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Diffstat (limited to 'libopenjpeg/int.c')
| -rw-r--r-- | libopenjpeg/int.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/libopenjpeg/int.c b/libopenjpeg/int.c deleted file mode 100644 index 283df097..00000000 --- a/libopenjpeg/int.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * Copyright (c) 2001-2002, David Janssens - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -/* - * Get the minimum of two integers. - * - * returns a if a < b else b - */ -int int_min(int a, int b) -{ - return a < b ? a : b; -} - -/* - * Get the maximum of two integers. - * - * returns a if a > b else b - */ -int int_max(int a, int b) -{ - return a > b ? a : b; -} - -/* - * Clamp an integer inside an interval. - * - * return a if (min < a < max) - * return max if (a > max) - * return min if (a < min) - */ -int int_clamp(int a, int min, int max) -{ - if (a < min) - return min; - if (a > max) - return max; - return a; -} - -/* - * Get absolute value of integer. - */ -int int_abs(int a) -{ - return a < 0 ? -a : a; -} - -/* - * Divide an integer and round upwards. - * - * a divided by b - */ -int int_ceildiv(int a, int b) -{ - return (a + b - 1) / b; -} - -/* - * Divide an integer by a power of 2 and round upwards. - * - * a divided by 2^b - */ -int int_ceildivpow2(int a, int b) -{ - return (a + (1 << b) - 1) >> b; -} - -/* - * Divide an integer by a power of 2 and round downwards. - * - * a divided by 2^b - */ -int int_floordivpow2(int a, int b) -{ - return a >> b; -} - -/* - * Get logarithm of an integer and round downwards. - * - * log2(a) - */ -int int_floorlog2(int a) -{ - int l; - for (l = 0; a > 1; l++) { - a >>= 1; - } - return l; -} |
