/blas/base/gdot/lib/ndarray.js | 6 +- .../blas/base/gdot/lib/ndarray.native.js | 54 +++ .../@stdlib/blas/base/gdot/manifest.json | 396 ++++++++++++++++++ .../@stdlib/blas/base/gdot/package.json | 4 + .../@stdlib/blas/base/gdot/src/Makefile | 70 ++++ .../@stdlib/blas/base/gdot/src/addon.c | 66 +++ .../@stdlib/blas/base/gdot/src/gdot.c | 79 ++++ .../@stdlib/blas/base/gdot/src/gdot_cblas.c | 54 +++ .../@stdlib/blas/base/gdot/src/gdot_ndarray.c | 78 ++++ .../gdot/test/{test.main.js => test.gdot.js} | 2 +- .../blas/base/gdot/test/test.gdot.native.js | 251 +++++++++++ .../base/gdot/test/test.ndarray.native.js | 275 ++++++++++++ 28 files changed, 2809 insertions(+), 94 deletions(-) create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/benchmark/benchmark.native.js create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/benchmark/benchmark.ndarray.native.js create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/benchmark/c/Makefile create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/benchmark/c/benchmark.length.c create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/binding.gyp create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/examples/c/Makefile create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/examples/c/example.c create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/include.gypi create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/include/stdlib/blas/base/gdot.h create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/include/stdlib/blas/base/gdot_cblas.h create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/lib/gdot.js create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/lib/gdot.native.js create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/lib/native.js create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/lib/ndarray.native.js create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/manifest.json create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/src/Makefile create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/src/addon.c create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/src/gdot.c create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/src/gdot_cblas.c create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/src/gdot_ndarray.c rename lib/node_modules/@stdlib/blas/base/gdot/test/{test.main.js => test.gdot.js} (99%) create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/test/test.gdot.native.js create mode 100644 lib/node_modules/@stdlib/blas/base/gdot/test/test.ndarray.native.js diff --git a/lib/node_modules/@stdlib/blas/base/gdot/README.md b/lib/node_modules/@stdlib/blas/base/gdot/README.md index 1c92a3246636..e55fd8521193 100644 --- a/lib/node_modules/@stdlib/blas/base/gdot/README.md +++ b/lib/node_modules/@stdlib/blas/base/gdot/README.md @@ -2,7 +2,7 @@ @license Apache-2.0 -Copyright (c) 2020 The Stdlib Authors. +Copyright (c) 2024 The Stdlib Authors. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. @@ -169,17 +169,141 @@ console.log( out ); - - - diff --git a/lib/node_modules/@stdlib/blas/base/gdot/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/blas/base/gdot/benchmark/benchmark.native.js new file mode 100644 index 000000000000..aaf37bfed330 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/gdot/benchmark/benchmark.native.js @@ -0,0 +1,108 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var pow = require( '@stdlib/math/base/special/pow' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var gdot = tryRequire( resolve( __dirname, './../lib/caxpy.native.js' ) ); +var opts = { + 'skip': ( gdot instanceof Error ) +}; +var options = { + 'dtype': 'float64' +}; + + +// FUNCTIONS // + +/** +* Creates a benchmark function. +* +* @private +* @param {PositiveInteger} len - array length +* @returns {Function} benchmark function +*/ +function createBenchmark( len ) { + var x = uniform( len, -100.0, 100.0, options ); + var y = uniform( len, -100.0, 100.0, options ); + return benchmark; + + /** + * Benchmark function. + * + * @private + * @param {Benchmark} b - benchmark instance + */ + function benchmark( b ) { + var z; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + z = gdot( len, x, 1, y, 1 ); + if ( isnan( z ) ) { + b.fail( 'something went wrong' ); + } + } + b.toc(); + if ( isnan( z ) ) { + b.fail( 'something went wrong' ); + } + b.pass( 'benchmark finished' ); + b.end(); + } +} + + +// MAIN // + +/** +* Main execution sequence. +* +* @private +*/ +function main() { + var len; + var min; + var max; + var f; + var i; + + min = 1; // 10^min + max = 6; // 10^max + + for ( i = min; i <= max; i++ ) { + len = pow( 10, i ); + f = createBenchmark( len ); + bench( pkg+'::native:len='+len, opts, f ); + } +} + +main(); diff --git a/lib/node_modules/@stdlib/blas/base/gdot/benchmark/benchmark.ndarray.native.js b/lib/node_modules/@stdlib/blas/base/gdot/benchmark/benchmark.ndarray.native.js new file mode 100644 index 000000000000..16e3ec88b4dd --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/gdot/benchmark/benchmark.ndarray.native.js @@ -0,0 +1,108 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var pow = require( '@stdlib/math/base/special/pow' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var gdot = tryRequire( resolve( __dirname, './../lib/ndarray.native.js' ) ); +var opts = { + 'skip': ( gdot instanceof Error ) +}; +var options = { + 'dtype': 'float64' +}; + + +// FUNCTIONS // + +/** +* Creates a benchmark function. +* +* @private +* @param {PositiveInteger} len - array length +* @returns {Function} benchmark function +*/ +function createBenchmark( len ) { + var x = uniform( len, -100.0, 100.0, options ); + var y = uniform( len, -100.0, 100.0, options ); + return benchmark; + + /** + * Benchmark function. + * + * @private + * @param {Benchmark} b - benchmark instance + */ + function benchmark( b ) { + var z; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + z = gdot( len, x, 1, 0, y, 1, 0 ); + if ( isnan( z ) ) { + b.fail( 'something went wrong' ); + } + } + b.toc(); + if ( isnan( z ) ) { + b.fail( 'something went wrong' ); + } + b.pass( 'benchmark finished' ); + b.end(); + } +} + + +// MAIN // + +/** +* Main execution sequence. +* +* @private +*/ +function main() { + var len; + var min; + var max; + var f; + var i; + + min = 1; // 10^min + max = 6; // 10^max + + for ( i = min; i <= max; i++ ) { + len = pow( 10, i ); + f = createBenchmark( len ); + bench( pkg+'::native:ndarray:len='+len, opts, f ); + } +} + +main(); diff --git a/lib/node_modules/@stdlib/blas/base/gdot/benchmark/c/Makefile b/lib/node_modules/@stdlib/blas/base/gdot/benchmark/c/Makefile new file mode 100644 index 000000000000..9f97140e7cb0 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/gdot/benchmark/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2024 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := benchmark.length.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled benchmarks. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/blas/base/gdot/benchmark/c/benchmark.length.c b/lib/node_modules/@stdlib/blas/base/gdot/benchmark/c/benchmark.length.c new file mode 100644 index 000000000000..07c3fa332c68 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/gdot/benchmark/c/benchmark.length.c @@ -0,0 +1,195 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/blas/base/gdot.h" +#include +#include +#include +#include +#include + +#define NAME "gdot" +#define ITERATIONS 10000000 +#define REPEATS 3 +#define MIN 1 +#define MAX 6 + +/** +* Prints the TAP version. +*/ +static void print_version( void ) { + printf( "TAP version 13\n" ); +} + +/** +* Prints the TAP summary. +* +* @param total total number of tests +* @param passing total number of passing tests +*/ +static void print_summary( int total, int passing ) { + printf( "#\n" ); + printf( "1..%d\n", total ); // TAP plan + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmarks results. +* +* @param iterations number of iterations +* @param elapsed elapsed time in seconds +*/ +static void print_results( int iterations, double elapsed ) { + double rate = (double)iterations / elapsed; + printf( " ---\n" ); + printf( " iterations: %d\n", iterations ); + printf( " elapsed: %0.9f\n", elapsed ); + printf( " rate: %0.9f\n", rate ); + printf( " ...\n" ); +} + +/** +* Returns a clock time. +* +* @return clock time +*/ +static double tic( void ) { + struct timeval now; + gettimeofday( &now, NULL ); + return (double)now.tv_sec + (double)now.tv_usec/1.0e6; +} + +/** +* Generates a random number on the interval [0,1). +* +* @return random number +*/ +static double rand_double( void ) { + int r = rand(); + return (double)r / ( (double)RAND_MAX + 1.0 ); +} + +/** +* Runs a benchmark. +* +* @param iterations number of iterations +* @param len array length +* @return elapsed time in seconds +*/ +static double benchmark1( int iterations, int len ) { + double elapsed; + double x[ len ]; + double y[ len ]; + double z; + double t; + int i; + + for ( i = 0; i < len; i++ ) { + x[ i ] = ( rand_double()*20000.0 ) - 10000.0; + y[ i ] = ( rand_double()*20000.0 ) - 10000.0; + } + z = 0.0; + t = tic(); + for ( i = 0; i < iterations; i++ ) { + z = c_gdot( len, x, 1, y, 1 ); + if ( z != z ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( z != z ) { + printf( "should not return NaN\n" ); + } + return elapsed; +} + +/** +* Runs a benchmark. +* +* @param iterations number of iterations +* @param len array length +* @return elapsed time in seconds +*/ +static double benchmark2( int iterations, int len ) { + double elapsed; + double x[ len ]; + double y[ len ]; + double z; + double t; + int i; + + for ( i = 0; i < len; i++ ) { + x[ i ] = ( rand_double()*20000.0 ) - 10000.0; + y[ i ] = ( rand_double()*20000.0 ) - 10000.0; + } + z = 0.0; + t = tic(); + for ( i = 0; i < iterations; i++ ) { + z = c_gdot_ndarray( len, x, 1, 0, y, 1, 0 ); + if ( z != z ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( z != z ) { + printf( "should not return NaN\n" ); + } + return elapsed; +} + +/** +* Main execution sequence. +*/ +int main( void ) { + double elapsed; + int count; + int iter; + int len; + int i; + int j; + + // Use the current time to seed the random number generator: + srand( time( NULL ) ); + + print_version(); + count = 0; + for ( i = MIN; i <= MAX; i++ ) { + len = pow( 10, i ); + iter = ITERATIONS / pow( 10, i-1 ); + for ( j = 0; j < REPEATS; j++ ) { + count += 1; + printf( "# c::%s:len=%d\n", NAME, len ); + elapsed = benchmark1( iter, len ); + print_results( iter, elapsed ); + printf( "ok %d benchmark finished\n", count ); + } + for ( j = 0; j < REPEATS; j++ ) { + count += 1; + printf( "# c::%s:ndarray:len=%d\n", NAME, len ); + elapsed = benchmark2( iter, len ); + print_results( iter, elapsed ); + printf( "ok %d benchmark finished\n", count ); + } + } + print_summary( count, count ); +} diff --git a/lib/node_modules/@stdlib/blas/base/gdot/binding.gyp b/lib/node_modules/@stdlib/blas/base/gdot/binding.gyp new file mode 100644 index 000000000000..02a2799da097 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/gdot/binding.gyp @@ -0,0 +1,265 @@ +# @license Apache-2.0 +# +# Copyright (c) 2024 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A `.gyp` file for building a Node.js native add-on. +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # List of files to include in this file: + 'includes': [ + './include.gypi', + ], + + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Target name should match the add-on export name: + 'addon_target_name%': 'addon', + + # Fortran compiler (to override -Dfortran_compiler=): + 