root/platform/unix/MathUtilsSolaris.cpp

DEFINITIONS

1. abs
2. acos
3. asin
4. atan
5. atan2
6. ceil
7. cos
8. exp
9. floor
10. frexp
11. log
12. mod
13. powInternal
14. sin
15. sqrt
16. tan

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is [Open Source Virtual Machine.].
 *
 * The Initial Developer of the Original Code is
 * Adobe System Incorporated.
 * Portions created by the Initial Developer are Copyright (C) 2004-2006
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Adobe AS3 Team
 *   leon.sha@sun.com
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include <math.h>

#include "avmplus.h"

#ifndef PI
#define PI 3.141592653589793
#endif

namespace avmplus
{
        // todo need asm versions from Player
        
        double MathUtils::abs(double value)
        {
                return ::fabs(value);
        }
        
        double MathUtils::acos(double value)
        {
                double result = ::acos(value);
                if(result == 0 && (value > 1 || value < -1)) {
                        return MathUtils::nan();
                }
                return result;
        }
        
        double MathUtils::asin(double value)
        {
                double result = ::asin(value);
                if(result == 0 && (value > 1 || value < -1)) {
                        return MathUtils::nan();
                }
                return result;
        }
        
        double MathUtils::atan(double value)
        {
                return ::atan(value);
        }

        double MathUtils::atan2(double y, double x)
        {
                double result = ::atan2(y, x);
                if(result !=0 )
                        return result;

                if (MathUtils::isNegZero(y) && MathUtils::isNegZero(x))
                        return -PI;
                else if(y == 0 && MathUtils::isNegZero(x))
                        return PI;
                else if(x == 0 && MathUtils::isNegZero(y))
                        return y;
                else if(x == 0 && y == 0)
                        return y;
                return result;
        }
        
        double MathUtils::ceil(double value)
        {
                return ::ceil(value);
        }

        double MathUtils::cos(double value)
        {
                return ::cos(value);
        }
        
        double MathUtils::exp(double value)
        {
                return ::exp(value);
        }

        double MathUtils::floor(double value)
        {
                return ::floor(value);
        }

        uint64 MathUtils::frexp(double value, int *eptr)
        {
                double fracMantissa = ::frexp(value, eptr);

                // correct mantissa and eptr to get integer values
                //  for both
                *eptr -= 53; // 52 mantissa bits + the hidden bit
                return (uint64)(fracMantissa * (double)(1LL << 53));
        }
        
        double MathUtils::log(double value)
        {
                if( value >= 0 )
                        return ::log(value);
                else
                        return MathUtils::nan();
        }

        double MathUtils::mod(double x, double y)
        {
                return ::fmod(x, y);
        }

        double MathUtils::powInternal(double x, double y)
        {
                return ::pow(x, y);
        }
        
        double MathUtils::sin(double value)
        {
                return ::sin(value);
        }

        double MathUtils::sqrt(double value)
        {
                return ::sqrt(value);
        }

        double MathUtils::tan(double value)
        {
                return ::tan(value);
        }
}