sysdeps/i386/fpu/s_logbl.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19

/*
 * Written by J.T. Conklin <jtc@netbsd.org>.
 * Changes for long double by Ulrich Drepper <drepper@cygnus.com>
 * Public domain.
 */

#include <libm-alias-ldouble.h>

long double
__logbl (long double x)
{
  long double res;

  asm ("fxtract\n"
       "fstp	%%st" : "=t" (res) : "0" (x));
  return res;
}

libm_alias_ldouble (__logb, logb)