modf(3) - NetBSD Manual Pages

MODF(3)                 NetBSD 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 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 ALSO
frexp(3), ldexp(3), math(3)
STANDARDS
The modf() function conforms to ANSI X3.159-1989 (``ANSI C89''). NetBSD 9.4_STABLE March 7, 2016 NetBSD 9.4_STABLE

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