MODF(3) BSD Library Functions Manual MODF(3)
NAME
modf -- return integral and fractional parts
SYNOPSIS
#include <math.h>
double
modf(double value, double *iptr);
float
modff(float value, float *iptr);
DESCRIPTION
The modf() and modff() break value into integral and fractional parts, each of which has the same sign as the argument. They return the
fractional part, and store the integral part (as a floating-point number) in the object pointed to by iptr
SPECIAL VALUES
modf(+-infinity, iptr) returns +-0 and stores +-infinity in the object pointed to by iptr.
modf(NaN, iptr) returns a NaN and stores a NaN in the object pointed to by iptr.
SEE ALSO
frexp(3), ldexp(3), math(3)
STANDARDS
The modf() and modff() functions conform to ISO/IEC 9899:1999(E).
BSD
July 24, 2003 BSD