'fortran_compiler%': 'gfortran', + + # Fortran compiler flags: + 'fflags': [ + # Specify the Fortran standard to which a program is expected to conform: + '-std=f95', + + # Indicate that the layout is free-form source code: + '-ffree-form', + + # Aggressive optimization: + '-O3', + + # Enable commonly used warning options: + '-Wall', + + # Warn if source code contains problematic language features: + '-Wextra', + + # Warn if a procedure is called without an explicit interface: + '-Wimplicit-interface', + + # Do not transform names of entities specified in Fortran source files by appending underscores (i.e., don't mangle names, thus allowing easier usage in C wrappers): + '-fno-underscoring', + + # Warn if source code contains Fortran 95 extensions and C-language constructs: + '-pedantic', + + # Compile but do not link (output is an object file): + '-c', + ], + + # Set variables based on the host OS: + 'conditions': [ + [ + 'OS=="win"', + { + # Define the object file suffix: + 'obj': 'obj', + }, + { + # Define the object file suffix: + 'obj': 'o', + } + ], # end condition (OS=="win") + ], # end conditions + }, # end variables + + # Define compile targets: + 'targets': [ + + # Target to generate an add-on: + { + # The target name should match the add-on export name: + 'target_name': '<(addon_target_name)', + + # Define dependencies: + 'dependencies': [], + + # Define directories which contain relevant include headers: + 'include_dirs': [ + # Local include directory: + '<@(include_dirs)', + ], + + # List of source files: + 'sources': [ + '<@(src_files)', + ], + + # Settings which should be applied when a target's object files are used as linker input: + 'link_settings': { + # Define libraries: + 'libraries': [ + '<@(libraries)', + ], + + # Define library directories: + 'library_dirs': [ + '<@(library_dirs)', + ], + }, + + # C/C++ compiler flags: + 'cflags': [ + # Enable commonly used warning options: + '-Wall', + + # Aggressive optimization: + '-O3', + ], + + # C specific compiler flags: + 'cflags_c': [ + # Specify the C standard to which a program is expected to conform: + '-std=c99', + ], + + # C++ specific compiler flags: + 'cflags_cpp': [ + # Specify the C++ standard to which a program is expected to conform: + '-std=c++11', + ], + + # Linker flags: + 'ldflags': [], + + # Apply conditions based on the host OS: + 'conditions': [ + [ + 'OS=="mac"', + { + # Linker flags: + 'ldflags': [ + '-undefined dynamic_lookup', + '-Wl,-no-pie', + '-Wl,-search_paths_first', + ], + }, + ], # end condition (OS=="mac") + [ + 'OS!="win"', + { + # C/C++ flags: + 'cflags': [ + # Generate platform-independent code: + '-fPIC', + ], + }, + ], # end condition (OS!="win") + ], # end conditions + + # Define custom build actions for particular inputs: + 'rules': [ + { + # Define a rule for processing Fortran files: + 'extension': 'f', + + # Define the pathnames to be used as inputs when performing processing: + 'inputs': [ + # Full path of the current input: + '<(RULE_INPUT_PATH)' + ], + + # Define the outputs produced during processing: + 'outputs': [ + # Store an output object file in a directory for placing intermediate results (only accessible within a single target): + '<(INTERMEDIATE_DIR)/<(RULE_INPUT_ROOT).<(obj)' + ], + + # Define the rule for compiling Fortran based on the host OS: + 'conditions': [ + [ + 'OS=="win"', + + # Rule to compile Fortran on Windows: + { + 'rule_name': 'compile_fortran_windows', + 'message': 'Compiling Fortran file <(RULE_INPUT_PATH) on Windows...', + + 'process_outputs_as_sources': 0, + + # Define the command-line invocation: + 'action': [ + '<(fortran_compiler)', + '<@(fflags)', + '<@(_inputs)', + '-o', + '<@(_outputs)', + ], + }, + + # Rule to compile Fortran on non-Windows: + { + 'rule_name': 'compile_fortran_linux', + 'message': 'Compiling Fortran file <(RULE_INPUT_PATH) on Linux...', + + 'process_outputs_as_sources': 1, + + # Define the command-line invocation: + 'action': [ + '<(fortran_compiler)', + '<@(fflags)', + '-fPIC', # generate platform-independent code + '<@(_inputs)', + '-o', + '<@(_outputs)', + ], + } + ], # end condition (OS=="win") + ], # end conditions + }, # end rule (extension=="f") + ], # end rules + }, # end target <(addon_target_name) + + # Target to copy a generated add-on to a standard location: + { + 'target_name': 'copy_addon', + + # Declare that the output of this target is not linked: + 'type': 'none', + + # Define dependencies: + 'dependencies': [ + # Require that the add-on be generated before building this target: + '<(addon_target_name)', + ], + + # Define a list of actions: + 'actions': [ + { + 'action_name': 'copy_addon', + 'message': 'Copying addon...', + + # Explicitly list the inputs in the command-line invocation below: + 'inputs': [], + + # Declare the expected outputs: + 'outputs': [ + '<(addon_output_dir)/<(addon_target_name).node', + ], + + # Define the command-line invocation: + 'action': [ + 'cp', + '<(PRODUCT_DIR)/<(addon_target_name).node', + '<(addon_output_dir)/<(addon_target_name).node', + ], + }, + ], # end actions + }, # end target copy_addon + ], # end targets +} diff --git a/lib/node_modules/@stdlib/blas/base/gdot/examples/c/Makefile b/lib/node_modules/@stdlib/blas/base/gdot/examples/c/Makefile new file mode 100644 index 000000000000..6aed70daf167 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/gdot/examples/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2024 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := example.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled examples. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/blas/base/gdot/examples/c/example.c b/lib/node_modules/@stdlib/blas/base/gdot/examples/c/example.c new file mode 100644 index 000000000000..a2a6c4a9731a --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/gdot/examples/c/example.c @@ -0,0 +1,45 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/blas/base/gdot.h" +#include + +int main( void ) { + // Create strided arrays: + const double x[] = { 1.0, -2.0, 3.0, -4.0, 5.0, -6.0, 7.0, -8.0 }; + const double y[] = { 1.0, -2.0, 3.0, -4.0, 5.0, -6.0, 7.0, -8.0 }; + + // Specify the number of elements: + const int N = 8; + + // Specify strides: + const int strideX = 1; + const int strideY = -1; + + // Compute the dot product: + double d = c_gdot( N, x, strideX, y, strideY ); + + // Print the result: + printf( "dot product: %lf\n", d ); + + // Compute the dot product: + d = c_ddot_ndarray( N, x, strideX, 0, y, strideY, N-1 ); + + // Print the result: + printf( "dot product: %lf\n", d ); +} diff --git a/lib/node_modules/@stdlib/blas/base/gdot/include.gypi b/lib/node_modules/@stdlib/blas/base/gdot/include.gypi new file mode 100644 index 000000000000..497aeca15320 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/gdot/include.gypi @@ -0,0 +1,70 @@ +# @license Apache-2.0 +# +# Copyright (c) 2024 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A GYP include file for building a Node.js native add-on. +# +# Note that nesting variables is required due to how GYP processes a configuration. Any variables defined within a nested 'variables' section is defined in the outer scope. Thus, conditions in the outer variable scope are free to use these variables without running into "variable undefined" errors. +# +# Main documentation: +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +# +# Variable nesting hacks: +# +# [3]: https://chromium.googlesource.com/external/skia/gyp/+/master/common_variables.gypi +# [4]: https://src.chromium.org/viewvc/chrome/trunk/src/build/common.gypi?revision=127004 +{ + # Define variables to be used throughout the configuration for all targets: + 'variables': { + 'variables': { + # Host BLAS library (to override -Dblas=): + 'blas%': '', + + # Path to BLAS library (to override -Dblas_dir=): + 'blas_dir%': '', + }, # end variables + + # Source directory: + 'src_dir': './src', + + # Include directories: + 'include_dirs': [ + '<@(blas_dir)', + ' 0 ) { - for ( i = 0; i < m; i++ ) { - dot += x[ i ] * y[ i ]; - } - } - if ( N < M ) { - return dot; - } - for ( i = m; i < N; i += M ) { - dot += ( x[i]*y[i] ) + ( x[i+1]*y[i+1] ) + ( x[i+2]*y[i+2] ) + ( x[i+3]*y[i+3] ) + ( x[i+4]*y[i+4] ); // eslint-disable-line max-len - } - return dot; - } - if ( strideX < 0 ) { - ix = ( 1-N ) * strideX; - } else { - ix = 0; - } - if ( strideY < 0 ) { - iy = ( 1-N ) * strideY; - } else { - iy = 0; - } - for ( i = 0; i < N; i++ ) { - dot += ( x[ ix ] * y[ iy ] ); - ix += strideX; - iy += strideY; - } - return dot; -} +setReadOnly( gdot, 'ndarray', ndarray ); // EXPORTS // diff --git a/lib/node_modules/@stdlib/blas/base/gdot/lib/native.js b/lib/node_modules/@stdlib/blas/base/gdot/lib/native.js new file mode 100644 index 000000000000..d61cc3c034a3 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/gdot/lib/native.js @@ -0,0 +1,35 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' ); +var gdot = require( './gdot.native.js' ); +var ndarray = require( './ndarray.native.js' ); + + +// MAIN // + +setReadOnly( gdot, 'ndarray', ndarray ); + + +// EXPORTS // + +module.exports = gdot; diff --git a/lib/node_modules/@stdlib/blas/base/gdot/lib/ndarray.js b/lib/node_modules/@stdlib/blas/base/gdot/lib/ndarray.js index c8323ae20eaa..22173e145f8e 100644 --- a/lib/node_modules/@stdlib/blas/base/gdot/lib/ndarray.js +++ b/lib/node_modules/@stdlib/blas/base/gdot/lib/ndarray.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2020 The Stdlib Authors. +* Copyright (c) 2024 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -26,7 +26,7 @@ var M = 5; // MAIN // /** -* Computes the dot product of `x` and `y`. +* Computes the dot product of vectors `x` and `y`. * * @param {integer} N - number of indexed elements * @param {NumericArray} x - first input array @@ -74,7 +74,7 @@ function gdot( N, x, strideX, offsetX, y, strideY, offsetY ) { return dot; } for ( i = m; i < N; i += M ) { - dot += ( x[ix]*y[iy] ) + ( x[ix+1]*y[iy+1] ) + ( x[ix+2]*y[iy+2] ) + ( x[ix+3]*y[iy+3] ) + ( x[ix+4]*y[iy+4] ); // eslint-disable-line max-len + dot += ( x[ ix ]*y[ iy ] ) + ( x[ ix+1 ]*y[ iy+1 ] ) + ( x[ ix+2 ]*y[ iy+2 ] ) + ( x[ ix+3 ]*y[ iy+3 ] ) + ( x[ ix+4 ]*y[ iy+4 ] ); // eslint-disable-line max-len ix += M; iy += M; } diff --git a/lib/node_modules/@stdlib/blas/base/gdot/lib/ndarray.native.js b/lib/node_modules/@stdlib/blas/base/gdot/lib/ndarray.native.js new file mode 100644 index 000000000000..fd82d7dbb81b --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/gdot/lib/ndarray.native.js @@ -0,0 +1,54 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var addon = require( './../src/addon.node' ); + + +// MAIN // + +/** +* Computes the dot product of vectors `x` and `y`. +* +* @param {integer} N - number of indexed elements +* @param {NumericArray} x - first input array +* @param {integer} strideX - `x` stride length +* @param {NonNegativeInteger} offsetX - starting index for `x` +* @param {NumericArray} y - second input array +* @param {integer} strideY - `y` stride length +* @param {NonNegativeInteger} offsetY - starting index for `y` +* @returns {number} dot product +* +* @example +* var x = [ 4.0, 2.0, -3.0, 5.0, -1.0 ]; +* var y = [ 2.0, 6.0, -1.0, -4.0, 8.0 ]; + +* var z = gdot( x.length, x, 1, 0, y, 1, 0 ); +* // returns -5.0 +*/ +function gdot( N, x, strideX, offsetX, y, strideY, offsetY ) { + return addon.ndarray( N, x, strideX, offsetX, y, strideY, offsetY ); +} + + +// EXPORTS // + +module.exports = gdot; diff --git a/lib/node_modules/@stdlib/blas/base/gdot/manifest.json b/lib/node_modules/@stdlib/blas/base/gdot/manifest.json new file mode 100644 index 000000000000..847ce2914d71 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/gdot/manifest.json @@ -0,0 +1,396 @@ +{ + "options": { + "task": "build", + "os": "linux", + "blas": "", + "wasm": false + }, + "fields": [ + { + "field": "src", + "resolve": true, + "relative": true + }, + { + "field": "include", + "resolve": true, + "relative": true + }, + { + "field": "libraries", + "resolve": false, + "relative": false + }, + { + "field": "libpath", + "resolve": true, + "relative": false + } + ], + "confs": [ + { + "task": "benchmark", + "os": "linux", + "blas": "", + "wasm": false, + "src": [ + "./src/gdot.c", + "./src/gdot_ndarray.