示例#1
0
static PyObject *
Pyxmpz_inplace_sub(PyObject *a, PyObject *b)
{
    mpz_t tempz;
    mpir_si temp_si;
    int overflow;

    if (PyIntOrLong_Check(b)) {
        temp_si = PyLong_AsSIAndOverflow(b, &overflow);
        if (overflow) {
            mpz_inoc(tempz);
            mpz_set_PyIntOrLong(tempz, b);
            mpz_sub(Pyxmpz_AS_MPZ(a), Pyxmpz_AS_MPZ(a), tempz);
            mpz_cloc(tempz);
        }
        else if(temp_si >= 0) {
            mpz_sub_ui(Pyxmpz_AS_MPZ(a), Pyxmpz_AS_MPZ(a), temp_si);
        }
        else {
            mpz_add_ui(Pyxmpz_AS_MPZ(a), Pyxmpz_AS_MPZ(a), -temp_si);
        }
        Py_INCREF(a);
        return a;
    }

    if (CHECK_MPZANY(b)) {
        mpz_sub(Pyxmpz_AS_MPZ(a), Pyxmpz_AS_MPZ(a), Pyxmpz_AS_MPZ(b));
        Py_INCREF(a);
        return a;
    }

    Py_RETURN_NOTIMPLEMENTED;
}
示例#2
0
static PyObject *
GMPy_XMPZ_IAdd_Slot(PyObject *self, PyObject *other)
{
    /* Try to make mpz + small_int faster */
    if (PyIntOrLong_Check(other)) {
        int error;
        long temp = GMPy_Integer_AsLongAndError(other, &error);
        
        if (!error) {
            if (temp >= 0) {
                mpz_add_ui(MPZ(self), MPZ(self), temp);
            }
            else {
                mpz_sub_ui(MPZ(self), MPZ(self), -temp);
            }
        }
        else {
            mpz_t tempz;
            mpz_inoc(tempz);
            mpz_set_PyIntOrLong(tempz, other);
            mpz_add(MPZ(self), MPZ(self), tempz);
            mpz_cloc(tempz);
        }
        Py_INCREF(self);
        return self;
    }

    if (CHECK_MPZANY(other)) {
        mpz_add(MPZ(self), MPZ(self), MPZ(other));
        Py_INCREF(self);
        return self;
    }

    Py_RETURN_NOTIMPLEMENTED;
}
示例#3
0
static PyObject *
GMPy_XMPZ_IMul_Slot(PyObject *self, PyObject *other)
{
    if (PyIntOrLong_Check(other)) {
        int error;
        long temp = GMPy_Integer_AsLongAndError(other, &error);
        
        if (!error) {
            mpz_mul_si(MPZ(self), MPZ(self), temp);
        }
        else {
            mpz_t tempz;
            mpz_inoc(tempz);
            mpz_set_PyIntOrLong(tempz, other);
            mpz_mul(MPZ(self), MPZ(self), tempz);
            mpz_cloc(tempz);
        }
        Py_INCREF(self);
        return self;
    }

    if (CHECK_MPZANY(other)) {
        mpz_mul(MPZ(self), MPZ(self), MPZ(other));
        Py_INCREF(self);
        return self;
    }

    Py_RETURN_NOTIMPLEMENTED;
}
示例#4
0
static PyObject *
GMPy_XMPZ_ISub_Slot(PyObject *self, PyObject *other)
{
    if (PyIntOrLong_Check(other)) {
        int error;
        native_si temp = GMPy_Integer_AsNative_siAndError(other, &error);

        if (!error) {
            if (temp >= 0) {
                mpz_sub_ui(MPZ(self), MPZ(self), temp);
            }
            else {
                mpz_add_ui(MPZ(self), MPZ(self), -temp);
            }
        }
        else {
            mpz_set_PyIntOrLong(global.tempz, other);
            mpz_sub(MPZ(self), MPZ(self), global.tempz);
        }
        Py_INCREF(self);
        return self;
    }

    if (CHECK_MPZANY(other)) {
        mpz_sub(MPZ(self), MPZ(self), MPZ(other));
        Py_INCREF(self);
        return self;
    }

    Py_RETURN_NOTIMPLEMENTED;
}
示例#5
0
static PyObject *
GMPy_MPZ_IMul_Slot(PyObject *self, PyObject *other)
{
    MPZ_Object *rz;

    if (!(rz =  GMPy_MPZ_New(NULL)))
        return NULL;

    if (CHECK_MPZANY(other)) {
        mpz_mul(rz->z, MPZ(self), MPZ(other));
        return (PyObject*)rz;
    }

    if (PyIntOrLong_Check(other)) {
        int error;
        long temp = GMPy_Integer_AsLongAndError(other, &error);

        if (!error) {
            mpz_mul_si(rz->z, MPZ(self), temp);
        }
        else {
            mpz_t tempz;
            mpz_inoc(tempz);
            mpz_set_PyIntOrLong(tempz, other);
            mpz_mul(rz->z, MPZ(self), tempz);
            mpz_cloc(tempz);
        }
        return (PyObject*)rz;
    }

    Py_RETURN_NOTIMPLEMENTED;
}
示例#6
0
static PyObject *
GMPy_MPZ_IAdd_Slot(PyObject *self, PyObject *other)
{
    MPZ_Object *result = NULL;

    if (CHECK_MPZANY(other)) {
        if ((result = GMPy_MPZ_New(NULL))) {
            mpz_add(result->z, MPZ(self), MPZ(other));
        }
        return (PyObject*)result;
    }

    if (PyLong_CheckExact(other)) {
        if ((result = GMPy_MPZ_New(NULL))) {
            switch (Py_SIZE((PyLongObject*)other)) {
            case -1:
                mpz_sub_ui(result->z, MPZ(self), ((PyLongObject*)other)->ob_digit[0]);
                return (PyObject*)result;
            case 0:
            case 1:
                mpz_add_ui(result->z, MPZ(self), ((PyLongObject*)other)->ob_digit[0]);
                return (PyObject*)result;
            default:
                break;
            }
        }
        else {
            return NULL;
        }
    }

    if (PyIntOrLong_Check(other)) {
        int error;
        long temp = GMPy_Integer_AsLongAndError(other, &error);

        if ((result = GMPy_MPZ_New(NULL))) {
            if (!error) {
                if (temp >= 0) {
                    mpz_add_ui(result->z, MPZ(self), temp);
                }
                else {
                    mpz_sub_ui(result->z, MPZ(self), -temp);
                }
            }
            else {
                mpz_t tempz;
                mpz_inoc(tempz);
                mpz_set_PyIntOrLong(tempz, other);
                mpz_add(result->z, MPZ(self), tempz);
                mpz_cloc(tempz);
            }
        }
        return (PyObject*)result;
    }

    Py_RETURN_NOTIMPLEMENTED;
}
示例#7
0
static PyObject *
GMPy_MPZ_IFloorDiv_Slot(PyObject *self, PyObject *other)
{
    MPZ_Object *rz;

    if (!(rz =  GMPy_MPZ_New(NULL)))
        return NULL;

    if (CHECK_MPZANY(other)) {
        if (mpz_sgn(MPZ(other)) == 0) {
            ZERO_ERROR("mpz division by zero");
            return NULL;
        }
        mpz_fdiv_q(rz->z, MPZ(self), MPZ(other));
        return (PyObject*)rz;
    }

    if (PyIntOrLong_Check(other)) {
        int error;
        long temp = GMPy_Integer_AsLongAndError(other, &error);

        if (!error) {
            if (temp == 0) {
                ZERO_ERROR("mpz division by zero");
                return NULL;
            }
            else if(temp > 0) {
                mpz_fdiv_q_ui(rz->z, MPZ(self), temp);
            }
            else {
                mpz_cdiv_q_ui(rz->z, MPZ(self), -temp);
                mpz_neg(rz->z, rz->z);
            }
        }
        else {
            mpz_t tempz;
            mpz_inoc(tempz);
            mpz_set_PyIntOrLong(tempz, other);
            mpz_fdiv_q(rz->z, MPZ(self), tempz);
            mpz_cloc(tempz);
        }
        return (PyObject*)rz;
    }

