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

ilogb(3), scalb(3)


  Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
Distributed under GPL
based on glibc infopages