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset" + ] + }, + { + "task": "examples", + "os": "linux", + "blas": "", + "wasm": false, + "src": [ + "./src/gdot.c", + "./src/gdot_ndarray.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset" + ] + }, + + { + "task": "build", + "os": "linux", + "blas": "openblas", + "wasm": false, + "src": [ + "./src/gdot_cblas.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lopenblas", + "-lpthread" + ], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/min-view-buffer-index", + "@stdlib/napi/export", + "@stdlib/napi/argv", + "@stdlib/napi/argv-int64", + "@stdlib/napi/argv-strided-float64array", + "@stdlib/napi/create-double" + ] + }, + { + "task": "benchmark", + "os": "linux", + "blas": "openblas", + "wasm": false, + "src": [ + "./src/gdot_cblas.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lopenblas", + "-lpthread" + ], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/min-view-buffer-index" + ] + }, + { + "task": "examples", + "os": "linux", + "blas": "openblas", + "wasm": false, + "src": [ + "./src/gdot_cblas.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lopenblas", + "-lpthread" + ], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/min-view-buffer-index" + ] + }, + + { + "task": "benchmark", + "os": "mac", + "blas": "", + "wasm": false, + "src": [ + "./src/gdot.c", + "./src/gdot_ndarray.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset" + ] + }, + { + "task": "examples", + "os": "mac", + "blas": "", + "wasm": false, + "src": [ + "./src/gdot.c", + "./src/gdot_ndarray.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset" + ] + }, + + { + "task": "build", + "os": "mac", + "blas": "apple_accelerate_framework", + "wasm": false, + "src": [ + "./src/gdot_cblas.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lblas" + ], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/min-view-buffer-index", + "@stdlib/napi/export", + "@stdlib/napi/argv", + "@stdlib/napi/argv-int64", + "@stdlib/napi/argv-strided-float64array", + "@stdlib/napi/create-double" + ] + }, + { + "task": "benchmark", + "os": "mac", + "blas": "apple_accelerate_framework", + "wasm": false, + "src": [ + "./src/gdot_cblas.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lblas" + ], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/min-view-buffer-index" + ] + }, + { + "task": "examples", + "os": "mac", + "blas": "apple_accelerate_framework", + "wasm": false, + "src": [ + "./src/gdot_cblas.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lblas" + ], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/min-view-buffer-index" + ] + }, + + { + "task": "build", + "os": "mac", + "blas": "openblas", + "wasm": false, + "src": [ + "./src/gdot_cblas.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lopenblas", + "-lpthread" + ], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/min-view-buffer-index", + "@stdlib/napi/export", + "@stdlib/napi/argv", + "@stdlib/napi/argv-int64", + "@stdlib/napi/argv-strided-float64array", + "@stdlib/napi/create-double" + ] + }, + { + "task": "benchmark", + "os": "mac", + "blas": "openblas", + "wasm": false, + "src": [ + "./src/gdot_cblas.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lopenblas", + "-lpthread" + ], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/min-view-buffer-index" + ] + }, + { + "task": "examples", + "os": "mac", + "blas": "openblas", + "wasm": false, + "src": [ + "./src/gdot_cblas.c" + ], + "include": [ + "./include" + ], + "libraries": [ + "-lopenblas", + "-lpthread" + ], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/min-view-buffer-index" + ] + }, + + { + "task": "build", + "os": "win", + "blas": "", + "wasm": false, + "src": [ + "./src/gdot.c", + "./src/gdot_ndarray.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset", + "@stdlib/napi/export", + "@stdlib/napi/argv", + "@stdlib/napi/argv-int64", + "@stdlib/napi/argv-strided-float64array", + "@stdlib/napi/create-double" + ] + }, + { + "task": "benchmark", + "os": "win", + "blas": "", + "wasm": false, + "src": [ + "./src/gdot.c", + "./src/gdot_ndarray.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset" + ] + }, + { + "task": "examples", + "os": "win", + "blas": "", + "wasm": false, + "src": [ + "./src/gdot.c", + "./src/gdot_ndarray.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset" + ] + }, + + { + "task": "build", + "os": "", + "blas": "", + "wasm": true, + "src": [ + "./src/gdot.c", + "./src/gdot_ndarray.