man significand (Fonctions bibliothèques) - significand, significandf, significandl - get mantissa of floating point number

NAME

significand, significandf, significandl - get mantissa of floating point number

SYNOPSIS

#include <math.h> double significand(double x);

float significandf(float x);

long double significandl(long double x); Link with -lm.

DESCRIPTION

The significand() function returns the mantissa of x scaled to the range [1,2). It is equivalent to scalb(x, (double) -ilogb(x))

This function exists mainly for use in certain standardized tests for IEEE 754 conformance.

HISTORY

This function came from BSD.

SEE ALSO

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