{#     Copyright 2021, Kay Hayen, mailto:kay.hayen@gmail.com                    #}
{#                                                                              #}
{#     Part of "Nuitka", an optimizing Python compiler that is compatible and   #}
{#     integrates with CPython, but also works on its own.                      #}
{#                                                                              #}
{#     Licensed under the Apache License, Version 2.0 (the "License");          #}
{#     you may not use this file except in compliance with the License.         #}
{#     You may obtain a copy of the License at                                  #}
{#                                                                              #}
{#        http://www.apache.org/licenses/LICENSE-2.0                            #}
{#                                                                              #}
{#     Unless required by applicable law or agreed to in writing, software      #}
{#     distributed under the License is distributed on an "AS IS" BASIS,        #}
{#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #}
{#     See the License for the specific language governing permissions and      #}
{#     limitations under the License.                                           #}
{#                                                                              #}
static {{target.getTypeDecl()}} COMPARE_{{op_code}}_{{target.getHelperCodeName()}}_{{left.getHelperCodeName()}}_{{right.getHelperCodeName()}}({{left.getVariableDecl("operand1")}}, {{right.getVariableDecl("operand2")}}) {
    {{left.getCheckValueCode("operand1")}}
    {{right.getCheckValueCode("operand2")}}

    PyLongObject *a = (PyLongObject *)operand1;
    PyLongObject *b = (PyLongObject *)operand2;


    bool r;


{% if operand == "==" %}
    if (a == b) {
        r = true;
    } else if (Py_SIZE(a) != Py_SIZE(b)) {
        r = false;
    } else {
        Py_ssize_t i = Py_ABS(Py_SIZE(a));
        r = true;
        while (--i >= 0) {
            if (a->ob_digit[i] != b->ob_digit[i]) {
                r = false;
                break;
            }
        }
    }
{% elif operand == "!=" %}
    if (a == b) {
        r = false;
    } else if (Py_SIZE(a) != Py_SIZE(b)) {
        r = true;
    } else {
        Py_ssize_t i = Py_ABS(Py_SIZE(a));
        r = false;
        while (--i >= 0) {
            if (a->ob_digit[i] != b->ob_digit[i]) {
                r = true;
                break;
            }
        }
    }
{% elif operand == "<=" %}
    if (a == b) {
        r = true;
    } else if (Py_SIZE(a) != Py_SIZE(b)) {
        r = Py_SIZE(a) - Py_SIZE(b) < 0;
    } else {
        Py_ssize_t i = Py_ABS(Py_SIZE(a));
        r = true;
        while (--i >= 0) {
            if (a->ob_digit[i] != b->ob_digit[i]) {
                r = a->ob_digit[i] < b->ob_digit[i];
                if (Py_SIZE(a) < 0) r = !r;
                break;
            }
        }
    }
{% elif operand == ">=" %}
    if (a == b) {
        r = true;
    } else if (Py_SIZE(a) != Py_SIZE(b)) {
        r = Py_SIZE(a) - Py_SIZE(b) > 0;
    } else {
        Py_ssize_t i = Py_ABS(Py_SIZE(a));
        r = true;
        while (--i >= 0) {
            if (a->ob_digit[i] != b->ob_digit[i]) {
                r = a->ob_digit[i] > b->ob_digit[i];
                if (Py_SIZE(a) < 0) r = !r;
                break;
            }
        }
    }
{% elif operand == "<" %}
    if (a == b) {
        r = false;
    } else if (Py_SIZE(a) != Py_SIZE(b)) {
        r = Py_SIZE(a) - Py_SIZE(b) < 0;
    } else {
        Py_ssize_t i = Py_ABS(Py_SIZE(a));
        r = false;
        while (--i >= 0) {
            if (a->ob_digit[i] != b->ob_digit[i]) {
                r = a->ob_digit[i] < b->ob_digit[i];
                if (Py_SIZE(a) < 0) r = !r;
                break;
            }
        }
    }
{% elif operand == ">" %}
    if (a == b) {
        r = false;
    } else if (Py_SIZE(a) != Py_SIZE(b)) {
        r = Py_SIZE(a) - Py_SIZE(b) > 0;
    } else {
        Py_ssize_t i = Py_ABS(Py_SIZE(a));
        r = false;
        while (--i >= 0) {
            if (a->ob_digit[i] != b->ob_digit[i]) {
                r = a->ob_digit[i] > b->ob_digit[i];
                if (Py_SIZE(a) < 0) r = !r;
                break;
            }
        }
    }
{% else %}
# error unknown operand {{operand}}
{% endif %}

    // Convert to target type.
    {{target.getTypeDecl()}} result = {{target.getToValueFromBoolExpression("r")}};
    {{target.getTakeReferenceStatement("result")}}
    return result;
}
