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  1. /*
  2.  * Copyright (c) 2001-2002, David Janssens
  3.  * Copyright (c) 2003, Yannick Verschueren
  4.  * Copyright (c) 2003, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
  5.  * All rights reserved.
  6.  *
  7.  * Redistribution and use in source and binary forms, with or without
  8.  * modification, are permitted provided that the following conditions
  9.  * are met:
  10.  * 1. Redistributions of source code must retain the above copyright
  11.  *    notice, this list of conditions and the following disclaimer.
  12.  * 2. Redistributions in binary form must reproduce the above copyright
  13.  *    notice, this list of conditions and the following disclaimer in the
  14.  *    documentation and/or other materials provided with the distribution.
  15.  *
  16.  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  17.  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18.  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19.  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  20.  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21.  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22.  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23.  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24.  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25.  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  26.  * POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. #ifndef __INT_H
  30. #define __INT_H
  31.  
  32. int int_min(int a, int b);
  33. int int_max(int a, int b);
  34. int int_clamp(int a, int min, int max);
  35. int int_abs(int a);
  36. int int_ceildiv(int a, int b);
  37. int int_ceildivpow2(int a, int b);
  38. int int_floordivpow2(int a, int b);
  39. int int_floorlog2(int a);
  40.  
  41. #endif
  42.