1 #include <math.h> 2 3 #if __riscv_flen >= 64 4 fabs(double x)5 double fabs(double x) 6 { 7 __asm__ ("fabs.d %0, %1" : "=f"(x) : "f"(x)); 8 return x; 9 } 10 11 #else 12 13 #include "../fabs.c" 14 15 #endif 16