github.com/afumu/libc@v0.0.6/musl/src/complex/cacoshl.c (about)

     1  #include "complex_impl.h"
     2  
     3  #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
     4  long double complex cacoshl(long double complex z)
     5  {
     6  	return cacosh(z);
     7  }
     8  #else
     9  long double complex cacoshl(long double complex z)
    10  {
    11  	int zineg = signbit(cimagl(z));
    12  
    13  	z = cacosl(z);
    14  	if (zineg) return CMPLXL(cimagl(z), -creall(z));
    15  	else       return CMPLXL(-cimagl(z), creall(z));
    16  }
    17  #endif