162             if (copysign(1., d) == 1.)  in special_type()
168             if (copysign(1., d) == 1.)  in special_type()
176     if (copysign(1., d) == 1.)  in special_type()
231             r.imag = -copysign(log(hypot(z.real/2., z.imag/2.)) +  in cmath_acos_impl()
234             r.imag = copysign(log(hypot(z.real/2., z.imag/2.)) +  in cmath_acos_impl()
325             r.real = copysign(log(hypot(z.real/2., z.imag/2.)) +  in cmath_asinh_impl()
328             r.real = -copysign(log(hypot(z.real/2., z.imag/2.)) +  in cmath_asinh_impl()
376             if (copysign(1., z.real) == 1.)  in c_atan2()
378                 return copysign(0.25*Py_MATH_PI, z.imag);  in c_atan2()
381                 return copysign(0.75*Py_MATH_PI, z.imag);  in c_atan2()
384         return copysign(0.5*Py_MATH_PI, z.imag);  in c_atan2()
387         if (copysign(1., z.real) == 1.)  in c_atan2()
389             return copysign(0., z.imag);  in c_atan2()
392             return copysign(Py_MATH_PI, z.imag);  in c_atan2()
433         r.imag = -copysign(Py_MATH_PI/2., -z.imag);  in cmath_atanh_impl()
443             r.imag = copysign(atan2(2., -ay)/2, z.imag);  in cmath_atanh_impl()
495                 r.real = copysign(INF, cos(z.imag));  in cmath_cosh_impl()
496                 r.imag = copysign(INF, sin(z.imag));  in cmath_cosh_impl()
499                 r.real = copysign(INF, cos(z.imag));  in cmath_cosh_impl()
500                 r.imag = -copysign(INF, sin(z.imag));  in cmath_cosh_impl()
519         x_minus_one = z.real - copysign(1., z.real);  in cmath_cosh_impl()
556                 r.real = copysign(INF, cos(z.imag));  in cmath_exp_impl()
557                 r.imag = copysign(INF, sin(z.imag));  in cmath_exp_impl()
560                 r.real = copysign(0., cos(z.imag));  in cmath_exp_impl()
561                 r.imag = copysign(0., sin(z.imag));  in cmath_exp_impl()
733                 r.real = copysign(INF, cos(z.imag));  in cmath_sinh_impl()
734                 r.imag = copysign(INF, sin(z.imag));  in cmath_sinh_impl()
737                 r.real = -copysign(INF, cos(z.imag));  in cmath_sinh_impl()
738                 r.imag = copysign(INF, sin(z.imag));  in cmath_sinh_impl()
755         x_minus_one = z.real - copysign(1., z.real);  in cmath_sinh_impl()
838         r.imag = copysign(d, z.imag);  in cmath_sqrt_impl()
841         r.imag = copysign(s, z.imag);  in cmath_sqrt_impl()
904                 r.imag = copysign(0.,  in cmath_tanh_impl()
909                 r.imag = copysign(0.,  in cmath_tanh_impl()
928         r.real = copysign(1., z.real);  in cmath_tanh_impl()
1087                 z.real = copysign(INF, cos(phi));  in cmath_rect_impl()
1088                 z.imag = copysign(INF, sin(phi));  in cmath_rect_impl()
1091                 z.real = -copysign(INF, cos(phi));  in cmath_rect_impl()
1092                 z.imag = -copysign(INF, sin(phi));  in cmath_rect_impl()