1 #include <math.h> 2 3 #if (__ARM_PCS_VFP || (__VFP_FP__ && !__SOFTFP__)) && !BROKEN_VFP_ASM 4 5 float sqrtf(float x) 6 { 7 __asm__ ("vsqrt.f32 %0, %1" : "=t"(x) : "t"(x)); 8 return x; 9 } 10 11 #else 12 13 #include "../sqrtf.c" 14 15 #endif 16