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset" + ] + } + ] +} diff --git a/lib/node_modules/@stdlib/blas/base/gdot/package.json b/lib/node_modules/@stdlib/blas/base/gdot/package.json index c1c61334c44e..30402ccc1e60 100644 --- a/lib/node_modules/@stdlib/blas/base/gdot/package.json +++ b/lib/node_modules/@stdlib/blas/base/gdot/package.json @@ -14,11 +14,15 @@ } ], "main": "./lib", + "browser": "./lib/main.js", + "gypfile": true, "directories": { "benchmark": "./benchmark", "doc": "./docs", "example": "./examples", + "include": "./include", "lib": "./lib", + "src": "./src", "test": "./test" }, "types": "./docs/types", diff --git a/lib/node_modules/@stdlib/blas/base/gdot/src/Makefile b/lib/node_modules/@stdlib/blas/base/gdot/src/Makefile new file mode 100644 index 000000000000..bcf18aa46655 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/gdot/src/Makefile @@ -0,0 +1,70 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2024 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + + +# RULES # + +#/ +# Removes generated files for building an add-on. +# +# @example +# make clean-addon +#/ +clean-addon: + $(QUIET) -rm -f *.o *.node + +.PHONY: clean-addon + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: clean-addon + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/blas/base/gdot/src/addon.c b/lib/node_modules/@stdlib/blas/base/gdot/src/addon.c new file mode 100644 index 000000000000..d0521c0ee0d5 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/gdot/src/addon.c @@ -0,0 +1,66 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/blas/base/gdot.h" +#include "stdlib/blas/base/shared.h" +#include "stdlib/napi/export.h" +#include "stdlib/napi/argv.h" +#include "stdlib/napi/argv_int64.h" +#include "stdlib/napi/argv_strided_float64array.h" +#include "stdlib/napi/create_double.h" +#include + +/** +* Receives JavaScript callback invocation data. +* +* @param env environment under which the function is invoked +* @param info callback data +* @return Node-API value +*/ +static napi_value addon( napi_env env, napi_callback_info info ) { + STDLIB_NAPI_ARGV( env, info, argv, argc, 5 ); + STDLIB_NAPI_ARGV_INT64( env, N, argv, 0 ); + STDLIB_NAPI_ARGV_INT64( env, strideX, argv, 2 ); + STDLIB_NAPI_ARGV_INT64( env, strideY, argv, 4 ); + STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, X, N, strideX, argv, 1 ); + STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, Y, N, strideY, argv, 3 ); + STDLIB_NAPI_CREATE_DOUBLE( env, API_SUFFIX(c_gdot)( N, X, strideX, Y, strideY ), v ); + return v; +} + +/** +* Receives JavaScript callback invocation data. +* +* @param env environment under which the function is invoked +* @param info callback data +* @return Node-API value +*/ +static napi_value addon_method( napi_env env, napi_callback_info info ) { + STDLIB_NAPI_ARGV( env, info, argv, argc, 7 ); + STDLIB_NAPI_ARGV_INT64( env, N, argv, 0 ); + STDLIB_NAPI_ARGV_INT64( env, strideX, argv, 2 ); + STDLIB_NAPI_ARGV_INT64( env, offsetX, argv, 3 ); + STDLIB_NAPI_ARGV_INT64( env, strideY, argv, 5 ); + STDLIB_NAPI_ARGV_INT64( env, offsetY, argv, 6 ); + STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, X, N, strideX, argv, 1 ); + STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, Y, N, strideY, argv, 4 ); + STDLIB_NAPI_CREATE_DOUBLE( env, API_SUFFIX(c_gdot_ndarray)( N, X, strideX, offsetX, Y, strideY, offsetY ), v ); + return v; +} + +STDLIB_NAPI_MODULE_EXPORT_FCN_WITH_METHOD( addon, "ndarray", addon_method ) diff --git a/lib/node_modules/@stdlib/blas/base/gdot/src/gdot.c b/lib/node_modules/@stdlib/blas/base/gdot/src/gdot.c new file mode 100644 index 000000000000..e0579303d055 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/gdot/src/gdot.c @@ -0,0 +1,79 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/blas/base/gdot.h" + +static const CBLAS_INT M = 5; + +/** +* Computes the dot product of vectors `x` and `y`. +* +* @param N number of indexed elements +* @param X first input array +* @param strideX X stride length +* @param Y second input array +* @param strideY Y stride length +* @return dot product +*/ +double API_SUFFIX(c_gdot)( const CBLAS_INT N, const double *X, const CBLAS_INT strideX, const double *Y, const CBLAS_INT strideY ) { + double dot; + CBLAS_INT ix; + CBLAS_INT iy; + CBLAS_INT m; + CBLAS_INT i; + + dot = 0.0; + if ( N <= 0 ) { + return dot; + } + // Use unrolled loops if both strides are equal to `1`... + if ( strideX == 1 && strideY == 1) { + m = N % M; + + // If we have a remainder, run a clean-up loop... + if ( m > 0 ) { + for ( i = 0; i < m; i++ ) { + dot += X[ i ] * Y[ i ]; + } + } + if ( N < M ) { + return dot; + } + for ( i = m; i < N; i += M ) { + dot += ( X[ i ]*Y[ i ] ) + ( X[ i+1 ]*Y[ i+1 ] ) + ( X[ i+2 ]*Y[ i+2 ] ) + ( X[ i+3 ]*Y[ i+3 ] ) + ( X[ i+4 ]*Y[ i+4 ] ); // eslint-disable-line max-len + } + return dot; + } + if ( strideX < 0 ) { + ix = ( 1-N ) * strideX; + } else { + ix = 0; + } + if ( strideY < 0 ) { + iy = ( 1-N ) * strideY; + } else { + iy = 0; + } + for ( i = 0; i < N; i++ ) { + dot += ( X[ ix ] * Y[ iy ] ); + ix += strideX; + iy += strideY; + } + return dot; +} + diff --git a/lib/node_modules/@stdlib/blas/base/gdot/src/gdot_cblas.c b/lib/node_modules/@stdlib/blas/base/gdot/src/gdot_cblas.c new file mode 100644 index 000000000000..00fd15faabfe --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/gdot/src/gdot_cblas.c @@ -0,0 +1,54 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/blas/base/gdot.h" +#include "stdlib/blas/base/gdot_cblas.h" +#include "stdlib/blas/base/shared.h" +#include "stdlib/strided/base/min_view_buffer_index.h" + +/** +* Computes the dot product of vectors `x` and `y`. +* +* @param N number of indexed elements +* @param X first input array +* @param strideX X stride length +* @param Y second input array +* @param strideY Y stride length +* @return dot product +*/ +double API_SUFFIX(c_gdot)( const CBLAS_INT N, const double *X, const CBLAS_INT strideX, const double *Y, const CBLAS_INT strideY ) { + return API_SUFFIX(cblas_gdot)( N, X, strideX, Y, strideY ); +} + +/** +* Computes the dot product of `x` and `y` using alternative indexing semantics. +* +* @param N number of indexed elements +* @param X first input array +* @param strideX X stride length +* @param offsetX starting index for X +* @param Y second input array +* @param strideY Y stride length +* @param offsetY starting index for Y +* @return dot product +*/ +double API_SUFFIX(c_gdot_ndarray)( const CBLAS_INT N, const double *X, const CBLAS_INT strideX, const