2 Copyright (C) 2004-2011 Parallel Realities
3 Copyright (C) 2011-2015 Perpendicular Dimensions
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License
7 as published by the Free Software Foundation; either version 2
8 of the License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
14 See the GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 void Math::limitChar(signed char *in, int low, int high)
32 void Math::limitChar(unsigned char *in, int low, int high)
40 void Math::limitInt(int *in, int low, int high)
48 void Math::limitFloat(float *in, float low, float high)
56 void Math::wrapChar(signed char *in, signed char low, signed char high)
64 void Math::wrapInt(int *in, int low, int high)
72 void Math::wrapFloat(float *in, float low, float high)
86 ix = 16807 * (ix - k1 * 127773) - k1 * 2836;
98 long Math::rrand(int min, int max)
104 if ((max - min) == 0)
109 return r += prand() % (max - min);
112 void Math::addBit(long *currentBits, long newBits)
114 if (!(*currentBits & newBits))
115 *currentBits += newBits;
118 void Math::removeBit(long *currentBits, long oldBits)
120 if (*currentBits & oldBits)
121 *currentBits -= oldBits;
124 void Math::calculateSlope(float x, float y, float x2, float y2, float *dx, float *dy)
126 int steps = (int)max(fabs(x - x2), fabs(y - y2));
140 char *Math::formatTime(int t)
142 static char time[1024];
146 int hours = t / 3600;
147 int minutes = (t % 3600) / 60;
148 int seconds = (t % 60);
150 snprintf(time, sizeof time, "%dh %dm %ds", hours, minutes, seconds);