MODF(3) BSD Library Functions Manual MODF(3)NAMEmodf — extract signed integral and fractional values from floating-point
number
SYNOPSIS
#include <math.h>
double
modf(double value, double *iptr);
DESCRIPTION
The modf() function breaks the argument value into integral and frac‐
tional parts, each of which has the same sign as the argument. It stores
the integral part as a double in the object pointed to by iptr.
RETURN VALUES
The modf() function returns the signed fractional part of value.
SEE ALSOfrexp(3), ldexp(3), math(3)STANDARDS
The modf() function conforms to ANSI X3.159-1989 (“ANSI C89”).
BSD June 4, 1993 BSD