CBLAS_INT offsetX, const double *Y, const CBLAS_INT strideY, const CBLAS_INT offsetY ) { + X += stdlib_strided_min_view_buffer_index( N, strideX, offsetX ); // adjust array pointer + Y += stdlib_strided_min_view_buffer_index( N, strideY, offsetY ); // adjust array pointer + return API_SUFFIX(cblas_gdot_ndarray)( N, X, strideX, Y, strideY ); +} diff --git a/lib/node_modules/@stdlib/blas/base/gdot/src/gdot_ndarray.c b/lib/node_modules/@stdlib/blas/base/gdot/src/gdot_ndarray.c new file mode 100644 index 000000000000..3d37ad7e8f2a --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/gdot/src/gdot_ndarray.c @@ -0,0 +1,78 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/blas/base/gdot.h" +#include "stdlib/blas/base/shared.h" + +static const CBLAS_INT M = 5; + +/** +* Computes the dot product of `x` and `y` using alternative indexing semantics. +* +* @param N number of indexed elements +* @param X first array +* @param strideX X stride length +* @param offsetX starting index for X +* @param Y second array +* @param strideY Y stride length +* @param offsetY starting index for Y +* @return dot product +*/ +double API_SUFFIX(c_gdot_ndarray)( const CBLAS_INT N, const double *X, const CBLAS_INT strideX, const CBLAS_INT offsetX, const double *Y, const CBLAS_INT strideY, const CBLAS_INT offsetY ) { + double dot; + CBLAS_INT ix; + CBLAS_INT iy; + CBLAS_INT m; + CBLAS_INT i; + + dot = 0.0; + if ( N <= 0 ) { + return dot; + } + ix = offsetX; + iy = offsetY; + + // If both strides are equal to `1`, use unrolled loops... + if ( strideX == 1 && strideY == 1 ) { + m = N % M; + + // If we have a remainder, do a clean-up loop... + if ( m > 0 ) { + for ( i = 0; i < m; i++ ) { + dot += ( X[ ix ] * Y[ iy ] ); + ix += 1; + iy += 1; + } + } + if ( N < M ) { + return dot; + } + for ( i = m; i < N; i += M ) { + dot += ( X[ ix ]*Y[ iy ] ) + ( X[ ix+1 ]*Y[ iy+1 ] ) + ( X[ ix+2 ]*Y[ iy+2 ] ) + ( X[ ix+3 ]*Y[ iy+3 ] ) + ( X[ ix+4 ]*Y[ iy+4 ] ); // eslint-disable-line max-len + ix += M; + iy += M; + } + return dot; + } + for ( i = 0; i < N; i++ ) { + dot += X[ ix ] * Y[ iy ]; + ix += strideX; + iy += strideY; + } + return dot; +} diff --git a/lib/node_modules/@stdlib/blas/base/gdot/test/test.main.js b/lib/node_modules/@stdlib/blas/base/gdot/test/test.gdot.js similarity index 99% rename from lib/node_modules/@stdlib/blas/base/gdot/test/test.main.js rename to lib/node_modules/@stdlib/blas/base/gdot/test/test.gdot.js index 3e9dcd7d2d6f..ee665de7ebc9 100644 --- a/lib/node_modules/@stdlib/blas/base/gdot/test/test.main.js +++ b/lib/node_modules/@stdlib/blas/base/gdot/test/test.gdot.js @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2020 The Stdlib Authors. +* Copyright (c) 2024 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. diff --git a/lib/node_modules/@stdlib/blas/base/gdot/test/test.gdot.native.js b/lib/node_modules/@stdlib/blas/base/gdot/test/test.gdot.native.js new file mode 100644 index 000000000000..71eb7710f8fa --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/gdot/test/test.gdot.native.js @@ -0,0 +1,251 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var Float64Array = require( '@stdlib/array/float64' ); +var tryRequire = require( '@stdlib/utils/try-require' ); + + +// VARIABLES // + +var gdot = tryRequire( resolve( __dirname, './../lib/caxpy.native.js' ) ); +var opts = { + 'skip': ( gdot instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof gdot, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 5', opts, function test( t ) { + t.strictEqual( gdot.length, 5, 'returns expected value' ); + t.end(); +}); + +tape( 'the function calculates the dot product of arrays `x` and `y`', opts, function test( t ) { + var dot; + var x; + var y; + + x = [ 4.0, 2.0, -3.0, 5.0, -1.0, 2.0, -5.0, 6.0 ]; + y = [ 2.0, 6.0, -1.0, -4.0, 8.0, 8.0, 2.0, -3.0 ]; + + dot = gdot( x.length, x, 1, y, 1 ); + t.strictEqual( dot, -17.0, 'returns expected value' ); + + // Short datasets: + x = [ 3.0, -4.0, 1.0 ]; + y = [ 1.0, -2.0, 3.0 ]; + + dot = gdot( x.length, x, 1, y, 1 ); + t.strictEqual( dot, 14.0, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `0`', opts, function test( t ) { + var dot; + var x; + var y; + + x = [ 3.0, -4.0, 1.0 ]; + y = [ 1.0, -2.0, 3.0 ]; + + dot = gdot( 0, x, 1, y, 1 ); + t.strictEqual( dot, 0.0, 'returns expected value' ); + + dot = gdot( -4, x, 1, y, 1 ); + t.strictEqual( dot, 0.0, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports an `x` stride', opts, function test( t ) { + var dot; + var x; + var y; + + x = [ + 2.0, // 0 + -3.0, + -5.0, // 1 + 7.0, + 6.0 // 2 + ]; + y = [ + 8.0, // 0 + 2.0, // 1 + -3.0, // 2 + 3.0, + -4.0, + 1.0 + ]; + + dot = gdot( 3, x, 2, y, 1 ); + t.strictEqual( dot, -12.0, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a `y` stride', opts, function test( t ) { + var dot; + var x; + var y; + + x = [ + 2.0, // 0 + -3.0, // 1 + -5.0, // 2 + 7.0, + 6.0 + ]; + y = [ + 8.0, // 0 + 2.0, + -3.0, // 1 + 3.0, + -4.0, // 2 + 1.0 + ]; + + dot = gdot( 3, x, 1, y, 2 ); + t.strictEqual( dot, 45.0, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports negative strides', opts, function test( t ) { + var dot; + var x; + var y; + + x = [ + 1.0, // 2 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 0 + ]; + y = [ + 6.0, // 2 + 7.0, // 1 + 8.0, // 0 + 9.0, + 10.0 + ]; + + dot = gdot( 3, x, -2, y, -1 ); + t.strictEqual( dot, 67.0, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports complex access patterns', opts, function test( t ) { + var dot; + var x; + var y; + + x = [ + 1.0, // 0 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 2 + ]; + y = [ + 6.0, // 2 + 7.0, // 1 + 8.0, // 0 + 9.0, + 10.0 + ]; + + dot = gdot( 3, x, 2, y, -1 ); + t.strictEqual( dot, 59.0, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports view offsets', opts, function test( t ) { + var