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@stdlib/math-base-special-cos
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Compute the cosine of a number.
npm install @stdlib/math-base-special-cos
var cos = require( '@stdlib/math-base-special-cos' );
Computes the cosine of a number
(in radians).
var v = cos( 0.0 );
// returns 1.0
v = cos( 3.141592653589793/4.0 );
// returns ~0.707
v = cos( -3.141592653589793/6.0 );
// returns ~0.866
v = cos( NaN );
// returns NaN
var linspace = require( '@stdlib/array-base-linspace' );
var TWO_PI = require( '@stdlib/constants-float64-two-pi' );
var cos = require( '@stdlib/math-base-special-cos' );
var x = linspace( 0.0, TWO_PI, 100 );
var i;
for ( i = 0; i < x.length; i++ ) {
console.log( cos( x[ i ] ) );
}
#include "stdlib/math/base/special/cos.h"
Computes the cosine of a number
(in radians).
double out = stdlib_base_cos( 0.0 );
// returns 1.0
out = stdlib_base_cos( 3.141592653589793 / 4.0 );
// returns ~-0.707
The function accepts the following arguments:
[in] double
input value.double stdlib_base_cos( const double x );
#include "stdlib/math/base/special/cos.h"
#include <stdio.h>
int main( void ) {
const double x[] = { 0.0, 0.523, 0.785, 1.047, 3.14 };
double y;
int i;
for ( i = 0; i < 5; i++ ) {
y = stdlib_base_cos( x[ i ] );
printf( "cos(%lf) = %lf\n", x[ i ], y );
}
}
@stdlib/math-base/special/cospi
: compute cos(πx).@stdlib/math-base/special/cosm1
: compute the cosine of a number minus one.@stdlib/math-base/special/sin
: compute the sine of a number.@stdlib/math-base/special/tan
: evaluate the tangent of a number.This package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.
For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.
Copyright © 2016-2024. The Stdlib Authors.
0.3.0 (2024-07-28)
<section class="features">343da6f
- add C implementation for math/base/special/cos
272ae7a
- docs: remove comment (by Athan Reines)55ec8ed
- docs: remove comment (by Athan Reines)2777e4b
- bench: resolve lint errors in benchmarks (by Athan Reines)11c882d
- chore: update package meta data (#2379) (by stdlib-bot, Athan Reines)ced30b0
- refactor: use constant packages and remove unused include (#2355) (by Gunj Joshi)343da6f
- feat: add C implementation for math/base/special/cos
(by Gunj Joshi, Philipp Burckhardt)41d41e9
- test: include trailing newlines in Julia-generated JSON fixtures (by Philipp Burckhardt)9ed7d0e
- chore: add missing trailing newlines (by Philipp Burckhardt)A total of 4 people contributed to this release. Thank you to the following contributors:
FAQs
Compute the cosine of a number.
The npm package @stdlib/math-base-special-cos receives a total of 46,063 weekly downloads. As such, @stdlib/math-base-special-cos popularity was classified as popular.
We found that @stdlib/math-base-special-cos demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 4 open source maintainers collaborating on the project.
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