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gh-106078: Move external C-API functions to decimal module global state #106616

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Merged
merged 3 commits into from
Jul 11, 2023
Merged

gh-106078: Move external C-API functions to decimal module global state #106616

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0c480d9
Move external c-api functions
CharlieZhao95 Jul 11, 2023
8074a07
update globals-to-fix
CharlieZhao95 Jul 11, 2023
c5e71fe
fix build
CharlieZhao95 Jul 11, 2023
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Move external c-api functions
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@CharlieZhao95
CharlieZhao95 committed Jul 11, 2023
commit 0c480d90850c656aeb9a2e4b02f039f19d9a1e26
45 changes: 23 additions & 22 deletions Modules/_decimal/_decimal.c
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Original file line number Diff line number Diff line change
Expand Up @@ -81,6 +81,14 @@ typedef struct {
PyObject *Rational;

PyObject *SignalTuple;

/* External C-API functions */
binaryfunc _py_long_multiply;
binaryfunc _py_long_floor_divide;
ternaryfunc _py_long_power;
unaryfunc _py_float_abs;
PyCFunction _py_long_bit_length;
PyCFunction _py_float_as_integer_ratio;
} decimal_state;

static decimal_state global_state;
Expand Down Expand Up @@ -2299,14 +2307,6 @@ PyDecType_FromLongExact(PyTypeObject *type, PyObject *v,
return dec;
}

/* External C-API functions */
static binaryfunc _py_long_multiply;
static binaryfunc _py_long_floor_divide;
static ternaryfunc _py_long_power;
static unaryfunc _py_float_abs;
static PyCFunction _py_long_bit_length;
static PyCFunction _py_float_as_integer_ratio;

/* Return a PyDecObject or a subtype from a PyFloatObject.
Conversion is exact. */
static PyObject *
Expand Down Expand Up @@ -2358,21 +2358,21 @@ PyDecType_FromFloatExact(PyTypeObject *type, PyObject *v,
}

/* absolute value of the float */
tmp = _py_float_abs(v);
tmp = state->_py_float_abs(v);
if (tmp == NULL) {
return NULL;
}

/* float as integer ratio: numerator/denominator */
n_d = _py_float_as_integer_ratio(tmp, NULL);
n_d = state->_py_float_as_integer_ratio(tmp, NULL);
Py_DECREF(tmp);
if (n_d == NULL) {
return NULL;
}
n = PyTuple_GET_ITEM(n_d, 0);
d = PyTuple_GET_ITEM(n_d, 1);

tmp = _py_long_bit_length(d, NULL);
tmp = state->_py_long_bit_length(d, NULL);
if (tmp == NULL) {
Py_DECREF(n_d);
return NULL;
Expand Down Expand Up @@ -3660,14 +3660,14 @@ dec_as_integer_ratio(PyObject *self, PyObject *args UNUSED)
goto error;
}

Py_SETREF(exponent, _py_long_power(tmp, exponent, Py_None));
Py_SETREF(exponent, state->_py_long_power(tmp, exponent, Py_None));
Py_DECREF(tmp);
if (exponent == NULL) {
goto error;
}

if (exp >= 0) {
Py_SETREF(numerator, _py_long_multiply(numerator, exponent));
Py_SETREF(numerator, state->_py_long_multiply(numerator, exponent));
if (numerator == NULL) {
goto error;
}
Expand All @@ -3683,12 +3683,12 @@ dec_as_integer_ratio(PyObject *self, PyObject *args UNUSED)
if (tmp == NULL) {
goto error;
}
Py_SETREF(numerator, _py_long_floor_divide(numerator, tmp));
Py_SETREF(numerator, state->_py_long_floor_divide(numerator, tmp));
if (numerator == NULL) {
Py_DECREF(tmp);
goto error;
}
Py_SETREF(denominator, _py_long_floor_divide(denominator, tmp));
Py_SETREF(denominator, state->_py_long_floor_divide(denominator, tmp));
Py_DECREF(tmp);
if (denominator == NULL) {
goto error;
Expand Down Expand Up @@ -5834,13 +5834,14 @@ PyInit__decimal(void)
decimal_state *state = GLOBAL_STATE();

/* Init external C-API functions */
_py_long_multiply = PyLong_Type.tp_as_number->nb_multiply;
_py_long_floor_divide = PyLong_Type.tp_as_number->nb_floor_divide;
_py_long_power = PyLong_Type.tp_as_number->nb_power;
_py_float_abs = PyFloat_Type.tp_as_number->nb_absolute;
ASSIGN_PTR(_py_float_as_integer_ratio, cfunc_noargs(&PyFloat_Type,
"as_integer_ratio"));
ASSIGN_PTR(_py_long_bit_length, cfunc_noargs(&PyLong_Type, "bit_length"));
state->_py_long_multiply = PyLong_Type.tp_as_number->nb_multiply;
state->_py_long_floor_divide = PyLong_Type.tp_as_number->nb_floor_divide;
state->_py_long_power = PyLong_Type.tp_as_number->nb_power;
state->_py_float_abs = PyFloat_Type.tp_as_number->nb_absolute;
ASSIGN_PTR(state->_py_float_as_integer_ratio,
cfunc_noargs(&PyFloat_Type, "as_integer_ratio"));
ASSIGN_PTR(state->_py_long_bit_length,
cfunc_noargs(&PyLong_Type, "bit_length"));


/* Init types */
Expand Down