sysdeps/libm-ieee754/s_significandl.c

   1 /* s_significandl.c -- long double version of s_significand.c.
   2  * Conversion to long double by Ulrich Drepper,
   3  * Cygnus Support, drepper@cygnus.com.
   4  */
   5
   6 /*
   7  * ====================================================
   8  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
   9  *
  10  * Developed at SunPro, a Sun Microsystems, Inc. business.
  11  * Permission to use, copy, modify, and distribute this
  12  * software is freely granted, provided that this notice
  13  * is preserved.
  14  * ====================================================
  15  */
  16
  17 #if defined(LIBM_SCCS) && !defined(lint)
  18 static char rcsid[] = "$NetBSD: $";
  19 #endif
  20
  21 /*
  22  * significandl(x) computes just
  23  *      scalbl(x, (double) -ilogbl(x)),
  24  * for exercising the fraction-part(F) IEEE 754-1985 test vector.
  25  */
  26
  27 #include "math.h"
  28 #include "math_private.h"
  29
  30 #ifdef __STDC__
  31         long double __significandl(long double x)
  32 #else
  33         long double __significandl(x)
  34         long double x;
  35 #endif
  36 {
  37         return __ieee754_scalbl(x,(double) -ilogbl(x));
  38 }
  39 weak_alias (__significandl, significandl)