109 do_hard_work(long double x, long double y, long double *rx, int *B_is_usable,  in do_hard_work()  argument
124 			*rx = sqrtl(x);  in do_hard_work()
127 			*rx = log1pl(Am1 + sqrtl(Am1 * (A + 1)));  in do_hard_work()
129 			*rx = x / sqrtl((1 - y) * (1 + y));  in do_hard_work()
131 			*rx = log1pl((y - 1) + sqrtl((y - 1) * (y + 1)));  in do_hard_work()
134 		*rx = logl(A + sqrtl(A * A - 1));  in do_hard_work()
169 	long double x, y, ax, ay, rx, ry, B, sqrt_A2my2, new_y;  in casinhl()  local
205 	do_hard_work(ax, ay, &rx, &B_is_usable, &B, &sqrt_A2my2, &new_y);  in casinhl()
210 	return (CMPLXL(copysignl(rx, x), copysignl(ry, y)));  in casinhl()
225 	long double x, y, ax, ay, rx, ry, B, sqrt_A2mx2, new_x;  in cacosl()  local
249 		rx = fabsl(cimagl(w));  in cacosl()
253 		return (CMPLXL(rx, ry));  in cacosl()
267 			rx = acosl(B);  in cacosl()
269 			rx = acosl(-B);  in cacosl()
272 			rx = atan2l(sqrt_A2mx2, new_x);  in cacosl()
274 			rx = atan2l(sqrt_A2mx2, -new_x);  in cacosl()
278 	return (CMPLXL(rx, ry));  in cacosl()
285 	long double rx, ry;  in cacoshl()  local
288 	rx = creall(w);  in cacoshl()
290 	if (isnan(rx) && isnan(ry))  in cacoshl()
291 		return (CMPLXL(ry, rx));  in cacoshl()
292 	if (isnan(rx))  in cacoshl()
293 		return (CMPLXL(fabsl(ry), rx));  in cacoshl()
296 	return (CMPLXL(fabsl(ry), copysignl(rx, cimagl(z))));  in cacoshl()
364 	long double x, y, ax, ay, rx, ry;  in catanhl()  local
396 		rx = (m_ln2 - logl(ay)) / 2;  in catanhl()
398 		rx = log1pl(4 * ax / sum_squares(ax - 1, ay)) / 4;  in catanhl()
407 	return (CMPLXL(copysignl(rx, x), copysignl(ry, y)));  in catanhl()