bench: move PRNG out of loop and update Makefiles

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: na
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: na
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: anandkaranubc

lib/node_modules/@stdlib/math/base/special/binomcoeff/benchmark/c/native/Makefile

@@ -82,21 +82,21 @@ LIBRARIES ?=
 LIBPATH ?=
 
 # List of C targets:
-c_targets := benchmark.out
+c_targets := TODO.out
 
 
 # RULES #
 
 #/
-# Compiles source files.
+# Compiles C 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} SOURCE_FILES - list of C source files
+# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop`)
+# @param {string} [LIBRARIES] - list of libraries (e.g., `-lpthread -lblas`)
 # @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`)
+# @param {string} [C_COMPILER] - C compiler
+# @param {string} [CFLAGS] - C compiler flags
+# @param {(string|void)} [fPIC] - compiler flag indicating whether to generate position independent code
 #
 # @example
 # make
@@ -112,13 +112,13 @@ all: $(c_targets)
 # 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`)
+# @param {string} SOURCE_FILES - list of C source files
+# @param {(string|void)} INCLUDE - list of includes (e.g., `-I /foo/bar -I /beep/boop`)
+# @param {(string|void)} LIBRARIES - list of libraries (e.g., `-lpthread -lblas`)
+# @param {(string|void)} LIBPATH - list of library paths (e.g., `-L /foo/bar -L /beep/boop`)
+# @param {string} CC - C compiler
+# @param {string} CFLAGS - C compiler flags
+# @param {(string|void)} fPIC - compiler flag indicating whether to generate position independent code
 #/
 $(c_targets): %.out: %.c
 	$(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES)

lib/node_modules/@stdlib/math/base/special/binomcoeff/benchmark/cpp/boost/Makefile

@@ -16,17 +16,18 @@
 # limitations under the License.
 #/
 
-
 # VARIABLES #
 
 ifndef VERBOSE
 	QUIET := @
+else
+	QUIET :=
 endif
 
 # Specify the path to Boost:
 BOOST ?=
 
-# Determine the OS:
+# Determine the OS ([1][1], [2][2]).
 #
 # [1]: https://en.wikipedia.org/wiki/Uname#Examples
 # [2]: http://stackoverflow.com/a/27776822/2225624
@@ -39,6 +40,10 @@ ifneq (, $(findstring MSYS,$(OS)))
 else
 ifneq (, $(findstring CYGWIN,$(OS)))
 	OS := WINNT
+else
+ifneq (, $(findstring Windows_NT,$(OS)))
+	OS := WINNT
+endif
 endif
 endif
 endif
@@ -57,7 +62,7 @@ CXXFLAGS ?= \
 	-Wall \
 	-pedantic
 
-# Determine whether to generate [position independent code][1]:
+# 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
@@ -71,39 +76,55 @@ endif
 cxx_targets := benchmark.out
 
 
-# TARGETS #
+# RULES #
 
-# Default target.
+#/
+# Compiles C++ source files.
 #
-# This target is the default target.
-
+# @param {string} BOOST - Boost include directory
+# @param {string} [CXX_COMPILER] - C++ compiler
+# @param {string} [CXXFLAGS] - C++ compiler flags
+# @param {(string|void)} [fPIC] - compiler flag indicating whether to generate position independent code
+#
+# @example
+# make
+#
+# @example
+# make all
+#/
 all: $(cxx_targets)
 
 .PHONY: all
 
-
-# Compile C++ source.
+#/
+# Compiles C++ source files.
 #
-# This target compiles C++ source files.
-
+# @private
+# @param {string} CXX - C++ compiler
+# @param {string} CXXFLAGS - C++ compiler flags
+# @param {(string|void)} fPIC - compiler flag indicating whether to generate position independent code
+# @param {string} BOOST - Boost include directory
+#/
 $(cxx_targets): %.out: %.cpp $(BOOST)
 	$(QUIET) $(CXX) $(CXXFLAGS) $(fPIC) -I $(BOOST) -o $@ $< -lm
 
-
-# Run a benchmark.
+#/
+# Runs compiled benchmarks.
 #
-# This target runs a benchmark.
-
+# @example
+# make run
+#/
 run: $(cxx_targets)
 	$(QUIET) ./$<
 
 .PHONY: run
 
-
-# Perform clean-up.
+#/
+# Removes generated files.
 #
-# This target removes generated files.
-
+# @example
+# make clean
+#/
 clean:
 	$(QUIET) -rm -f *.o *.out
 

lib/node_modules/@stdlib/math/base/special/binomcoeff/benchmark/cpp/boost/benchmark.cpp

@@ -22,10 +22,10 @@
 #include <time.h>
 #include <sys/time.h>
 #include <boost/random/mersenne_twister.hpp>
-#include <boost/random/uniform_real_distribution.hpp>
+#include <boost/random/uniform_int_distribution.hpp>
 #include <boost/math/special_functions/binomial.hpp>
 
-using boost::random::uniform_real_distribution;
+using boost::random::uniform_int_distribution;
 using boost::random::mt19937;
 
 #define NAME "binomcoeff"
@@ -86,24 +86,27 @@ double tic() {
 */
 double benchmark() {
 	double elapsed;
+	int x[ 100 ];
+	int y[ 100 ];
 	double t;
-	float x;
-	float y;
 	float z;
 	int i;
 
 	// Define a new pseudorandom number generator:
 	mt19937 rng;
 
-	// Define a uniform distribution for generating pseudorandom numbers as "floats" between a minimum value (inclusive) and a maximum value (exclusive):
-	uniform_real_distribution<> randu1( 20.0f, 70.0f );
-	uniform_real_distribution<> randu2( 0.0f, 20.0f );
+	// Define a uniform distribution for generating pseudorandom numbers as "ints" between a minimum value and a maximum value, both inclusive:
+	uniform_int_distribution<> randu1( 20, 70 );
+	uniform_int_distribution<> randu2( 0, 20 );
+
+	for( i = 0; i < 100; i++ ) {
+		x[ i ] = randu1( rng );
+		y[ i ] = randu2( rng );
+	}
 
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		x = (int)randu1( rng );
-		y = (int)randu2( rng );
-		z = boost::math::binomial_coefficient<float>( x, y );
+		z = boost::math::binomial_coefficient<float>( x[ i%100 ], y[ i%100 ] );
 		if ( z != z ) {
 			printf( "should not return NaN\n" );
 			break;