static PyObject *
math_log(PyObject *self, PyObject *args)
{
PyObject *arg;
PyObject *base = NULL;
PyObject *num, *den;
PyObject *ans;
if (!PyArg_UnpackTuple(args, "log", 1, 2, &arg, &base))
return NULL;
num = loghelper(arg, log, "log");
if (num == NULL || base == NULL)
return num;
den = loghelper(base, log, "log");
if (den == NULL) {
Py_DECREF(num);
return NULL;
}
ans = PyNumber_TrueDivide(num, den);
Py_DECREF(num);
Py_DECREF(den);
return ans;
}
static PyObject *
math_log10(PyObject *self, PyObject *args)
{
PyObject *arg;
if (!PyArg_UnpackTuple(args, "log10", 1, 1, &arg))
return NULL;
return loghelper(args, log10, "d:log10", arg);
}
static PyObject *
math_log(PyObject *self, PyObject *args)
{
PyObject *arg;
PyObject *base = NULL;
PyObject *num, *den;
PyObject *ans;
PyObject *newargs;
if (!PyArg_UnpackTuple(args, "log", 1, 2, &arg, &base))
return NULL;
if (base == NULL)
return loghelper(args, log, "d:log", arg);
newargs = PyTuple_New(1);
if (newargs == NULL)
return NULL;
Py_INCREF(arg);
PyTuple_SET_ITEM(newargs, 0, arg);
num = loghelper(newargs, log, "d:log", arg);
Py_DECREF(newargs);
if (num == NULL)
return NULL;
newargs = PyTuple_New(1);
if (newargs == NULL) {
Py_DECREF(num);
return NULL;
}
Py_INCREF(base);
PyTuple_SET_ITEM(newargs, 0, base);
den = loghelper(newargs, log, "d:log", base);
Py_DECREF(newargs);
if (den == NULL) {
Py_DECREF(num);
return NULL;
}
ans = PyNumber_Divide(num, den);
Py_DECREF(num);
Py_DECREF(den);
return ans;
}
static PyObject *
math_log10(PyObject *self, PyObject *arg)
{
return loghelper(arg, log10, "log10");
}
