Return the positive difference between
xandy.
var pdiff = require( '@stdlib/math/base/special/pdiff' );Returns the positive difference between x and y if x > y; otherwise, returns 0.
var v = pdiff( 4.2, 3.14 );
// returns 1.06
v = pdiff( 3.14, 4.2 );
// returns +0.0
v = pdiff( -0.0, +0.0 );
// returns +0.0If any argument is NaN, the function returns NaN.
var v = pdiff( 4.2, NaN );
// returns NaN
v = pdiff( NaN, 3.14 );
// returns NaN
v = pdiff( NaN, NaN );
// returns NaN- This function is the equivalent of
fdimin the C/C++ standard library.
var minstd = require( '@stdlib/random/base/minstd-shuffle' );
var pdiff = require( '@stdlib/math/base/special/pdiff' );
var x;
var y;
var v;
var i;
for ( i = 0; i < 100; i++ ) {
x = minstd();
y = minstd();
v = pdiff( x, y );
console.log( 'pdiff(%d,%d) = %d', x, y, v );
}#include "stdlib/math/base/special/pdiff.h"Returns the positive difference between x and y.
double v = stdlib_base_pdiff( 4.0, 3.0 );
// returns 1.0The function accepts the following arguments:
- x:
[in] doubleinput value. - y:
[in] doubleinput value.
double stdlib_base_pdiff( const double x, const double y );#include "stdlib/math/base/special/pdiff.h"
#include <stdio.h>
int main( void ) {
const double x[] = { 3.0, 4.0, 6.0, 5.0 };
double y;
int i;
for ( i = 0; i < 4; i += 2 ) {
y = stdlib_base_pdiff( x[ i ], x[ i+1 ] );
printf( "pdiff(%lf, %lf) = %lf\n", x[ i ], x[ i+1 ], y );
}
}