Scroll to navigation

MODF(3) Linux Programmer's Manual MODF(3)

NAME

modf - extract signed integral and fractional values from floating-point number

SYNOPSIS

#include <math.h>

double modf(double x, double *iptr);

DESCRIPTION

The modf() function breaks the argument x into an integral part and a fractional part, each of which has the same sign as x. The integral part is stored in iptr.

RETURN VALUE

The modf() function returns the fractional part of x.

CONFORMING TO

SVID 3, POSIX, BSD 4.3, ISO 9899

SEE ALSO

frexp(3), ldexp(3)
June 6, 1993