    Py_RETURN_NOTIMPLEMENTED;
}
示例#8
0
static PyObject *
GMPy_XMPZ_IIor_Slot(PyObject *self, PyObject *other)
{
    if(CHECK_MPZANY(other)) {
        mpz_ior(MPZ(self), MPZ(self), MPZ(other));
        Py_INCREF(self);
        return self;
    }

    if(PyIntOrLong_Check(other)) {
        mpz_set_PyIntOrLong(global.tempz, other);
        mpz_ior(MPZ(self), MPZ(self), global.tempz);
        Py_INCREF(self);
        return self;
    }

    Py_RETURN_NOTIMPLEMENTED;
}
示例#9
0
static PyObject *
Pyxmpz_inplace_floordiv(PyObject *a, PyObject *b)
{
    mpz_t tempz;
    mpir_si temp_si;
    int overflow;

    if (PyIntOrLong_Check(b)) {
        temp_si = PyLong_AsSIAndOverflow(b, &overflow);
        if (overflow) {
            mpz_inoc(tempz);
            mpz_set_PyIntOrLong(tempz, b);
            mpz_fdiv_q(Pyxmpz_AS_MPZ(a), Pyxmpz_AS_MPZ(a), tempz);
            mpz_cloc(tempz);
        }
        else if(temp_si == 0) {
            ZERO_ERROR("xmpz division by zero");
            return NULL;
        }
        else if(temp_si > 0) {
            mpz_fdiv_q_ui(Pyxmpz_AS_MPZ(a), Pyxmpz_AS_MPZ(a), temp_si);
        }
        else {
            mpz_cdiv_q_ui(Pyxmpz_AS_MPZ(a), Pyxmpz_AS_MPZ(a), -temp_si);
            mpz_neg(Pyxmpz_AS_MPZ(a), Pyxmpz_AS_MPZ(a));
        }
        Py_INCREF(a);
        return a;
    }

    if (CHECK_MPZANY(b)) {
        if (mpz_sgn(Pyxmpz_AS_MPZ(b)) == 0) {
            ZERO_ERROR("xmpz division by zero");
            return NULL;
        }
        mpz_fdiv_q(Pyxmpz_AS_MPZ(a), Pyxmpz_AS_MPZ(a), Pyxmpz_AS_MPZ(b));
        Py_INCREF(a);
        return a;
    }

    Py_RETURN_NOTIMPLEMENTED;
}
示例#10
0
static PyObject *
GMPy_XMPZ_IRem_Slot(PyObject *self, PyObject *other)
{
    if (PyIntOrLong_Check(other)) {
        int error;
        long temp = GMPy_Integer_AsLongAndError(other, &error);
        
        if (!error) {
            if (temp > 0) {
                mpz_fdiv_r_ui(MPZ(self), MPZ(self), temp);
            }
            else if (temp == 0) {
                ZERO_ERROR("xmpz modulo by zero");
                return NULL;
            }
            else {
                mpz_cdiv_r_ui(MPZ(self), MPZ(self), -temp);
            }
        }
        else {
            mpz_t tempz;
            mpz_inoc(tempz);
            mpz_set_PyIntOrLong(tempz, other);
            mpz_fdiv_r(MPZ(self), MPZ(self), tempz);
            mpz_cloc(tempz);
        }
        Py_INCREF(self);
        return self;
    }

    if (CHECK_MPZANY(other)) {
        if(mpz_sgn(MPZ(other)) == 0) {
            ZERO_ERROR("xmpz modulo by zero");
            return NULL;
        }
        mpz_fdiv_r(MPZ(self), MPZ(self), MPZ(other));
        Py_INCREF(self);
        return self;
    }

    Py_RETURN_NOTIMPLEMENTED;
}
示例#11
0
static PyObject *
GMPy_XMPZ_IFloorDiv_Slot(PyObject *self, PyObject *other)
{
    if (PyIntOrLong_Check(other)) {
        int error;
        native_si temp = GMPy_Integer_AsNative_siAndError(other, &error);

        if (!error) {
            if (temp == 0) {
                ZERO_ERROR("xmpz division by zero");
                return NULL;
            }
            else if(temp > 0) {
                mpz_fdiv_q_ui(MPZ(self), MPZ(self), temp);
            }
            else {
                mpz_cdiv_q_ui(MPZ(self), MPZ(self), -temp);
                mpz_neg(MPZ(self), MPZ(self));
            }
        }
        else {
            mpz_set_PyIntOrLong(global.tempz, other);
            mpz_fdiv_q(MPZ(self), MPZ(self), global.tempz);
        }
        Py_INCREF(self);
        return self;
    }

    if (CHECK_MPZANY(other)) {
        if (mpz_sgn(MPZ(other)) == 0) {
            ZERO_ERROR("xmpz division by zero");
            return NULL;
        }
        mpz_fdiv_q(MPZ(self), MPZ(self), MPZ(other));
        Py_INCREF(self);
        return self;
    }

    Py_RETURN_NOTIMPLEMENTED;
}
示例#12
0
static PyObject *
Pyxmpz_inplace_ior(PyObject *self, PyObject *other)
{
    mpz_t tempz;

    if(CHECK_MPZANY(other)) {
        mpz_ior(Pyxmpz_AS_MPZ(self), Pyxmpz_AS_MPZ(self), Pyxmpz_AS_MPZ(other));
        Py_INCREF(self);
        return self;
    }

    if(PyIntOrLong_Check(other)) {
        mpz_inoc(tempz);
        mpz_set_PyIntOrLong(tempz, other);
        mpz_ior(Pyxmpz_AS_MPZ(self), Pyxmpz_AS_MPZ(self), tempz);
        mpz_cloc(tempz);
        Py_INCREF(self);
        return self;
    }

    Py_RETURN_NOTIMPLEMENTED;
}
示例#13
0
static PyObject *
GMPy_XMPZ_IXor_Slot(PyObject *self, PyObject *other)
{
    mpz_t tempz;

    if(CHECK_MPZANY(other)) {
        mpz_xor(MPZ(self), MPZ(self), MPZ(other));
        Py_INCREF(self);
        return self;
    }

    if(PyIntOrLong_Check(other)) {
        mpz_inoc(tempz);
        mpz_set_PyIntOrLong(tempz, other);
        mpz_xor(MPZ(self), MPZ(self), tempz);
        mpz_cloc(tempz);
        Py_INCREF(self);
        return self;
    }

    Py_RETURN_NOTIMPLEMENTED;
}
示例#14
0
static PyObject *
GMPy_Real_Sub(PyObject *x, PyObject *y, CTXT_Object *context)
{
    MPFR_Object *result;

    CHECK_CONTEXT(context);

    if (!(result = GMPy_MPFR_New(0, context)))
        return NULL;

