static PyObject *
complex_pow(PyComplexObject *v, PyObject *w, PyComplexObject *z)
{
Py_complex p;
Py_complex exponent;
long int_exponent;
if ((PyObject *)z!=Py_None) {
PyErr_SetString(PyExc_ValueError, "complex modulo");
return NULL;
}
PyFPE_START_PROTECT("complex_pow", return 0)
errno = 0;
exponent = ((PyComplexObject*)w)->cval;
int_exponent = (long)exponent.real;
if (exponent.imag == 0. && exponent.real == int_exponent)
p = c_powi(v->cval,int_exponent);
else
p = c_pow(v->cval,exponent);
PyFPE_END_PROTECT(p)
if (errno == ERANGE) {
PyErr_SetString(PyExc_ValueError,
"0.0 to a negative or complex power");
return NULL;
}
return PyComplex_FromCComplex(p);
}
static PyObject *
complex_pow(PyObject *v, PyObject *w, PyObject *z)
{
Py_complex p;
Py_complex exponent;
long int_exponent;
Py_complex a, b;
TO_COMPLEX(v, a);
TO_COMPLEX(w, b);
if (z!=Py_None) {
PyErr_SetString(PyExc_ValueError, "complex modulo");
return NULL;
}
PyFPE_START_PROTECT("complex_pow", return 0)
errno = 0;
exponent = b;
int_exponent = (long)exponent.real;
if (exponent.imag == 0. && exponent.real == int_exponent)
p = c_powi(a,int_exponent);
else
p = c_pow(a,exponent);
PyFPE_END_PROTECT(p)
Py_ADJUST_ERANGE2(p.real, p.imag);
if (errno == EDOM) {
PyErr_SetString(PyExc_ZeroDivisionError,
"0.0 to a negative or complex power");
return NULL;
}
else if (errno == ERANGE) {
PyErr_SetString(PyExc_OverflowError,
"complex exponentiation");
return NULL;
}
return PyComplex_FromCComplex(p);
}
