fix.h

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/*
This program is distributed under the terms of the 'MIT license'. The text
of this licence follows...

Copyright (c) 2004-2005 J.D.Medhurst (a.k.a. Tixy)

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/

#ifndef FIX_H
#define FIX_H

typedef int32_t fix;

typedef uint32_t ufix;

typedef fix fixangle;


class Fix
    {
public:
    static fix Add(fix a,fix b);

    static fix Sub(fix a,fix b);

    static fix Mul(fix a,fix b);

    static fix MulNS(fix a,fix b);

    static fix Div(fix a,fix b);

    static fix Sqrt(ufix a);

    static fix Log2(ufix a);

    static ufix Exp2(fix a);

    static fix Sin(fixangle angle);

    static fix Cos(fixangle angle);

    static fix Tan(fixangle angle);

    static fixangle ASin(fix value);

    static fixangle ACos(fix value);

    static fixangle ATan(fix value);

    static fix Random(uint32_t& seed);

    static ufix Random(uint32_t& seed,ufix range);
    };

 // End of group

#endif