    /* This only processes mpfr if the exponent is still in-bounds. Need
     * to handle the rare case at the end. */

    if (MPFR_Check(x) && MPFR_Check(y)) {
        mpfr_clear_flags();
        result->rc = mpfr_sub(result->f, MPFR(x), MPFR(y), GET_MPFR_ROUND(context));
        goto done;
    }

    if (MPFR_Check(x)) {
        if (PyIntOrLong_Check(y)) {
            int error;
            long temp = GMPy_Integer_AsLongAndError(y, &error);
            if (!error) {
                mpfr_clear_flags();
                result->rc = mpfr_sub_si(result->f, MPFR(x), temp, GET_MPFR_ROUND(context));
                goto done;
            }
            else {
                mpz_t tempz;
                mpz_inoc(tempz);
                mpz_set_PyIntOrLong(tempz, y);
                mpfr_clear_flags();
                result->rc = mpfr_sub_z(result->f, MPFR(x), tempz, GET_MPFR_ROUND(context));
                mpz_cloc(tempz);
                goto done;
            }
        }

        if (CHECK_MPZANY(y)) {
            mpfr_clear_flags();
            result->rc = mpfr_sub_z(result->f, MPFR(x), MPZ(y), GET_MPFR_ROUND(context));
            goto done;
        }

        if (IS_RATIONAL(y)) {
            MPQ_Object *tempy;

            if (!(tempy = GMPy_MPQ_From_Number(y, context))) {
                Py_DECREF((PyObject*)result);
                return NULL;
            }
            mpfr_clear_flags();
            result->rc = mpfr_sub_q(result->f, MPFR(x), tempy->q, GET_MPFR_ROUND(context));
            Py_DECREF((PyObject*)tempy);
            goto done;
        }

        if (PyFloat_Check(y)) {
            mpfr_clear_flags();
            result->rc = mpfr_sub_d(result->f, MPFR(x), PyFloat_AS_DOUBLE(y), GET_MPFR_ROUND(context));
            goto done;
        }
    }

    if (MPFR_Check(y)) {
        if (PyIntOrLong_Check(x)) {
            int error;
            long temp = GMPy_Integer_AsLongAndError(x, &error);
            if (!error) {
                mpfr_clear_flags();
                result->rc = mpfr_sub_si(result->f, MPFR(y), temp, GET_MPFR_ROUND(context));
                mpfr_neg(result->f, result->f, GET_MPFR_ROUND(context));
                goto done;
            }
            else {
                mpz_t tempz;
                mpz_inoc(tempz);
                mpz_set_PyIntOrLong(tempz, x);
                mpfr_clear_flags();
                result->rc = mpfr_sub_z(result->f, MPFR(y), tempz, GET_MPFR_ROUND(context));
                mpfr_neg(result->f, result->f, GET_MPFR_ROUND(context));
                mpz_cloc(tempz);
                goto done;
            }
        }

        if (CHECK_MPZANY(x)) {
            mpfr_clear_flags();
            result->rc = mpfr_sub_z(result->f, MPFR(y), MPZ(x), GET_MPFR_ROUND(context));
            mpfr_neg(result->f, result->f, GET_MPFR_ROUND(context));
            goto done;
        }

        if (IS_RATIONAL(x)) {
            MPQ_Object *tempx;

            if (!(tempx = GMPy_MPQ_From_Number(x, context))) {
                Py_DECREF((PyObject*)result);
                return NULL;
            }
            mpfr_clear_flags();
            result->rc = mpfr_sub_q(result->f, MPFR(y), tempx->q, GET_MPFR_ROUND(context));
            mpfr_neg(result->f, result->f, GET_MPFR_ROUND(context));
            Py_DECREF((PyObject*)tempx);
            goto done;
        }

        if (PyFloat_Check(x)) {
            mpfr_clear_flags();
            result->rc = mpfr_sub_d(result->f, MPFR(y), PyFloat_AS_DOUBLE(x), GET_MPFR_ROUND(context));
            mpfr_neg(result->f, result->f, GET_MPFR_ROUND(context));
            goto done;
        }
    }

    if (IS_REAL(x) && IS_REAL(y)) {
        MPFR_Object *tempx, *tempy;

        tempx = GMPy_MPFR_From_Real(x, 1, context);
        tempy = GMPy_MPFR_From_Real(y, 1, context);
        if (!tempx || !tempy) {
            Py_XDECREF((PyObject*)tempx);
            Py_XDECREF((PyObject*)tempy);
            Py_DECREF((PyObject*)result);
            return NULL;
        }
        mpfr_clear_flags();
        result->rc = mpfr_sub(result->f, MPFR(tempx), MPFR(tempy), GET_MPFR_ROUND(context));
        Py_DECREF((PyObject*)tempx);
        Py_DECREF((PyObject*)tempy);
        goto done;
    }

    Py_DECREF((PyObject*)result);
    Py_RETURN_NOTIMPLEMENTED;

  done:
    GMPY_MPFR_CLEANUP(result, context, "subtraction");
    return (PyObject*)result;
}
示例#15
0
static PyObject *
GMPy_Integer_FloorDiv(PyObject *x, PyObject *y, CTXT_Object *context)
{
    MPZ_Object *result;

    if (!(result = GMPy_MPZ_New(context)))
        return NULL;

    if (CHECK_MPZANY(x)) {
        if (PyIntOrLong_Check(y)) {
            int error;
            native_si temp = GMPy_Integer_AsNative_siAndError(y, &error);

            if (!error) {
                if (temp > 0) {
                    mpz_fdiv_q_ui(result->z, MPZ(x), temp);
                }
                else if (temp == 0) {
                    ZERO_ERROR("division or modulo by zero");
                    Py_DECREF((PyObject*)result);
                    return NULL;
                }
                else {
                    mpz_cdiv_q_ui(result->z, MPZ(x), -temp);
                    mpz_neg(result->z, result->z);
                }
            }
            else {
                mpz_set_PyIntOrLong(global.tempz, y);
                mpz_fdiv_q(result->z, MPZ(x), global.tempz);
            }
            return (PyObject*)result;
        }

        if (CHECK_MPZANY(y)) {
            if (mpz_sgn(MPZ(y)) == 0) {
                ZERO_ERROR("division or modulo by zero");
                Py_DECREF((PyObject*)result);
                return NULL;
            }
            mpz_fdiv_q(result->z, MPZ(x), MPZ(y));
            return (PyObject*)result;
        }
    }

    if (CHECK_MPZANY(y)) {
        if (mpz_sgn(MPZ(y)) == 0) {
            ZERO_ERROR("division or modulo by zero");
            Py_DECREF((PyObject*)result);
            return NULL;
        }

        if (PyIntOrLong_Check(x)) {
            mpz_set_PyIntOrLong(global.tempz, x);
            mpz_fdiv_q(result->z, global.tempz, MPZ(y));
            return (PyObject*)result;
        }
    }

    if (IS_INTEGER(x) && IS_INTEGER(y)) {
        MPZ_Object *tempx, *tempy;

        tempx = GMPy_MPZ_From_Integer(x, context);
        tempy = GMPy_MPZ_From_Integer(y, context);
        if (!tempx || !tempy) {
            Py_XDECREF((PyObject*)tempx);
            Py_XDECREF((PyObject*)tempy);
            Py_DECREF((PyObject*)result);
            return NULL;
        }
        if (mpz_sgn(tempy->z) == 0) {
            ZERO_ERROR("division or modulo by zero");
            Py_XDECREF((PyObject*)tempx);
            Py_XDECREF((PyObject*)tempy);
            Py_DECREF((PyObject*)result);
            return NULL;
        }

        mpz_fdiv_q(result->z, tempx->z, tempy->z);
        Py_DECREF((PyObject*)tempx);
        Py_DECREF((PyObject*)tempy);
        return (PyObject*)result;
    }

