github.com/afumu/libc@v0.0.6/musl/src/math/riscv64/copysignf.c (about)

     1  #include <math.h>
     2  
     3  #if __riscv_flen >= 32
     4  
     5  float copysignf(float x, float y)
     6  {
     7  	__asm__ ("fsgnj.s %0, %1, %2" : "=f"(x) : "f"(x), "f"(y));
     8  	return x;
     9  }
    10  
    11  #else
    12  
    13  #include "../copysignf.c"
    14  
    15  #endif