计算x/y的余数

[c]代码库

#include <syslib.h>
#include <math.h>

main()
{
	float x,y;

	clrscr();        // clear screen
	textmode ( 0x00 );  // 6 lines per LCD screen

	x=74.12;
	y=6.4;
	printf ( "74.12/6.4: %f\n",fmod ( x,y ) );
	x=74.12;
	y=-6.4;
	printf ( "74.12/(-6.4): %f\n",fmod ( x,y ) );

	getchar();
	return 0;
}