    Py_DECREF((PyObject*)result);
    Py_RETURN_NOTIMPLEMENTED;
}
示例#16
0
static PyObject *
GMPy_Real_FloorDiv(PyObject *x, PyObject *y, CTXT_Object *context)
{
    MPFR_Object *result;

    CHECK_CONTEXT(context);

    if (!(result = GMPy_MPFR_New(0, context))) {
        /* LCOV_EXCL_START */
        return NULL;
        /* LCOV_EXCL_STOP */
    }

    if (MPFR_Check(x)) {
        if (MPFR_Check(y)) {
            mpfr_clear_flags();

            result->rc = mpfr_div(result->f, MPFR(x), MPFR(y), GET_MPFR_ROUND(context));
            result->rc = mpfr_floor(result->f, result->f);
            goto done;
        }

        if (PyIntOrLong_Check(y)) {
            int error;
            long tempi = GMPy_Integer_AsLongAndError(y, &error);

            if (!error) {
                mpfr_clear_flags();

                result->rc = mpfr_div_si(result->f, MPFR(x), tempi, GET_MPFR_ROUND(context));
                result->rc = mpfr_floor(result->f, result->f);
                goto done;
            }
            else {
                mpz_set_PyIntOrLong(global.tempz, y);
                mpfr_clear_flags();

                result->rc = mpfr_div_z(result->f, MPFR(x), global.tempz, GET_MPFR_ROUND(context));
                result->rc = mpfr_floor(result->f, result->f);
                goto done;
            }
        }

        if (CHECK_MPZANY(y)) {
            mpfr_clear_flags();

            result->rc = mpfr_div_z(result->f, MPFR(x), MPZ(y), GET_MPFR_ROUND(context));
            result->rc = mpfr_floor(result->f, result->f);
            goto done;
        }

        if (IS_RATIONAL(y)) {
            MPQ_Object *tempy;

            if (!(tempy = GMPy_MPQ_From_Number(y, context))) {
                Py_DECREF((PyObject*)result);
                return NULL;
            }
            mpfr_clear_flags();

            result->rc = mpfr_div_q(result->f, MPFR(x), tempy->q, GET_MPFR_ROUND(context));
            result->rc = mpfr_floor(result->f, result->f);
            Py_DECREF((PyObject*)tempy);
            goto done;
        }

        if (PyFloat_Check(y)) {
            mpfr_clear_flags();

            result->rc = mpfr_div_d(result->f, MPFR(x), PyFloat_AS_DOUBLE(y), GET_MPFR_ROUND(context));
            result->rc = mpfr_floor(result->f, result->f);
            goto done;
        }
    }

    if (MPFR_Check(y)) {
        if (PyIntOrLong_Check(x)) {
            int error;
            long tempi = GMPy_Integer_AsLongAndError(x, &error);
            if (!error) {
                mpfr_clear_flags();

                result->rc = mpfr_si_div(result->f, tempi, MPFR(y), GET_MPFR_ROUND(context));
                result->rc = mpfr_floor(result->f, result->f);
                goto done;
            }
        }

        /* Since mpfr_z_div does not exist, this combination is handled at the
         * end by converting x to an mpfr. Ditto for rational.*/

        if (PyFloat_Check(x)) {
            mpfr_clear_flags();

            result->rc = mpfr_d_div(result->f, PyFloat_AS_DOUBLE(x), MPFR(y), GET_MPFR_ROUND(context));
            result->rc = mpfr_floor(result->f, result->f);
            goto done;
        }
    }

    /* Handle the remaining cases.
     * Note: verify that MPZ if converted at full precision! */

    if (IS_REAL(x) && IS_REAL(y)) {
        MPFR_Object *tempx, *tempy;

        tempx = GMPy_MPFR_From_Real(x, 1, context);
        tempy = GMPy_MPFR_From_Real(y, 1, context);
        if (!tempx || !tempy) {
            Py_XDECREF((PyObject*)tempx);
            Py_XDECREF((PyObject*)tempy);
            Py_DECREF((PyObject*)result);
            return NULL;
        }
        mpfr_clear_flags();

        result->rc = mpfr_div(result->f, MPFR(tempx), MPFR(tempy), GET_MPFR_ROUND(context));
        result->rc = mpfr_floor(result->f, result->f);
        Py_DECREF((PyObject*)tempx);
        Py_DECREF((PyObject*)tempy);
        goto done;
    }

    Py_DECREF((PyObject*)result);
    Py_RETURN_NOTIMPLEMENTED;

  done:
    _GMPy_MPFR_Cleanup(&result, context);
    return (PyObject*)result;
}
示例#17
0
static PyObject *
GMPy_Complex_Pow(PyObject *base, PyObject *exp, PyObject *mod, CTXT_Object *context)
{
    MPC_Object *tempb = NULL, *tempe = NULL, *result= NULL;
    MPFR_Object *tempf = NULL;
    MPZ_Object *tempz = NULL;

    if (mod != Py_None) {
        TYPE_ERROR("pow() 3rd argument not allowed unless all arguments are integers");
        return NULL;
    }

    CHECK_CONTEXT(context);

    result = GMPy_MPC_New(0, 0, context);
    tempb = GMPy_MPC_From_Complex(base, 1, 1, context);
    if (!result || !tempb) {
        goto err;
    }

    mpfr_clear_flags();

    if (PyIntOrLong_Check(exp)) {
        int error;
        long temp_exp = GMPy_Integer_AsLongAndError(exp, &error);
        
        if (!error) {
            result->rc = mpc_pow_si(result->c, tempb->c, temp_exp, GET_MPC_ROUND(context));
        }
        else {
            mpz_t tempzz;
            mpz_inoc(tempzz);
            mpz_set_PyIntOrLong(tempzz, exp);
            result->rc = mpc_pow_z(result->c, tempb->c, tempzz, GET_MPC_ROUND(context));
            mpz_cloc(tempzz);
        }
    }
    else if (IS_INTEGER(exp)) {
        if (!(tempz = GMPy_MPZ_From_Integer(exp, context))) {
            goto err;
        }
        result->rc = mpc_pow_z(result->c, tempb->c, tempz->z, GET_MPC_ROUND(context));
    }
    else if (IS_REAL(exp)) {
        if (!(tempf = GMPy_MPFR_From_Real(exp, 1, context))) {
            goto err;
        }
        result->rc = mpc_pow_fr(result->c, tempb->c, tempf->f, GET_MPC_ROUND(context));
    }
    else {
        if (!(tempe = GMPy_MPC_From_Complex(exp, 1, 1, context))) {
            goto err;
        }
        result->rc = mpc_pow(result->c, tempb->c, tempe->c, GET_MPC_ROUND(context));
    }

    GMPY_MPC_CLEANUP(result, context, "pow()");
    Py_XDECREF((PyObject*)tempz);
    Py_XDECREF((PyObject*)tempf);
    Py_XDECREF((PyObject*)tempe);
    Py_XDECREF((PyObject*)tempb);
    return (PyObject*)result;

  err:
    Py_XDECREF((PyObject*)result);
    Py_XDECREF((PyObject*)tempz);
    Py_XDECREF((PyObject*)tempf);
    Py_XDECREF((PyObject*)tempe);
    Py_XDECREF((PyObject*)tempb);
    return NULL;
}
示例#18
0
static PyObject *
GMPy_Real_Add(PyObject *x, PyObject *y, CTXT_Object *context)
{
    MPFR_Object *result;

