17 lines
290 B
C
17 lines
290 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>
|
||
|
|
|
||
|
|
float
|
||
|
|
logbf (float x)
|
||
|
|
{
|
||
|
|
float res;
|
||
|
|
asm ("fxtract\n\t"
|
||
|
|
"fstp %%st" : "=t" (res) : "0" (x));
|
||
|
|
return res;
|
||
|
|
}
|