SIGNIFICAND(3) Linux Programmer's Manual SIGNIFICAND(3)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 ALSOilogb(3), scalb(3)gnu 2002-08-10 SIGNIFICAND(3)