/* * Written by J.T. Conklin . * Changes for long double by Ulrich Drepper * Public domain. */ #include #include 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)