forked from KolibriOS/kolibrios
17 lines
292 B
C
17 lines
292 B
C
/*
|
|
* Written by J.T. Conklin <jtc@netbsd.org>.
|
|
* Changes for long double by Ulrich Drepper <drepper@cygnus.com>
|
|
* Public domain.
|
|
*/
|
|
|
|
#include <math.h>
|
|
|
|
double
|
|
logb (double x)
|
|
{
|
|
double res;
|
|
asm ("fxtract\n\t"
|
|
"fstp %%st" : "=t" (res) : "0" (x));
|
|
return res;
|
|
}
|