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