include/common/SC_BoundsMacros.h

   1 /*
   2         SuperCollider real time audio synthesis system
   3     Copyright (c) 2002 James McCartney. All rights reserved.
   4         http://www.audiosynth.com
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
  19 */
  20
  21 #ifndef _SC_BoundsMacros_
  22 #define _SC_BoundsMacros_
  23
  24 #include <cstdlib>              /* std::abs */
  25 #include <cmath>                /* std::abs */
  26 #include <algorithm>
  27
  28 #define sc_abs(a) std::abs(a)
  29 #define sc_max(a,b) (((a) > (b)) ? (a) : (b))
  30 #define sc_min(a,b) (((a) < (b)) ? (a) : (b))
  31
  32 template <typename T, typename U, typename V>
  33 inline T sc_clip(T x, U lo, V hi)
  34 {
  35     return std::max(std::min(x, (T)hi), (T)lo);
  36 }
  37
  38 #endif