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3.11 Calculate the floating point remainder value. <Main,Alarm,Comm>
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[Name]
fmod
[Syntax]
#include <math.h>
double fmod( double x, double y ) ;
[Arguments]
x A divident to be calculated remainder.
y A divosor to be calculated remainder.
[Return]
Returns the remainder of "x" and "y". If "y" is 0, returns 0 and sets
EDOM in the global variable "errno".
[Description]
Calculates the remainder of "x" and "y". The remainder satisfies
"x - i*y ("i" is an integer value)" and its absolute value is smaller
than the absolute value of "y".