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feat: add C implementation
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‎lib/node_modules/@stdlib/math/base/special/sind/include/stdlib/math/base/special/sind.h‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2025 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_SIND_H
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#define STDLIB_MATH_BASE_SPECIAL_SIND_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 sine of an angle measured in degrees.
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*/
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double stdlib_base_sind( const double 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_SIND_H

‎lib/node_modules/@stdlib/math/base/special/sind/lib/native.js‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2025 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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'use strict';
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// MODULES //
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var addon = require( './../src/addon.node' );
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// MAIN //
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/**
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* Computes the sine of an angle measured in degrees.
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*
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* @private
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* @param {number} x - input value (in degrees)
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* @returns {number} sine
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*
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* @example
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* var v = sind( 0.0 );
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* // returns 0.0
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*
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* @example
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* var v = sind( 90.0 );
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* // returns 1.0
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*
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* @example
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* var v = sind( 30.0 );
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* // returns ~0.5
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*
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* @example
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* var v = sind( NaN );
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* // returns NaN
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*/
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function sind( x ) {
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return addon( x );
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}
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// EXPORTS //
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module.exports = sind;

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

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#/
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# @license Apache-2.0
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#
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# Copyright (c) 2025 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

‎lib/node_modules/@stdlib/math/base/special/sind/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) 2025 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/sind.h"
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#include "stdlib/math/base/napi/unary.h"
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// cppcheck-suppress shadowFunction
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STDLIB_MATH_BASE_NAPI_MODULE_D_D( stdlib_base_sind )

‎lib/node_modules/@stdlib/math/base/special/sind/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) 2025 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/sind.h"
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#include "stdlib/math/base/special/sin.h"
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#include "stdlib/math/base/special/deg2rad.h"
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#include "stdlib/math/base/assert/is_integer.h"
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#include "stdlib/math/base/assert/is_infinite.h"
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/**
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* Computes the sine of an angle measured in degrees.
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*
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* @param x input value (in degrees)
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* @return sine
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*
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* @example
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* double y = stdlib_base_sind( 0.0 );
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* // returns 0.0
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*/
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double stdlib_base_sind( const double x ) {
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double xRad;
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if ( stdlib_base_is_infinite( x ) ) {
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return 0.0 / 0.0; // NaN
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}
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if ( stdlib_base_is_integer( x / 180.0 ) ) {
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return 0.0;
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}
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xRad = stdlib_base_deg2rad( x );
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return stdlib_base_sin( xRad );
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}

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