MODF(3) OpenBSD Programmer's Manual MODF(3)NAME
modf, modff - extract signed integral and fractional values from
floating-point number
SYNOPSIS
#include <math.h>
double
modf(double value, double *iptr);
float
modff(float value, float *iptr);
DESCRIPTION
The modf() function breaks the argument value into integral and
fractional 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.
The modff() function is a single precision version of modf().
RETURN VALUES
The modf() and modff() functions return the signed fractional part of
value.
SEE ALSOfrexp(3), ldexp(3), math(3)STANDARDS
The modf() function conforms to ANSI X3.159-1989 (``ANSI C'').
OpenBSD 4.9 December 12, 2008 OpenBSD 4.9