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#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