    CHECK_CONTEXT(context);

    if (!(result = GMPy_MPFR_New(0, context)))
        return NULL;

    if (MPFR_Check(x) && MPFR_Check(y)) {
        mpfr_clear_flags();
        result->rc = mpfr_add(result->f, MPFR(x), MPFR(y), GET_MPFR_ROUND(context));
        goto done;
    }

    if (MPFR_Check(x)) {
        if (PyIntOrLong_Check(y)) {
            mpz_t tempz;
            long temp;
            int error;

            temp = GMPy_Integer_AsLongAndError(y, &error);
            
            if (error) {
                mpz_inoc(tempz);
                mpz_set_PyIntOrLong(tempz, y);
                mpfr_clear_flags();
                result->rc = mpfr_add_z(result->f, MPFR(x), tempz, GET_MPFR_ROUND(context));
                mpz_cloc(tempz);
                goto done;
            }
            else {
                mpfr_clear_flags();
                result->rc = mpfr_add_si(result->f, MPFR(x), temp, GET_MPFR_ROUND(context));
                goto done;
            }
        }

        if (CHECK_MPZANY(y)) {
            mpfr_clear_flags();
            result->rc = mpfr_add_z(result->f, MPFR(x), MPZ(y), GET_MPFR_ROUND(context));
            goto done;
        }

        if (IS_RATIONAL(y)) {
            MPQ_Object *tempy;

            if (!(tempy = GMPy_MPQ_From_Number(y, context))) {
                Py_DECREF((PyObject*)result);
                return NULL;
            }
            mpfr_clear_flags();
            result->rc = mpfr_add_q(result->f, MPFR(x), tempy->q, GET_MPFR_ROUND(context));
            Py_DECREF((PyObject*)tempy);
            goto done;
        }

        if (PyFloat_Check(y)) {
            mpfr_clear_flags();
            result->rc = mpfr_add_d(result->f, MPFR(x), PyFloat_AS_DOUBLE(y), GET_MPFR_ROUND(context));
            goto done;
        }
    }

    if (MPFR_Check(y)) {
        if (PyIntOrLong_Check(x)) {
            mpz_t tempz;
            long temp;
            int error;

            temp = GMPy_Integer_AsLongAndError(x, &error);
            if (error) {
                mpz_inoc(tempz);
                mpz_set_PyIntOrLong(tempz, x);
                mpfr_clear_flags();
                result->rc = mpfr_add_z(result->f, MPFR(y), tempz, GET_MPFR_ROUND(context));
                mpz_cloc(tempz);
                goto done;
            }
            else {
                mpfr_clear_flags();
                result->rc = mpfr_add_si(result->f, MPFR(y), temp, GET_MPFR_ROUND(context));
                goto done;
            }
        }

        if (CHECK_MPZANY(x)) {
            mpfr_clear_flags();
            result->rc = mpfr_add_z(result->f, MPFR(y), MPZ(x), GET_MPFR_ROUND(context));
            goto done;
        }

        if (IS_RATIONAL(x)) {
            MPQ_Object *tempx;

            if (!(tempx = GMPy_MPQ_From_Number(x, context))) {
                Py_DECREF((PyObject*)result);
                return NULL;
            }
            mpfr_clear_flags();
            result->rc = mpfr_add_q(result->f, MPFR(y), tempx->q, GET_MPFR_ROUND(context));
            Py_DECREF((PyObject*)tempx);
            goto done;
        }

        if (PyFloat_Check(x)) {
            mpfr_clear_flags();
            result->rc = mpfr_add_d(result->f, MPFR(y), PyFloat_AS_DOUBLE(x), GET_MPFR_ROUND(context));
            goto done;
        }
    }

    if (IS_REAL(x) && IS_REAL(y)) {
        MPFR_Object *tempx, *tempy;

        tempx = GMPy_MPFR_From_Real(x, 1, context);
        tempy = GMPy_MPFR_From_Real(y, 1, context);
        if (!tempx || !tempy) {
            Py_XDECREF((PyObject*)tempx);
            Py_XDECREF((PyObject*)tempy);
            Py_DECREF((PyObject*)result);
            return NULL;
        }
        mpfr_clear_flags();
        result->rc = mpfr_add(result->f, MPFR(tempx), MPFR(tempy), GET_MPFR_ROUND(context));
        Py_DECREF((PyObject*)tempx);
        Py_DECREF((PyObject*)tempy);
        goto done;
    }

    Py_DECREF((PyObject*)result);
    Py_RETURN_NOTIMPLEMENTED;

  done:
    GMPY_MPFR_CLEANUP(result, context, "addition");
    return (PyObject*)result;
}
示例#19
0
static PyObject *
GMPy_Integer_DivMod(PyObject *x, PyObject *y, CTXT_Object *context)
{
    PyObject *result;
    MPZ_Object *tempx, *tempy, *rem, *quo;
    mpz_t tempz;
    long temp;
    int error;

    result = PyTuple_New(2);
    rem = GMPy_MPZ_New(context);
    quo = GMPy_MPZ_New(context);
    if (!result || !rem || !quo) {
        Py_XDECREF((PyObject*)rem);
        Py_XDECREF((PyObject*)quo);
        Py_XDECREF(result);
        return NULL;
    }

    if (CHECK_MPZANY(x)) {
        if (PyIntOrLong_Check(y)) {
            temp = GMPy_Integer_AsLongAndError(y, &error);
            if (error) {
                mpz_inoc(tempz);
                mpz_set_PyIntOrLong(tempz, y);
                mpz_fdiv_qr(quo->z, rem->z, MPZ(x), tempz);
                mpz_cloc(tempz);
            }
            else if (temp > 0) {
                mpz_fdiv_qr_ui(quo->z, rem->z, MPZ(x), temp);
            }
            else if (temp == 0) {
                ZERO_ERROR("division or modulo by zero");
                Py_DECREF((PyObject*)rem);
                Py_DECREF((PyObject*)quo);
                Py_DECREF(result);
                return NULL;
            }
            else {
                mpz_cdiv_qr_ui(quo->z, rem->z, MPZ(x), -temp);
                mpz_neg(quo->z, quo->z);
            }
            PyTuple_SET_ITEM(result, 0, (PyObject*)quo);
            PyTuple_SET_ITEM(result, 1, (PyObject*)rem);
            return result;
        }
        
        if (CHECK_MPZANY(y)) {
            if (mpz_sgn(MPZ(y)) == 0) {
                ZERO_ERROR("division or modulo by zero");
                Py_DECREF((PyObject*)rem);
                Py_DECREF((PyObject*)quo);
                Py_DECREF(result);
                return NULL;
            }
            mpz_fdiv_qr(quo->z, rem->z, MPZ(x), MPZ(y));
            PyTuple_SET_ITEM(result, 0, (PyObject*)quo);
            PyTuple_SET_ITEM(result, 1, (PyObject*)rem);
            return result;
        }
    }

