1 #include <math.h> 2 3 #if __HAVE_68881__ 4 sqrtl(long double x)5 long double sqrtl(long double x) 6 { 7 __asm__ ("fsqrt.x %1,%0" : "=f"(x) : "fm"(x)); 8 return x; 9 } 10 11 #else 12 13 #include "../sqrtl.c" 14 15 #endif 16