fix.h

Go to the documentation of this file.
00001 /*
00002 This program is distributed under the terms of the 'MIT license'. The text
00003 of this licence follows...
00004 
00005 Copyright (c) 2004-2005 J.D.Medhurst (a.k.a. Tixy)
00006 
00007 Permission is hereby granted, free of charge, to any person obtaining a copy
00008 of this software and associated documentation files (the "Software"), to deal
00009 in the Software without restriction, including without limitation the rights
00010 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00011 copies of the Software, and to permit persons to whom the Software is
00012 furnished to do so, subject to the following conditions:
00013 
00014 The above copyright notice and this permission notice shall be included in
00015 all copies or substantial portions of the Software.
00016 
00017 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00018 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00019 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
00020 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00021 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00022 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00023 THE SOFTWARE.
00024 */
00025 
00032 #ifndef FIX_H
00033 #define FIX_H
00034 
00111 typedef int32_t fix;
00112 
00121 typedef uint32_t ufix;
00122 
00145 typedef fix fixangle;
00146 
00147 
00160 class Fix
00161     {
00162 public:
00183     static fix Add(fix a,fix b);
00184 
00205     static fix Sub(fix a,fix b);
00206 
00228     static fix Mul(fix a,fix b);
00229 
00248     static fix MulNS(fix a,fix b);
00249 
00273     static fix Div(fix a,fix b);
00274 
00282     static fix Sqrt(ufix a);
00283 
00293     static fix Log2(ufix a);
00294 
00304     static ufix Exp2(fix a);
00305 
00314     static fix Sin(fixangle angle);
00315 
00324     static fix Cos(fixangle angle);
00325 
00336     static fix Tan(fixangle angle);
00337 
00348     static fixangle ASin(fix value);
00349 
00360     static fixangle ACos(fix value);
00361 
00370     static fixangle ATan(fix value);
00371 
00382     static fix Random(uint32_t& seed);
00383 
00395     static ufix Random(uint32_t& seed,ufix range);
00396     };
00397 
00398  // End of group
00400 
00401 #endif
00402 

Generated by  doxygen 1.6.1