    if (CHECK_MPZANY(y) && PyIntOrLong_Check(x)) {
        if (mpz_sgn(MPZ(y)) == 0) {
            ZERO_ERROR("division or modulo by zero");
            Py_DECREF((PyObject*)rem);
            Py_DECREF((PyObject*)quo);
            Py_DECREF(result);
            return NULL;
        }
        mpz_inoc(tempz);
        mpz_set_PyIntOrLong(tempz, x);
        mpz_fdiv_qr(quo->z, rem->z, tempz, MPZ(y));
        mpz_cloc(tempz);
        PyTuple_SET_ITEM(result, 0, (PyObject*)quo);
        PyTuple_SET_ITEM(result, 1, (PyObject*)rem);
        return (PyObject*)result;
    }

    if (IS_INTEGER(x) && IS_INTEGER(y)) {
        tempx = GMPy_MPZ_From_Integer(x, context);
        tempy = GMPy_MPZ_From_Integer(y, context);
        if (!tempx || !tempy) {
            SYSTEM_ERROR("could not convert Integer to mpz");
            Py_XDECREF((PyObject*)tempx);
            Py_XDECREF((PyObject*)tempy);
            Py_DECREF((PyObject*)rem);
            Py_DECREF((PyObject*)quo);
            Py_DECREF(result);
            return NULL;
        }
        if (mpz_sgn(tempy->z) == 0) {
            ZERO_ERROR("division or modulo by zero");
            Py_XDECREF((PyObject*)tempx);
            Py_XDECREF((PyObject*)tempy);
            Py_DECREF((PyObject*)rem);
            Py_DECREF((PyObject*)quo);
            Py_DECREF(result);
            return NULL;
        }
        mpz_fdiv_qr(quo->z, rem->z, tempx->z, tempy->z);
        Py_DECREF((PyObject*)tempx);
        Py_DECREF((PyObject*)tempy);
        PyTuple_SET_ITEM(result, 0, (PyObject*)quo);
        PyTuple_SET_ITEM(result, 1, (PyObject*)rem);
        return result;
    }

    Py_DECREF((PyObject*)result);
    Py_RETURN_NOTIMPLEMENTED;
}
示例#20
0
static PyObject *
GMPy_Integer_Mul(PyObject *x, PyObject *y, CTXT_Object *context)
{
    MPZ_Object *result = NULL;

    if (!(result = GMPy_MPZ_New(context))) {
        /* LCOV_EXCL_START */
        return NULL;
        /* LCOV_EXCL_STOP */
    }

    if (MPZ_Check(x)) {
        if (PyIntOrLong_Check(y)) {
            int error;
            long temp = GMPy_Integer_AsLongAndError(y, &error);

            if (!error) {
                mpz_mul_si(result->z, MPZ(x), temp);
            }
            else {
                mpz_t tempz;
                mpz_inoc(tempz);
                mpz_set_PyIntOrLong(tempz, y);
                mpz_mul(result->z, MPZ(x), tempz);
                mpz_cloc(tempz);
            }
            return (PyObject*)result;
        }

        if (MPZ_Check(y)) {
            mpz_mul(result->z, MPZ(x), MPZ(y));
            return (PyObject*)result;
        }
    }

    if (MPZ_Check(y)) {
        if (PyIntOrLong_Check(x)) {
            int error;
            long temp = GMPy_Integer_AsLongAndError(x, &error);

            if (!error) {
                mpz_mul_si(result->z, MPZ(y), temp);
            }
            else {
                mpz_t tempz;
                mpz_inoc(tempz);
                mpz_set_PyIntOrLong(tempz, x);
                mpz_mul(result->z, MPZ(y), tempz);
                mpz_cloc(tempz);
            }
            return (PyObject*)result;
        }
    }

    if (IS_INTEGER(x) && IS_INTEGER(y)) {
        MPZ_Object *tempx = NULL, *tempy = NULL;

        if (!(tempx = GMPy_MPZ_From_Integer(x, context)) ||
            !(tempy = GMPy_MPZ_From_Integer(y, context))) {
            /* LCOV_EXCL_START */
            Py_XDECREF((PyObject*)tempx);
            Py_XDECREF((PyObject*)tempy);
            Py_DECREF((PyObject*)result);
            return NULL;
            /* LCOV_EXCL_STOP */
        }

        mpz_mul(result->z, tempx->z, tempy->z);
        Py_DECREF((PyObject*)tempx);
        Py_DECREF((PyObject*)tempy);
        return (PyObject*)result;
    }

    /* LCOV_EXCL_START */
    SYSTEM_ERROR("Internal error in GMPy_Integer_Mul().");
    Py_DECREF((PyObject*)result);
    return NULL;
    /* LCOV_EXCL_STOP */
}
示例#21
0
static PyObject *
GMPy_Real_Mul(PyObject *x, PyObject *y, CTXT_Object *context)
{
    MPFR_Object *result = NULL;

    CHECK_CONTEXT(context);

    if (!(result = GMPy_MPFR_New(0, context))) {
        /* LCOV_EXCL_START */
        return NULL;
        /* LCOV_EXCL_STOP */
    }

    if (MPFR_Check(x) && MPFR_Check(y)) {
        mpfr_clear_flags();
        result->rc = mpfr_mul(result->f, MPFR(x), MPFR(y), GET_MPFR_ROUND(context));
        goto done;
    }

    if (MPFR_Check(x)) {
        if (PyIntOrLong_Check(y)) {
            int error;
            long temp = GMPy_Integer_AsLongAndError(y, &error);

            if (!error) {
                mpfr_clear_flags();
                result->rc = mpfr_mul_si(result->f, MPFR(x), temp, GET_MPFR_ROUND(context));
                goto done;
            }
            else {
                mpz_t tempz;
                mpz_inoc(tempz);
                mpz_set_PyIntOrLong(tempz, y);
                mpfr_clear_flags();
                result->rc = mpfr_mul_z(result->f, MPFR(x), tempz, GET_MPFR_ROUND(context));
                mpz_cloc(tempz);
                goto done;
            }
        }

        if (CHECK_MPZANY(y)) {
            mpfr_clear_flags();
            result->rc = mpfr_mul_z(result->f, MPFR(x), MPZ(y), GET_MPFR_ROUND(context));
            goto done;
        }

        if (IS_RATIONAL(y)) {
            MPQ_Object *tempy = NULL;

            if (!(tempy = GMPy_MPQ_From_Number(y, context))) {
                /* LCOV_EXCL_START */
                Py_DECREF((PyObject*)result);
                return NULL;
                /* LCOV_EXCL_STOP */
            }

            mpfr_clear_flags();
            result->rc = mpfr_mul_q(result->f, MPFR(x), tempy->q, GET_MPFR_ROUND(context));
            Py_DECREF((PyObject*)tempy);
            goto done;
        }

        if (PyFloat_Check(y)) {
            mpfr_clear_flags();
            result->rc = mpfr_mul_d(result->f, MPFR(x), PyFloat_AS_DOUBLE(y), GET_MPFR_ROUND(context));
            goto done;
        }
    }

    if (MPFR_Check(y)) {
        if (PyIntOrLong_Check(x)) {
            int error;
            long temp = GMPy_Integer_AsLongAndError(x, &error);

            if (!error) {
                mpfr_clear_flags();
                result->rc = mpfr_mul_si(result->f, MPFR(y), temp, GET_MPFR_ROUND(context));
                goto done;
            }
            else {
                mpz_t tempz;
                mpz_inoc(tempz);
                mpz_set_PyIntOrLong(tempz, x);
                mpfr_clear_flags();
                result->rc = mpfr_mul_z(result->f, MPFR(y), tempz, GET_MPFR_ROUND(context));
                mpz_cloc(tempz);
                goto done;
            }
        }