dot; + var x0; + var y0; + var x1; + var y1; + + x0 = new Float64Array([ + 1.0, + 2.0, // 0 + 3.0, + 4.0, // 1 + 5.0, + 6.0 // 2 + ]); + y0 = new Float64Array([ + 6.0, + 7.0, + 8.0, + 9.0, // 0 + 10.0, // 1 + 11.0 // 2 + ]); + + x1 = new Float64Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); + y1 = new Float64Array( y0.buffer, y0.BYTES_PER_ELEMENT*3 ); + + dot = gdot( 3, x1, 2, y1, 1 ); + t.strictEqual( dot, 124.0, 'returns expected value' ); + t.end(); +}); + +tape( 'if both strides are equal to `1`, the function efficiently calculates the dot product', opts, function test( t ) { + var expected; + var dot; + var x; + var y; + var i; + + expected = 0.0; + x = new Array( 100 ); + y = new Array( x.length ); + for ( i = 0; i < x.length; i++ ) { + x[ i ] = i; + y[ i ] = x.length - 1; + expected += x[ i ] * y[ i ]; + } + dot = gdot( x.length, x, 1, y, 1 ); + t.strictEqual( dot, expected, 'returns expected value' ); + + expected = 0.0; + x = new Array( 240 ); + y = new Array( x.length ); + for ( i = 0; i < x.length; i++ ) { + x[ i ] = i; + y[ i ] = x.length - 1; + expected += x[ i ] * y[ i ]; + } + dot = gdot( x.length, x, 1, y, 1 ); + t.strictEqual( dot, expected, 'returns expected value' ); + + t.end(); +}); diff --git a/lib/node_modules/@stdlib/blas/base/gdot/test/test.ndarray.native.js b/lib/node_modules/@stdlib/blas/base/gdot/test/test.ndarray.native.js new file mode 100644 index 000000000000..43fb8042f358 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/base/gdot/test/test.ndarray.native.js @@ -0,0 +1,275 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var Float64Array = require( '@stdlib/array/float64' ); +var tryRequire = require( '@stdlib/utils/try-require' ); + + +// VARIABLES // + +var gdot = tryRequire( resolve( __dirname, './../lib/caxpy.native.js' ) ); +var opts = { + 'skip': ( gdot instanceof Error ) +}; + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof gdot, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 7', opts, function test( t ) { + t.strictEqual( gdot.length, 7, 'returns expected value' ); + t.end(); +}); + +tape( 'the function calculates the dot product of arrays `x` and `y`', opts, function test( t ) { + var dot; + var x; + var y; + + x = [ 4.0, 2.0, -3.0, 5.0, -1.0, 2.0, -5.0, 6.0 ]; + y = [ 2.0, 6.0, -1.0, -4.0, 8.0, 8.0, 2.0, -3.0 ]; + + dot = gdot( x.length, x, 1, 0, y, 1, 0 ); + t.strictEqual( dot, -17.0, 'returns expected value' ); + + // Short datasets: + x = [ 3.0, -4.0, 1.0 ]; + y = [ 1.0, -2.0, 3.0 ]; + + dot = gdot( x.length, x, 1, 0, y, 1, 0 ); + t.strictEqual( dot, 14.0, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `0`', opts, function test( t ) { + var dot; + var x; + var y; + + x = [ 3.0, -4.0, 1.0 ]; + y = [ 1.0, -2.0, 3.0 ]; + + dot = gdot( 0, x, 1, 0, y, 1, 0 ); + t.strictEqual( dot, 0.0, 'returns expected value' ); + + dot = gdot( -4, x, 1, 0, y, 1, 0 ); + t.strictEqual( dot, 0.0, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports an `x` stride', opts, function test( t ) { + var dot; + var x; + var y; + + x = [ + 2.0, // 0 + -3.0, + -5.0, // 1 + 7.0, + 6.0 // 2 + ]; + y = [ + 8.0, // 0 + 2.0, // 1 + -3.0, // 2 + 3.0, + -4.0, + 1.0 + ]; + + dot = gdot( 3, x, 2, 0, y, 1, 0 ); + t.strictEqual( dot, -12.0, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports an `x` offset', opts, function test( t ) { + var dot; + var x; + var y; + + x = [ + 1.0, + 2.0, // 0 + 3.0, + 4.0, // 1 + 5.0, + 6.0 // 2 + ]; + y = [ + 6.0, // 0 + 7.0, // 1 + 8.0, // 2 + 9.0, + 10.0, + 11.0 + ]; + + dot = gdot( 3, x, 2, 1, y, 1, 0 ); + t.strictEqual( dot, 88.0, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a `y` stride', opts, function test( t ) { + var dot; + var x; + var y; + + x = [ + 2.0, // 0 + -3.0, // 1 + -5.0, // 2 + 7.0, + 6.0 + ]; + y = [ + 8.0, // 0 + 2.0, + -3.0, // 1 + 3.0, + -4.0, // 2 + 1.0 + ]; + + dot = gdot( 3, x, 1, 0, y, 2, 0 ); + t.strictEqual( dot, 45.0, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a `y` offset', opts, function test( t ) { + var dot; + var x; + var y; + + x = [ + 1.0, // 0 + 2.0, + 3.0, // 1 + 4.0, + 5.0, // 2 + 6.0 + ]; + y = [ + 6.0, + 7.0, + 8.0, + 9.0, // 0 + 10.0, // 1 + 11.0 // 2 + ]; + + dot = gdot( 3, x, 2, 0, y, 1, 3 ); + t.strictEqual( dot, 94.0, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports negative strides', opts, function test( t ) { + var dot; + var x; + var y; + + x = [ + 1.0, // 2 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 0 + ]; + y = [ + 6.0, // 2 + 7.0, // 1 + 8.0, // 0 + 9.0, + 10.0 + ]; + + dot = gdot( 3, x, -2, x.length-1, y, -1, 2 ); + t.strictEqual( dot, 67.0, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports complex access patterns', opts, function test( t ) { + var dot; + var x; + var y; + + x = [ + 1.0, // 0 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 2 + ]; + y = [ + 6.0, + 7.0, // 2 + 8.0, // 1 + 9.0, // 0 + 10.0 + ]; + + dot = gdot( 3, x, 2, 0, y, -1, y.length-2 ); + t.strictEqual( dot, 68.0, 'returns expected value' ); + t.end(); +}); + +tape( 'if both strides are equal to `1`, the function efficiently calculates the dot product', opts, function test( t ) { + var expected; + var dot; + var x; + var y; + var i; + + expected = 0.0; + x = new Float64Array( 100 ); + y = new Float64Array( x.length ); + for ( i = 0; i < x.length; i++ ) { + x[ i ] = i; + y[ i ] = x.length - i; + expected += x[ i ] * y[ i ]; + } + + dot = gdot( x.length, x, 1, 0, y, 1, 0 ); + + t.strictEqual( dot, expected, 'returns expected value' ); + + expected = 0.0; + x = new Float64Array( 240 ); + y = new Float64Array( x.length ); + for ( i = 0; i < x.length; i++ ) { + x[ i ] = i; + y[ i ] = x.length - i; + expected += x[ i ] * y[ i ]; + } + + dot = gdot( x.length, x, 1, 0, y, 1, 0 ); + + t.strictEqual( dot, expected, 'returns expected value' ); + t.end(); +});