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- // -*- c-basic-offset: 2 -*-
- /*
- * This file is part of the KDE libraries
- * Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
- #ifndef _KJS_OPERATIONS_H_
- #define _KJS_OPERATIONS_H_
-
- #include "value.h"
-
- namespace KJS {
-
- class ExecState;
-
- /**
- * @return True if d is not a number (platform support required).
- */
- bool isNaN(double d);
- /**
- * @return True if d is infinite (platform support required).
- */
- bool isInf(double d);
- bool isPosInf(double d);
- bool isNegInf(double d);
- bool equal(ExecState *exec, const Value& v1, const Value& v2);
- bool strictEqual(ExecState *exec, const Value &v1, const Value &v2);
- /**
- * This operator performs an abstract relational comparison of the two
- * arguments that can be of arbitrary type. If possible, conversions to the
- * string or number type will take place before the comparison.
- *
- * @return 1 if v1 is "less-than" v2, 0 if the relation is "greater-than-or-
- * equal". -1 if the result is undefined.
- */
- int relation(ExecState *exec, const Value& v1, const Value& v2);
- int maxInt(int d1, int d2);
- int minInt(int d1, int d2);
- /**
- * Additive operator. Either performs an addition or substraction of v1
- * and v2.
- * @param exec execution state.
- * @param v1 First operand.
- * @param v2 Second operand.
- * @param oper '+' or '-' for an addition or substraction, respectively.
- * @return The result of the operation.
- */
- Value add(ExecState *exec, const Value &v1, const Value &v2, char oper);
- /**
- * Multiplicative operator. Either multiplies/divides v1 and v2 or
- * calculates the remainder from an division.
- * @param exec execution state.
- * @param v1 First operand.
- * @param v2 Second operand.
- * @param oper '*', '/' or '%' for a multiplication, division or
- * modulo operation.
- * @return The result of the operation.
- */
- Value mult(ExecState *exec, const Value &v1, const Value &v2, char oper);
-
- }
-
- #endif
-