        if (CHECK_MPZANY(x)) {
            mpfr_clear_flags();
            result->rc = mpfr_mul_z(result->f, MPFR(y), MPZ(x), GET_MPFR_ROUND(context));
            goto done;
        }

        if (IS_RATIONAL(x)) {
            MPQ_Object *tempx = NULL;

            if (!(tempx = GMPy_MPQ_From_Number(x, context))) {
                /* LCOV_EXCL_START */
                Py_DECREF((PyObject*)result);
                return NULL;
                /* LCOV_EXCL_STOP */
            }

            mpfr_clear_flags();
            result->rc = mpfr_mul_q(result->f, MPFR(y), tempx->q, GET_MPFR_ROUND(context));
            Py_DECREF((PyObject*)tempx);
            goto done;
        }

        if (PyFloat_Check(x)) {
            mpfr_clear_flags();
            result->rc = mpfr_mul_d(result->f, MPFR(y), PyFloat_AS_DOUBLE(x), GET_MPFR_ROUND(context));
            goto done;
        }
    }

    if (IS_REAL(x) && IS_REAL(y)) {
        MPFR_Object *tempx = NULL, *tempy = NULL;

        if (!(tempx = GMPy_MPFR_From_Real(x, 1, context)) ||
            !(tempy = GMPy_MPFR_From_Real(y, 1, context))) {
            /* LCOV_EXCL_START */
            Py_XDECREF((PyObject*)tempx);
            Py_XDECREF((PyObject*)tempy);
            Py_DECREF((PyObject*)result);
            return NULL;
            /* LCOV_EXCL_STOP */
        }

        mpfr_clear_flags();
        result->rc = mpfr_mul(result->f, MPFR(tempx), MPFR(tempy), GET_MPFR_ROUND(context));
        Py_DECREF((PyObject*)tempx);
        Py_DECREF((PyObject*)tempy);
        goto done;
    }

    /* LCOV_EXCL_START */
    Py_DECREF((PyObject*)result);
    SYSTEM_ERROR("Internal error in GMPy_Real_Mul().");
    return NULL;
    /* LCOV_EXCL_STOP */

  done:
    _GMPy_MPFR_Cleanup(&result, context);
    return (PyObject*)result;
}
示例#22
0
static PyObject *
GMPy_Integer_Mod(PyObject *x, PyObject *y, CTXT_Object *context)
{
    MPZ_Object *result;

    CHECK_CONTEXT(context);

    if (!(result = GMPy_MPZ_New(context)))
        return NULL;

    if (CHECK_MPZANY(x)) {
        if (PyIntOrLong_Check(y)) {
            int error;
            long temp = GMPy_Integer_AsLongAndError(y, &error);
            
            if (!error) {
                if (temp > 0) {
                    mpz_fdiv_r_ui(result->z, MPZ(x), temp);
                }
                else if (temp == 0) {
                    ZERO_ERROR("division or modulo by zero");
                    Py_DECREF((PyObject*)result);
                    return NULL;
                }
                else {
                    mpz_cdiv_r_ui(result->z, MPZ(x), -temp);
                }
            }
            else {
                mpz_t tempz;
                mpz_inoc(tempz);
                mpz_set_PyIntOrLong(tempz, y);
                mpz_fdiv_r(result->z, MPZ(x), tempz);
                mpz_cloc(tempz);
            }
            return (PyObject*)result;
        }
        
        if (CHECK_MPZANY(y)) {
            if (mpz_sgn(MPZ(y)) == 0) {
                ZERO_ERROR("division or modulo by zero");
                Py_DECREF((PyObject*)result);
                return NULL;
            }
            mpz_fdiv_r(result->z, MPZ(x), MPZ(y));
            return (PyObject*)result;
        }
    }

    if (CHECK_MPZANY(y)) {
        if (mpz_sgn(MPZ(y)) == 0) {
            ZERO_ERROR("division or modulo by zero");
            Py_DECREF((PyObject*)result);
            return NULL;
        }
        
        if (PyIntOrLong_Check(x)) {
            mpz_t tempz;
            mpz_inoc(tempz);
            mpz_set_PyIntOrLong(tempz, x);
            mpz_fdiv_r(result->z, tempz, MPZ(y));
            mpz_cloc(tempz);
            return (PyObject*)result;
        }
    }

    if (IS_INTEGER(x) && IS_INTEGER(y)) {
        MPZ_Object *tempx, *tempy;
        
        tempx = GMPy_MPZ_From_Integer(x, context);
        tempy = GMPy_MPZ_From_Integer(y, context);
        if (!tempx || !tempy) {
            SYSTEM_ERROR("could not convert Integer to mpz");
            Py_XDECREF((PyObject*)tempx);
            Py_XDECREF((PyObject*)tempy);
            Py_DECREF((PyObject*)result);
            return NULL;
        }
        if (mpz_sgn(tempy->z) == 0) {
            ZERO_ERROR("division or modulo by zero");
            Py_XDECREF((PyObject*)tempx);
            Py_XDECREF((PyObject*)tempy);
            Py_DECREF((PyObject*)result);
            return NULL;
        }
        mpz_fdiv_r(result->z, tempx->z, tempy->z);
        Py_DECREF((PyObject*)tempx);
        Py_DECREF((PyObject*)tempy);
        return (PyObject*)result;
    }

    Py_DECREF((PyObject*)result);
    Py_RETURN_NOTIMPLEMENTED;
}
示例#23
0
static PyObject *
GMPy_Integer_DivMod(PyObject *x, PyObject *y, CTXT_Object *context)
{
    PyObject *result = NULL;
    MPZ_Object *tempx = NULL, *tempy = NULL, *rem = NULL, *quo = NULL;

    if (!(result = PyTuple_New(2)) ||
        !(rem = GMPy_MPZ_New(context)) ||
        !(quo = GMPy_MPZ_New(context))) {

        /* LCOV_EXCL_START */
        goto error;
        /* LCOV_EXCL_STOP */
    }

    if (CHECK_MPZANY(x)) {
        if (PyIntOrLong_Check(y)) {
            int error;
            long temp = GMPy_Integer_AsLongAndError(y, &error);

            if (error) {
                mpz_t tempz;
                mpz_inoc(tempz);
                mpz_set_PyIntOrLong(tempz, y);
                mpz_fdiv_qr(quo->z, rem->z, MPZ(x), tempz);
                mpz_cloc(tempz);
            }
            else if (temp > 0) {
                mpz_fdiv_qr_ui(quo->z, rem->z, MPZ(x), temp);
            }
            else if (temp == 0) {
                ZERO_ERROR("division or modulo by zero");
                goto error;
            }
            else {
                mpz_cdiv_qr_ui(quo->z, rem->z, MPZ(x), -temp);
                mpz_neg(quo->z, quo->z);
            }
            PyTuple_SET_ITEM(result, 0, (PyObject*)quo);
            PyTuple_SET_ITEM(result, 1, (PyObject*)rem);
            return result;
        }

        if (CHECK_MPZANY(y)) {
            if (mpz_sgn(MPZ(y)) == 0) {
                ZERO_ERROR("division or modulo by zero");
                goto error;
            }
            mpz_fdiv_qr(quo->z, rem->z, MPZ(x), MPZ(y));
            PyTuple_SET_ITEM(result, 0, (PyObject*)quo);
            PyTuple_SET_ITEM(result, 1, (PyObject*)rem);
            return result;
        }
    }

    if (CHECK_MPZANY(y) && PyIntOrLong_Check(x)) {
        if (mpz_sgn(MPZ(y)) == 0) {
            ZERO_ERROR("division or modulo by zero");
            goto error;
        }
        else {
            mpz_t tempz;
            mpz_inoc(tempz);
            mpz_set_PyIntOrLong(tempz, x);
            mpz_fdiv_qr(quo->z, rem->z, tempz, MPZ(y));
            mpz_cloc(tempz);
            PyTuple_SET_ITEM(result, 0, (PyObject*)quo);
            PyTuple_SET_ITEM(result, 1, (PyObject*)rem);
            return (PyObject*)result;
        }
    }

    if (IS_INTEGER(x) && IS_INTEGER(y)) {

        if (!(tempx = GMPy_MPZ_From_Integer(x, context)) ||
            !(tempy = GMPy_MPZ_From_Integer(y, context))) {

