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

     1  #include "libm.h"
     2  
     3  double __math_xflow(uint32_t sign, double y)
     4  {
     5  	return eval_as_double(fp_barrier(sign ? -y : y) * y);
     6  }