sqrt.c\arm\math\src - musl - musl - an implementation of the standard library for Linux-based systems

#include <math.h>
#if (__ARM_PCS_VFP || (__VFP_FP__ && !__SOFTFP__)) && (__ARM_FP&8)
double sqrt(double x)
{
	__asm__ ("vsqrt.f64 %P0, %P1" : "=w"(x) : "w"(x));
	return x;
}
#else
#include "../sqrt.c"
#endif