summaryrefslogtreecommitdiff
path: root/third_party/libopenjpeg20/opj_intmath.h
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/libopenjpeg20/opj_intmath.h')
-rw-r--r--third_party/libopenjpeg20/opj_intmath.h198
1 files changed, 0 insertions, 198 deletions
diff --git a/third_party/libopenjpeg20/opj_intmath.h b/third_party/libopenjpeg20/opj_intmath.h
deleted file mode 100644
index 4e299469de..0000000000
--- a/third_party/libopenjpeg20/opj_intmath.h
+++ /dev/null
@@ -1,198 +0,0 @@
-/*
- * The copyright in this software is being made available under the 2-clauses
- * BSD License, included below. This software may be subject to other third
- * party and contributor rights, including patent rights, and no such rights
- * are granted under this license.
- *
- * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
- * Copyright (c) 2002-2014, Professor Benoit Macq
- * Copyright (c) 2001-2003, David Janssens
- * Copyright (c) 2002-2003, Yannick Verschueren
- * Copyright (c) 2003-2007, Francois-Olivier Devaux
- * Copyright (c) 2003-2014, Antonin Descampe
- * Copyright (c) 2005, Herve Drolon, FreeImage Team
- * 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.
- */
-#ifndef __INT_H
-#define __INT_H
-/**
-@file opj_intmath.h
-@brief Implementation of operations on integers (INT)
-
-The functions in OPJ_INTMATH.H have for goal to realize operations on integers.
-*/
-
-/** @defgroup OPJ_INTMATH OPJ_INTMATH - Implementation of operations on integers */
-/*@{*/
-
-/** @name Exported functions (see also openjpeg.h) */
-/*@{*/
-/* ----------------------------------------------------------------------- */
-/**
-Get the minimum of two integers
-@return Returns a if a < b else b
-*/
-static INLINE OPJ_INT32 opj_int_min(OPJ_INT32 a, OPJ_INT32 b) {
- return a < b ? a : b;
-}
-
-/**
-Get the minimum of two integers
-@return Returns a if a < b else b
-*/
-static INLINE OPJ_UINT32 opj_uint_min(OPJ_UINT32 a, OPJ_UINT32 b) {
- return a < b ? a : b;
-}
-
-/**
-Get the maximum of two integers
-@return Returns a if a > b else b
-*/
-static INLINE OPJ_INT32 opj_int_max(OPJ_INT32 a, OPJ_INT32 b) {
- return (a > b) ? a : b;
-}
-
-/**
-Get the maximum of two integers
-@return Returns a if a > b else b
-*/
-static INLINE OPJ_UINT32 opj_uint_max(OPJ_UINT32 a, OPJ_UINT32 b) {
- return (a > b) ? a : b;
-}
-
-/**
- Get the saturated sum of two unsigned integers
- @return Returns saturated sum of a+b
- */
-static INLINE OPJ_UINT32 opj_uint_adds(OPJ_UINT32 a, OPJ_UINT32 b) {
- OPJ_UINT64 sum = (OPJ_UINT64)a + (OPJ_UINT64)b;
- return -(OPJ_UINT32)(sum >> 32) | (OPJ_UINT32)sum;
-}
-
-/**
-Clamp an integer inside an interval
-@return
-<ul>
-<li>Returns a if (min < a < max)
-<li>Returns max if (a > max)
-<li>Returns min if (a < min)
-</ul>
-*/
-static INLINE OPJ_INT32 opj_int_clamp(OPJ_INT32 a, OPJ_INT32 min, OPJ_INT32 max) {
- if (a < min)
- return min;
- if (a > max)
- return max;
- return a;
-}
-/**
-@return Get absolute value of integer
-*/
-static INLINE OPJ_INT32 opj_int_abs(OPJ_INT32 a) {
- return a < 0 ? -a : a;
-}
-/**
-Divide an integer and round upwards
-@return Returns a divided by b
-*/
-static INLINE OPJ_INT32 opj_int_ceildiv(OPJ_INT32 a, OPJ_INT32 b) {
- assert(b);
- return (a + b - 1) / b;
-}
-
-/**
-Divide an integer and round upwards
-@return Returns a divided by b
-*/
-static INLINE OPJ_UINT32 opj_uint_ceildiv(OPJ_UINT32 a, OPJ_UINT32 b) {
- assert(b);
- return (a + b - 1) / b;
-}
-
-/**
-Divide an integer by a power of 2 and round upwards
-@return Returns a divided by 2^b
-*/
-static INLINE OPJ_INT32 opj_int_ceildivpow2(OPJ_INT32 a, OPJ_INT32 b) {
- return (OPJ_INT32)((a + (OPJ_INT64)(1 << b) - 1) >> b);
-}
-/**
-Divide an integer by a power of 2 and round downwards
-@return Returns a divided by 2^b
-*/
-static INLINE OPJ_INT32 opj_int_floordivpow2(OPJ_INT32 a, OPJ_INT32 b) {
- return a >> b;
-}
-/**
-Get logarithm of an integer and round downwards
-@return Returns log2(a)
-*/
-static INLINE OPJ_INT32 opj_int_floorlog2(OPJ_INT32 a) {
- OPJ_INT32 l;
- for (l = 0; a > 1; l++) {
- a >>= 1;
- }
- return l;
-}
-/**
-Get logarithm of an integer and round downwards
-@return Returns log2(a)
-*/
-static INLINE OPJ_UINT32 opj_uint_floorlog2(OPJ_UINT32 a) {
- OPJ_UINT32 l;
- for (l = 0; a > 1; ++l)
- {
- a >>= 1;
- }
- return l;
-}
-
-/**
-Multiply two fixed-precision rational numbers.
-@param a
-@param b
-@return Returns a * b
-*/
-static INLINE OPJ_INT32 opj_int_fix_mul(OPJ_INT32 a, OPJ_INT32 b) {
- OPJ_INT64 temp = (OPJ_INT64) a * (OPJ_INT64) b ;
- temp += 4096;
- assert((temp >> 13) <= (OPJ_INT64)0x7FFFFFFF);
- assert((temp >> 13) >= (-(OPJ_INT64)0x7FFFFFFF - (OPJ_INT64)1));
- return (OPJ_INT32) (temp >> 13);
-}
-
-static INLINE OPJ_INT32 opj_int_fix_mul_t1(OPJ_INT32 a, OPJ_INT32 b) {
- OPJ_INT64 temp = (OPJ_INT64) a * (OPJ_INT64) b ;
- temp += 4096;
- assert((temp >> (13 + 11 - T1_NMSEDEC_FRACBITS)) <= (OPJ_INT64)0x7FFFFFFF);
- assert((temp >> (13 + 11 - T1_NMSEDEC_FRACBITS)) >= (-(OPJ_INT64)0x7FFFFFFF - (OPJ_INT64)1));
- return (OPJ_INT32) (temp >> (13 + 11 - T1_NMSEDEC_FRACBITS)) ;
-}
-
-/* ----------------------------------------------------------------------- */
-/*@}*/
-
-/*@}*/
-
-#endif