1#include <math.h>
2
3#if __ARM_PCS_VFP || (__VFP_FP__ && !__SOFTFP__)
4
5double sqrt(double x)
6{
7	__asm__ ("vsqrt.f64 %P0, %P1" : "=w"(x) : "w"(x));
8	return x;
9}
10
11#else
12
13#include "../sqrt.c"
14
15#endif
16