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Command: modf | Section: 3 | Source: NetBSD | File: modf.3
MODF(3) FreeBSD Library Functions Manual MODF(3)
NAME
modf, modff, modfl - extract signed integral and fractional values from
floating-point number
LIBRARY
Math Library (libm, -lm)
SYNOPSIS
#include <math.h>
double
modf(double value, double *iptr);
float
modff(float value, float *iptr);
long double
modfl(long double value, long double *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.
RETURN VALUES
The modf() function returns the signed fractional part of value.
SEE ALSO
frexp(3), ldexp(3), math(3)
STANDARDS
The modf() function conforms to ANSI X3.159-1989 ("ANSI C89").
FreeBSD 14.1-RELEASE-p8 March 7, 2016 FreeBSD 14.1-RELEASE-p8