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author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2006-08-19 03:12:28 +0000 |
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committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2006-08-19 03:12:28 +0000 |
commit | 1fd361a1ea06e44286c213ca1f814f49306fdc43 (patch) | |
tree | 64c8c96cf54d8718847339a403e5e67b922e8c3f /converter/other/jpeg2000/libjasper/jpc/jpc_fix.h | |
download | netpbm-mirror-1fd361a1ea06e44286c213ca1f814f49306fdc43.tar.gz netpbm-mirror-1fd361a1ea06e44286c213ca1f814f49306fdc43.tar.xz netpbm-mirror-1fd361a1ea06e44286c213ca1f814f49306fdc43.zip |
Create Subversion repository
git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@1 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'converter/other/jpeg2000/libjasper/jpc/jpc_fix.h')
-rw-r--r-- | converter/other/jpeg2000/libjasper/jpc/jpc_fix.h | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/converter/other/jpeg2000/libjasper/jpc/jpc_fix.h b/converter/other/jpeg2000/libjasper/jpc/jpc_fix.h new file mode 100644 index 00000000..5ff0c9f8 --- /dev/null +++ b/converter/other/jpeg2000/libjasper/jpc/jpc_fix.h @@ -0,0 +1,193 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer Software License + * + * IMAGE POWER JPEG-2000 PUBLIC LICENSE + * ************************************ + * + * GRANT: + * + * Permission is hereby granted, free of charge, to any person (the "User") + * obtaining a copy of this software and associated documentation, to deal + * in the JasPer Software without restriction, including without limitation + * the right to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the JasPer Software (in source and binary forms), + * and to permit persons to whom the JasPer Software is furnished to do so, + * provided further that the License Conditions below are met. + * + * License Conditions + * ****************** + * + * A. Redistributions of source code must retain the above copyright notice, + * and this list of conditions, and the following disclaimer. + * + * B. Redistributions in binary form must reproduce the above copyright + * notice, and this list of conditions, and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * C. Neither the name of Image Power, Inc. nor any other contributor + * (including, but not limited to, the University of British Columbia and + * Michael David Adams) may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * D. User agrees that it shall not commence any action against Image Power, + * Inc., the University of British Columbia, Michael David Adams, or any + * other contributors (collectively "Licensors") for infringement of any + * intellectual property rights ("IPR") held by the User in respect of any + * technology that User owns or has a right to license or sublicense and + * which is an element required in order to claim compliance with ISO/IEC + * 15444-1 (i.e., JPEG-2000 Part 1). "IPR" means all intellectual property + * rights worldwide arising under statutory or common law, and whether + * or not perfected, including, without limitation, all (i) patents and + * patent applications owned or licensable by User; (ii) rights associated + * with works of authorship including copyrights, copyright applications, + * copyright registrations, mask work rights, mask work applications, + * mask work registrations; (iii) rights relating to the protection of + * trade secrets and confidential information; (iv) any right analogous + * to those set forth in subsections (i), (ii), or (iii) and any other + * proprietary rights relating to intangible property (other than trademark, + * trade dress, or service mark rights); and (v) divisions, continuations, + * renewals, reissues and extensions of the foregoing (as and to the extent + * applicable) now existing, hereafter filed, issued or acquired. + * + * E. If User commences an infringement action against any Licensor(s) then + * such Licensor(s) shall have the right to terminate User's license and + * all sublicenses that have been granted hereunder by User to other parties. + * + * F. This software is for use only in hardware or software products that + * are compliant with ISO/IEC 15444-1 (i.e., JPEG-2000 Part 1). No license + * or right to this Software is granted for products that do not comply + * with ISO/IEC 15444-1. The JPEG-2000 Part 1 standard can be purchased + * from the ISO. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE. + * NO USE OF THE JASPER SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE JASPER SOFTWARE IS PROVIDED BY THE LICENSORS AND + * CONTRIBUTORS UNDER THIS LICENSE ON AN ``AS-IS'' BASIS, WITHOUT WARRANTY + * OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, + * WARRANTIES THAT THE JASPER SOFTWARE IS FREE OF DEFECTS, IS MERCHANTABLE, + * IS FIT FOR A PARTICULAR PURPOSE OR IS NON-INFRINGING. THOSE INTENDING + * TO USE THE JASPER SOFTWARE OR MODIFICATIONS THEREOF FOR USE IN HARDWARE + * OR SOFTWARE PRODUCTS ARE ADVISED THAT THEIR USE MAY INFRINGE EXISTING + * PATENTS, COPYRIGHTS, TRADEMARKS, OR OTHER INTELLECTUAL PROPERTY RIGHTS. + * THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE JASPER SOFTWARE + * IS WITH THE USER. SHOULD ANY PART OF THE JASPER SOFTWARE PROVE DEFECTIVE + * IN ANY RESPECT, THE USER (AND NOT THE INITIAL DEVELOPERS, THE UNIVERSITY + * OF BRITISH COLUMBIA, IMAGE POWER, INC., MICHAEL DAVID ADAMS, OR ANY + * OTHER CONTRIBUTOR) SHALL ASSUME THE COST OF ANY NECESSARY SERVICING, + * REPAIR OR CORRECTION. UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, + * WHETHER TORT (INCLUDING NEGLIGENCE), CONTRACT, OR OTHERWISE, SHALL THE + * INITIAL DEVELOPER, THE UNIVERSITY OF BRITISH COLUMBIA, IMAGE POWER, INC., + * MICHAEL DAVID ADAMS, ANY OTHER CONTRIBUTOR, OR ANY DISTRIBUTOR OF THE + * JASPER SOFTWARE, OR ANY SUPPLIER OF ANY OF SUCH PARTIES, BE LIABLE TO + * THE USER OR ANY OTHER PERSON FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR + * CONSEQUENTIAL DAMAGES OF ANY CHARACTER INCLUDING, WITHOUT LIMITATION, + * DAMAGES FOR LOSS OF GOODWILL, WORK STOPPAGE, COMPUTER FAILURE OR + * MALFUNCTION, OR ANY AND ALL OTHER COMMERCIAL DAMAGES OR LOSSES, EVEN IF + * SUCH PARTY HAD BEEN INFORMED, OR OUGHT TO HAVE KNOWN, OF THE POSSIBILITY + * OF SUCH DAMAGES. THE JASPER SOFTWARE AND UNDERLYING TECHNOLOGY ARE NOT + * FAULT-TOLERANT AND ARE NOT DESIGNED, MANUFACTURED OR INTENDED FOR USE OR + * RESALE AS ON-LINE CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING + * FAIL-SAFE PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT + * LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE + * JASPER SOFTWARE OR UNDERLYING TECHNOLOGY OR PRODUCT COULD LEAD DIRECTLY + * TO DEATH, PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE + * ("HIGH RISK ACTIVITIES"). LICENSOR SPECIFICALLY DISCLAIMS ANY EXPRESS + * OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. USER WILL NOT + * KNOWINGLY USE, DISTRIBUTE OR RESELL THE JASPER SOFTWARE OR UNDERLYING + * TECHNOLOGY OR PRODUCTS FOR HIGH RISK ACTIVITIES AND WILL ENSURE THAT ITS + * CUSTOMERS AND END-USERS OF ITS PRODUCTS ARE PROVIDED WITH A COPY OF THE + * NOTICE SPECIFIED IN THIS SECTION. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Fixed-Point Number Class + * + * $Id$ + */ + +#ifndef JPC_FIX_H +#define JPC_FIX_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_types.h" +#include "jasper/jas_fix.h" + +/******************************************************************************\ +* Basic parameters of the fixed-point type. +\******************************************************************************/ + +/* The integral type used to represent a fixed-point number. This + type must be capable of representing values from -(2^31) to 2^31-1 + (inclusive). */ +typedef int_fast32_t jpc_fix_t; + +/* The integral type used to respresent higher-precision intermediate results. + This type should be capable of representing values from -(2^63) to 2^63-1 + (inclusive). */ +typedef int_fast64_t jpc_fix_big_t; + +/* The number of bits used for the fractional part of a fixed-point number. */ +#define JPC_FIX_FRACBITS 13 + +/******************************************************************************\ +* Instantiations of the generic fixed-point number macros for the +* parameters given above. (Too bad C does not support templates, eh?) +* The purpose of these macros is self-evident if one examines the +* corresponding macros in the jasper/jas_fix.h header file. +\******************************************************************************/ + +#define JPC_FIX_ZERO JAS_FIX_ZERO(jpc_fix_t, JPC_FIX_FRACBITS) +#define JPC_FIX_ONE JAS_FIX_ONE(jpc_fix_t, JPC_FIX_FRACBITS) +#define JPC_FIX_HALF JAS_FIX_HALF(jpc_fix_t, JPC_FIX_FRACBITS) + +#define jpc_inttofix(x) JAS_INTTOFIX(jpc_fix_t, JPC_FIX_FRACBITS, x) +#define jpc_fixtoint(x) JAS_FIXTOINT(jpc_fix_t, JPC_FIX_FRACBITS, x) +#define jpc_fixtodbl(x) JAS_FIXTODBL(jpc_fix_t, JPC_FIX_FRACBITS, x) +#define jpc_dbltofix(x) JAS_DBLTOFIX(jpc_fix_t, JPC_FIX_FRACBITS, x) + +#define jpc_fix_add(x, y) JAS_FIX_ADD(jpc_fix_t, JPC_FIX_FRACBITS, x, y) +#define jpc_fix_sub(x, y) JAS_FIX_SUB(jpc_fix_t, JPC_FIX_FRACBITS, x, y) +#define jpc_fix_mul(x, y) \ + JAS_FIX_MUL(jpc_fix_t, JPC_FIX_FRACBITS, jpc_fix_big_t, x, y) +#define jpc_fix_mulbyint(x, y) \ + JAS_FIX_MULBYINT(jpc_fix_t, JPC_FIX_FRACBITS, x, y) +#define jpc_fix_div(x, y) \ + JAS_FIX_DIV(jpc_fix_t, JPC_FIX_FRACBITS, jpc_fix_big_t, x, y) +#define jpc_fix_neg(x) JAS_FIX_NEG(jpc_fix_t, JPC_FIX_FRACBITS, x) +#define jpc_fix_asl(x, n) JAS_FIX_ASL(jpc_fix_t, JPC_FIX_FRACBITS, x, n) +#define jpc_fix_asr(x, n) JAS_FIX_ASR(jpc_fix_t, JPC_FIX_FRACBITS, x, n) + +#define jpc_fix_pluseq(x, y) JAS_FIX_PLUSEQ(jpc_fix_t, JPC_FIX_FRACBITS, x, y) +#define jpc_fix_minuseq(x, y) JAS_FIX_MINUSEQ(jpc_fix_t, JPC_FIX_FRACBITS, x, y) +#define jpc_fix_muleq(x, y) \ + JAS_FIX_MULEQ(jpc_fix_t, JPC_FIX_FRACBITS, jpc_fix_big_t, x, y) + +#define jpc_fix_abs(x) JAS_FIX_ABS(jpc_fix_t, JPC_FIX_FRACBITS, x) +#define jpc_fix_isint(x) JAS_FIX_ISINT(jpc_fix_t, JPC_FIX_FRACBITS, x) +#define jpc_fix_sgn(x) JAS_FIX_SGN(jpc_fix_t, JPC_FIX_FRACBITS, x) +#define jpc_fix_round(x) JAS_FIX_ROUND(jpc_fix_t, JPC_FIX_FRACBITS, x) +#define jpc_fix_floor(x) JAS_FIX_FLOOR(jpc_fix_t, JPC_FIX_FRACBITS, x) +#define jpc_fix_trunc(x) JAS_FIX_TRUNC(jpc_fix_t, JPC_FIX_FRACBITS, x) + +/******************************************************************************\ +* Extra macros for convenience. +\******************************************************************************/ + +/* Compute the sum of three fixed-point numbers. */ +#define jpc_fix_add3(x, y, z) jpc_fix_add(jpc_fix_add(x, y), z) + +#endif |