            /* LCOV_EXCL_START */
            goto error;
            /* LCOV_EXCL_STOP */
        }
        if (mpz_sgn(tempy->z) == 0) {
            ZERO_ERROR("division or modulo by zero");
            goto error;
        }
        mpz_fdiv_qr(quo->z, rem->z, tempx->z, tempy->z);
        Py_DECREF((PyObject*)tempx);
        Py_DECREF((PyObject*)tempy);
        PyTuple_SET_ITEM(result, 0, (PyObject*)quo);
        PyTuple_SET_ITEM(result, 1, (PyObject*)rem);
        return result;
    }

    /* LCOV_EXCL_START */
    SYSTEM_ERROR("Internal error in GMPy_Integer_DivMod().");
    /* LCOV_EXCL_STOP */
  error:
    Py_XDECREF((PyObject*)tempx);
    Py_XDECREF((PyObject*)tempy);
    Py_XDECREF((PyObject*)rem);
    Py_XDECREF((PyObject*)quo);
    Py_XDECREF(result);
    return NULL;
}
示例#24
0
static PyObject *
GMPy_Integer_Add(PyObject *x, PyObject *y, CTXT_Object *context)
{
    MPZ_Object *result;

    if (!(result = GMPy_MPZ_New(context)))
        return NULL;

    if (CHECK_MPZANY(x)) {
        if (PyIntOrLong_Check(y)) {
            int error;
            long temp = GMPy_Integer_AsLongAndError(y, &error);

            if (!error) {
                if (temp >= 0) {
                    mpz_add_ui(result->z, MPZ(x), temp);
                }
                else {
                    mpz_sub_ui(result->z, MPZ(x), -temp);
                }
            }
            else {
                mpz_t tempz;
                mpz_inoc(tempz);
                mpz_set_PyIntOrLong(tempz, y);
                mpz_add(result->z, MPZ(x), tempz);
                mpz_cloc(tempz);
            }
            return (PyObject*)result;
        }

        if (CHECK_MPZANY(y)) {
            mpz_add(result->z, MPZ(x), MPZ(y));
            return (PyObject*)result;
        }
    }

    if (CHECK_MPZANY(y)) {
        if (PyIntOrLong_Check(x)) {
            int error;
            long temp = GMPy_Integer_AsLongAndError(x, &error);

            if (!error) {
                if (temp >= 0) {
                    mpz_add_ui(result->z, MPZ(y), temp);
                }
                else {
                    mpz_sub_ui(result->z, MPZ(y), -temp);
                }
                return (PyObject*)result;
            }
            else {
                mpz_t tempz;
                mpz_inoc(tempz);
                mpz_set_PyIntOrLong(tempz, x);
                mpz_add(result->z, MPZ(y), tempz);
                mpz_cloc(tempz);
                return (PyObject*)result;
            }
        }
    }

    if (IS_INTEGER(x) && IS_INTEGER(y)) {
        MPZ_Object *tempx, *tempy;

        tempx = GMPy_MPZ_From_Integer(x, context);
        tempy = GMPy_MPZ_From_Integer(y, context);
        if (!tempx || !tempy) {
            Py_XDECREF((PyObject*)tempx);
            Py_XDECREF((PyObject*)tempy);
            Py_DECREF((PyObject*)result);
            return NULL;
        }

        mpz_add(result->z, tempx->z, tempy->z);
        Py_DECREF((PyObject*)tempx);
        Py_DECREF((PyObject*)tempy);
        return (PyObject*)result;
    }

    Py_DECREF((PyObject*)result);
    Py_RETURN_NOTIMPLEMENTED;
}
示例#25
0
static PyObject *
GMPy_Real_Pow(PyObject *base, PyObject *exp, PyObject *mod, CTXT_Object *context)
{
    MPFR_Object *tempb = NULL, *tempe = NULL, *result = NULL;
    MPZ_Object *tempz = NULL;
    MPC_Object *mpc_result = NULL;

    if (mod != Py_None) {
        TYPE_ERROR("pow() 3rd argument not allowed unless all arguments are integers");
        return NULL;
    }

    CHECK_CONTEXT(context);

    result = GMPy_MPFR_New(0, context);
    tempb = GMPy_MPFR_From_Real(base, 1, context);
    if (!result || !tempb) {
        goto err;
    }

    mpfr_clear_flags();

    if (PyIntOrLong_Check(exp)) {
        int error;
        long temp_exp = GMPy_Integer_AsLongAndError(exp, &error);
        
        if (!error) {
            result->rc = mpfr_pow_si(result->f, tempb->f, temp_exp, GET_MPFR_ROUND(context));
        }
        else {
            mpz_t tempzz;
            mpz_inoc(tempzz);
            mpz_set_PyIntOrLong(tempzz, exp);
            result->rc = mpfr_pow_z(result->f, tempb->f, tempzz, GET_MPFR_ROUND(context));
            mpz_cloc(tempzz);
        }
    }
    else if (IS_INTEGER(exp)) {
        if (!(tempz = GMPy_MPZ_From_Integer(exp, context))) {
            goto err;
        }
        result->rc = mpfr_pow_z(result->f, tempb->f, tempz->z, GET_MPFR_ROUND(context));
    }
    else {
        if (!(tempe = GMPy_MPFR_From_Real(exp, 1, context))) {
            goto err;
        }
        result->rc = mpfr_pow(result->f, tempb->f, tempe->f, GET_MPFR_ROUND(context));
    }

    /* If the result is NaN, check if a complex result works. */
    if (result && mpfr_nanflag_p() && context->ctx.allow_complex) {
        mpc_result = (MPC_Object*)GMPy_Complex_Pow(base, exp, Py_None, context);
        if (!mpc_result || MPC_IS_NAN_P(mpc_result)) {
            Py_XDECREF((PyObject*)mpc_result);
            context->ctx.invalid = 1;
            GMPY_INVALID("pow() invalid operation");
            goto err;
        }
        /* return a valid complex result */
        Py_XDECREF((PyObject*)tempe);
        Py_XDECREF((PyObject*)tempz);
        Py_XDECREF((PyObject*)tempb);
        Py_XDECREF((PyObject*)result);
        return (PyObject*)mpc_result;
    }

    GMPY_MPFR_CLEANUP(result, context, "pow()");
    Py_XDECREF((PyObject*)tempz);
    Py_XDECREF((PyObject*)tempe);
    Py_XDECREF((PyObject*)tempb);
    return (PyObject*)result;

  err:
    Py_XDECREF((PyObject*)result);
    Py_XDECREF((PyObject*)tempz);
    Py_XDECREF((PyObject*)tempe);
    Py_XDECREF((PyObject*)tempb);
    return NULL;
}