1 #include "complex_impl.h" 2 3 /* asinh(z) = -i asin(i z) */ 4 casinh(double complex z)5 double complex casinh(double complex z) 6 { 7 z = casin(CMPLX(-cimag(z), creal(z))); 8 return CMPLX(cimag(z), -creal(z)); 9 } 10