Return the positive difference between
xandy.
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var pdifff = require( '@stdlib/math-base-special-pdifff' );Returns the positive difference between x and y if x < y; otherwise, returns 0.
var v = pdifff( 4.15, 3.15 );
// returns 1.0
v = pdifff( 3.14, 4.2 );
// returns +0.0
v = pdifff( -0.0, +0.0 );
// returns +0.0If any argument is NaN, the function returns NaN.
var v = pdifff( 4.2, NaN );
// returns NaN
v = pdifff( NaN, 3.14 );
// returns NaN
v = pdifff( NaN, NaN );
// returns NaN- This function is the equivalent of
fdimfin the C/C++ standard library.
var minstd = require( '@stdlib/random-base-minstd-shuffle' );
var pdifff = require( '@stdlib/math-base-special-pdifff' );
var x;
var y;
var v;
var i;
for ( i = 0; i < 100; i++ ) {
x = minstd();
y = minstd();
v = pdifff( x, y );
console.log( 'pdifff(%d,%d) = %d', x, y, v );
}#include "stdlib/math/base/special/pdifff.hReturns the positive difference between x and y (single-precision).
float v = stdlib_base_pdifff( 4.0f, 3.0f );
// returns 1.0fThe function accepts the following arguments:
- x:
[in] floatinput value. - y:
[in] floatinput value.
float stdlib_base_pdifff( const float x, const float y );#include "stdlib/math/base/special/pdifff.h"
#include <stdio.h>
int main() {
float x[] = { 3.0f, 4.0f, 6.0f, 5.0f };
float y;
int i;
for ( i = 0; i < 4; i += 2 ) {
y = stdlib_base_pdifff( x[ i ], x[ i+1 ] );
printf( "pdifff(%f, %f) = %f\n", x[ i ], x[ i+1 ], y );
}
}@stdlib/math/base/special/pdiff: return the positive difference betweenxandy.
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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