2 * Copyright (c) 2001-2002, David Janssens
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33 * Get the minimum of two integers.
35 * returns a if a < b else b
37 int int_min(int a, int b);
40 * Get the maximum of two integers.
42 * returns a if a > b else b
44 int int_max(int a, int b);
47 * Clamp an integer inside an interval.
49 * return a if (min < a < max)
50 * return max if (a > max)
51 * return min if (a < min)
53 int int_clamp(int a, int min, int max);
56 * Get absolute value of integer.
61 * Divide an integer and round upwards.
65 int int_ceildiv(int a, int b);
68 * Divide an integer by a power of 2 and round upwards.
72 LIBJ2K_API int int_ceildivpow2(int a, int b);
75 * Divide an integer by a power of 2 and round downwards.
79 LIBJ2K_API int int_floordivpow2(int a, int b);
82 * Get logarithm of an integer and round downwards.
86 int int_floorlog2(int a);