| /* |
| * Copyright (c) 1999-2000 Image Power, Inc. and the University of |
| * British Columbia. |
| * Copyright (c) 2001-2003 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__ |
| */ |
| |
| /* |
| * $Id$ |
| */ |
| |
| /******************************************************************************\ |
| * Includes |
| \******************************************************************************/ |
| |
| #include <assert.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <math.h> |
| #include <stdlib.h> |
| #include <stdarg.h> |
| |
| #include "jasper/jas_math.h" |
| #include "jasper/jas_malloc.h" |
| |
| #include "jpc_fix.h" |
| #include "jpc_cs.h" |
| #include "jpc_flt.h" |
| #include "jpc_util.h" |
| |
| /******************************************************************************\ |
| * Miscellaneous Functions |
| \******************************************************************************/ |
| |
| int jpc_atoaf(char *s, int *numvalues, double **values) |
| { |
| static char delim[] = ", \t\n"; |
| char buf[4096]; |
| int n; |
| double *vs; |
| char *cp; |
| |
| strncpy(buf, s, sizeof(buf)); |
| buf[sizeof(buf) - 1] = '\0'; |
| n = 0; |
| if ((cp = strtok(buf, delim))) { |
| ++n; |
| while ((cp = strtok(0, delim))) { |
| if (cp != '\0') { |
| ++n; |
| } |
| } |
| } |
| |
| if (n) { |
| if (!(vs = jas_malloc(n * sizeof(double)))) { |
| return -1; |
| } |
| |
| strncpy(buf, s, sizeof(buf)); |
| buf[sizeof(buf) - 1] = '\0'; |
| n = 0; |
| if ((cp = strtok(buf, delim))) { |
| vs[n] = atof(cp); |
| ++n; |
| while ((cp = strtok(0, delim))) { |
| if (cp != '\0') { |
| vs[n] = atof(cp); |
| ++n; |
| } |
| } |
| } |
| } else { |
| vs = 0; |
| } |
| |
| *numvalues = n; |
| *values = vs; |
| |
| return 0; |
| } |
| |
| jas_seq_t *jpc_seq_upsample(jas_seq_t *x, int m) |
| { |
| jas_seq_t *z; |
| int i; |
| |
| if (!(z = jas_seq_create(jas_seq_start(x) * m, (jas_seq_end(x) - 1) * m + 1))) |
| return 0; |
| for (i = jas_seq_start(z); i < jas_seq_end(z); i++) { |
| *jas_seq_getref(z, i) = (!JAS_MOD(i, m)) ? jas_seq_get(x, i / m) : |
| jpc_inttofix(0); |
| } |
| |
| return z; |
| } |
| |
| jpc_fix_t jpc_seq_norm(jas_seq_t *x) |
| { |
| jpc_fix_t s; |
| int i; |
| |
| s = jpc_inttofix(0); |
| for (i = jas_seq_start(x); i < jas_seq_end(x); i++) { |
| s = jpc_fix_add(s, jpc_fix_mul(jas_seq_get(x, i), jas_seq_get(x, i))); |
| } |
| |
| return jpc_dbltofix(sqrt(jpc_fixtodbl(s))); |
| } |
| |
| jas_seq_t *jpc_seq_conv(jas_seq_t *x, jas_seq_t *y) |
| { |
| int i; |
| int j; |
| int k; |
| jas_seq_t *z; |
| jpc_fix_t s; |
| jpc_fix_t v; |
| |
| z = jas_seq_create(jas_seq_start(x) + jas_seq_start(y), |
| jas_seq_end(x) + jas_seq_end(y) - 1); |
| assert(z); |
| for (i = jas_seq_start(z); i < jas_seq_end(z); i++) { |
| s = jpc_inttofix(0); |
| for (j = jas_seq_start(y); j < jas_seq_end(y); j++) { |
| k = i - j; |
| if (k < jas_seq_start(x) || k >= jas_seq_end(x)) { |
| v = JPC_FIX_ZERO; |
| } else { |
| v = jas_seq_get(x, k); |
| } |
| s = jpc_fix_add(s, jpc_fix_mul(jas_seq_get(y, j), v)); |
| } |
| *jas_seq_getref(z, i) = s; |
| } |
| |
| return z; |
| } |