Multiply two double-precision floating-point numbers.
APACHE-2.0 License
Multiply two double-precision floating-point numbers.
npm install @stdlib/math-base-ops-mul
Alternatively,
script
tag without installation and bundlers, use the ES Module available on the esm
branch (see README).deno
branch (see README for usage intructions).umd
branch (see README).The branches.md file summarizes the available branches and displays a diagram illustrating their relationships.
To view installation and usage instructions specific to each branch build, be sure to explicitly navigate to the respective README files on each branch, as linked to above.
var mul = require( '@stdlib/math-base-ops-mul' );
Multiplies two double-precision floating-point numbers.
var v = mul( -1.0, 5.0 );
// returns -5.0
v = mul( 2.0, 5.0 );
// returns 10.0
v = mul( 0.0, 5.0 );
// returns 0.0
v = mul( -0.0, 0.0 );
// returns -0.0
v = mul( NaN, NaN );
// returns NaN
var rand = require( '@stdlib/random-base-discrete-uniform' );
var mul = require( '@stdlib/math-base-ops-mul' );
var x;
var y;
var i;
for ( i = 0; i < 100; i++ ) {
x = rand( -50, 50 );
y = rand( -50, 50 );
console.log( '%d x %d = %d', x, y, mul( x, y ) );
}
#include "stdlib/math/base/ops/mul.h"
Multiplies two double-precision floating-point numbers.
double v = stdlib_base_mul( -5.0, 2.0 );
// returns -10.0
The function accepts the following arguments:
[in] double
first input value.[in] double
second input value.double stdlib_base_mul( const double x, const double y );
#include "stdlib/math/base/ops/mul.h"
#include <stdio.h>
int main( void ) {
const double x[] = { 3.14, -3.14, 0.0, 0.0/0.0 };
const double y[] = { 3.14, -3.14, -0.0, 0.0/0.0 };
double z;
int i;
for ( i = 0; i < 4; i++ ) {
z = stdlib_base_mul( x[ i ], y[ i ] );
printf( "%lf x %lf = %lf\n", x[ i ], y[ i ], z );
}
}
@stdlib/math-base/ops/add
: compute the sum of two double-precision floating-point numbers.
@stdlib/math-base/ops/div
: divide two double-precision floating-point numbers.
@stdlib/math-base/ops/sub
: subtract two double-precision floating-point numbers.
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.
See LICENSE.
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