code: 9ferno

ref: 9f77f04caee4e8d36b1fd2e01c7c7934f409f7a4
dir: /libmath/fdim.c/

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#include "lib9.h"
#include "mathi.h"

double
fdim(double x, double y)
{
	if(x>y)
		return x-y;
	else
		return 0;
}

double
fmax(double x, double y)
{
	if(x>y)
		return x;
	else
		return y;
}

double
fmin(double x, double y)
{
	if(x<y)
		return x;
	else
		return y;
}