glibc/sysdeps/i386/fpu/s_logbl.c

20 lines
342 B
C

/*
* 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)