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feat: basic c files added
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‎lib/node_modules/@stdlib/math/base/special/atan2f/include/stdlib/math/base/special/atan2f.h‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2024 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef STDLIB_MATH_BASE_SPECIAL_ATAN2F_H
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#define STDLIB_MATH_BASE_SPECIAL_ATAN2F_H
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/*
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* If C++, prevent name mangling so that the compiler emits a binary file having undecorated names, thus mirroring the behavior of a C compiler.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Computes the angle in the plane (in radians) between the positive x-axis and the ray from `(0,0)` to the point `(x,y)`.
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*/
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float stdlib_base_atan2f( const float y, const float x );
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#ifdef __cplusplus
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}
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#endif
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#endif // !STDLIB_MATH_BASE_SPECIAL_ATAN2F_H

‎lib/node_modules/@stdlib/math/base/special/atan2f/src/Makefile‎

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#/
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# @license Apache-2.0
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#
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# Copyright (c) 2024 The Stdlib Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#/
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# VARIABLES #
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ifndef VERBOSE
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QUIET := @
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else
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QUIET :=
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endif
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# Determine the OS ([1][1], [2][2]).
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#
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# [1]: https://en.wikipedia.org/wiki/Uname#Examples
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# [2]: http://stackoverflow.com/a/27776822/2225624
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OS ?= $(shell uname)
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ifneq (, $(findstring MINGW,$(OS)))
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OS := WINNT
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else
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ifneq (, $(findstring MSYS,$(OS)))
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OS := WINNT
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else
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ifneq (, $(findstring CYGWIN,$(OS)))
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OS := WINNT
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else
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ifneq (, $(findstring Windows_NT,$(OS)))
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OS := WINNT
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endif
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endif
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endif
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endif
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# RULES #
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#/
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# Removes generated files for building an add-on.
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#
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# @example
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# make clean-addon
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#/
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clean-addon:
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$(QUIET) -rm -f *.o *.node
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.PHONY: clean-addon
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#/
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# Removes generated files.
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#
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# @example
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# make clean
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#/
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clean: clean-addon
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.PHONY: clean
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‎lib/node_modules/@stdlib/math/base/special/atan2f/src/addon.c‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2024 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "stdlib/math/base/special/atan2f.h"
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#include "stdlib/math/base/napi/binary.h"
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// cppcheck-suppress shadowFunction
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STDLIB_MATH_BASE_NAPI_MODULE_DD_D( stdlib_base_atan2f )

‎lib/node_modules/@stdlib/math/base/special/atan2f/src/main.c‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2024 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*
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* ## Notice
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*
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* The original C code, long comment, copyright, license, and constants are from [Cephes]{@link http://www.netlib.org/cephes}. The implementation follows the original, but has been modified according to project conventions.
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*
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* ```text
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* Copyright 1984, 1995, 2000 by Stephen L. Moshier
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*
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* Some software in this archive may be from the book _Methods and Programs for Mathematical Functions_ (Prentice-Hall or Simon & Schuster International, 1989) or from the Cephes Mathematical Library, a commercial product. In either event, it is copyrighted by the author. What you see here may be used freely but it comes with no support or guarantee.
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*
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* Stephen L. Moshier
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* [email protected]
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* ```
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*/
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#include "stdlib/math/base/assert/is_infinite.h"
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#include "stdlib/math/base/special/copysign.h"
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#include "stdlib/number/float64/base/signbit.h"
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#include "stdlib/math/base/assert/is_nanf.h"
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#include "stdlib/math/base/special/atan2.h"
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#include "stdlib/constants/float64/pinf.h"
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#include "stdlib/constants/float64/pi.h"
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#include <stdint.h>
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// MAIN //
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/**
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* Computes the angle in the plane (in radians) between the positive x-axis and the ray from `(0,0)` to the point `(x,y)`.
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*
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* @param y `y` coordinate
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* @param x `x` coordinate
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* @return angle (in radians)
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*
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* @example
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* float v = stdlib_base_atan2f( 2.0, 2.0 ); // => stdlib_base_atanf(1.0f)
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* // returns ~0.785f
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*
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* @example
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* float v = stdlib_base_atan2f( 6.0, 2.0 ); // => stdlib_base_atanf(3.0f)
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* // returns ~1.249f
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*
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* @example
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* float v = stdlib_base_atan2f( -1.0, -1.0f ); // => stdlib_base_atanf(1.0f) - π
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* // returns ~-2.356f
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*
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* @example
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* float v = stdlib_base_atan2f( 3.0f, 0.0f ); // => π/2
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* // returns ~1.571ff
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* @example
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* float v = stdlib_base_atan2f( -2.0f, 0.0f ); // => -π/2
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* // returns ~-1.571f
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*
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* @example
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* float v = stdlib_base_atan2f( 0.0f, 0.0f );
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* // returns 0.0f
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*
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* @example
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* float v = stdlib_base_atan2f( 3.0f, NaN );
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* // returns NaN
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*
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* @example
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* float v = stdlib_base_atan2f( NaN, 2.0f );
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* // returns NaN
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*/
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float stdlib_base_atan2f( const float y, const float x ) {
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float q;
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if ( stdlib_base_is_nanf( x ) || stdlib_base_is_nanf( y ) ) {
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return 0.0f / 0.0f; // float
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}
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if ( stdlib_base_is_infinite( x ) ) {
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if ( x == STDLIB_CONSTANT_FLOAT64_PINF ) {
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if ( stdlib_base_is_infinite( y ) ) {
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return stdlib_base_copysign( STDLIB_CONSTANT_FLOAT64_PI / 4.0f, y );
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}
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return stdlib_base_copysign( 0.0f, y );
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}
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// Case: x is -Infinity
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if ( stdlib_base_is_infinite( y ) ) {
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return stdlib_base_copysign( 3.0f * STDLIB_CONSTANT_FLOAT64_PI / 4.0f, y );
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}
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return stdlib_base_copysign( STDLIB_CONSTANT_FLOAT64_PI, y );
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}
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if ( stdlib_base_is_infinite( y ) ) {
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return stdlib_base_copysign( STDLIB_CONSTANT_FLOAT64_PI / 2.0f, y );
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}
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if ( y == 0.0f ) {
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if ( x >= 0.0f && !stdlib_base_float64_signbit( x ) ) {
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return stdlib_base_copysign( 0.0, y );
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}
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return stdlib_base_copysign( STDLIB_CONSTANT_FLOAT64_PI, y );
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}
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if ( x == 0.0f ) {
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return stdlib_base_copysign( STDLIB_CONSTANT_FLOAT64_PI / 2.0f, y );
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}
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q = stdlib_base_atan2( y / x );
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if ( x < 0.0f ) {
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if ( q <= 0.0f ) {
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return q + STDLIB_CONSTANT_FLOAT64_PI;
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}
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return q - STDLIB_CONSTANT_FLOAT64_PI;
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}
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return q;
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}

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