/* * 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 License Version 2.0 *  * Copyright (c) 2001-2006 Michael David Adams * Copyright (c) 1999-2000 Image Power, Inc. * Copyright (c) 1999-2000 The University of British Columbia *  * All rights reserved. *  * Permission is hereby granted, free of charge, to any person (the * "User") obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without restriction, * including without limitation the rights to use, copy, modify, merge, * publish, distribute, and/or sell copies of the Software, and to permit * persons to whom the Software is furnished to do so, subject to the * following conditions: *  * 1.  The above copyright notices and this permission notice (which * includes the disclaimer below) shall be included in all copies or * substantial portions of the Software. *  * 2.  The name of a copyright holder shall not be used to endorse or * promote products derived from the Software without specific prior * written permission. *  * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS * LICENSE.  NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER * THIS DISCLAIMER.  THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.  IN NO * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.  NO ASSURANCES ARE * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL * PROPERTY RIGHTS OR OTHERWISE.  AS A CONDITION TO EXERCISING THE RIGHTS * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY.  THE SOFTWARE * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH * RISK ACTIVITIES").  THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. *  * __END_OF_JASPER_LICENSE__ */ /* * $Id$ */ /******************************************************************************\* Includes\******************************************************************************/ #include "jpc_util.h"#include "jpc_fix.h" #include "jasper/jas_math.h"#include "jasper/jas_malloc.h" /******************************************************************************\* Miscellaneous Functions\******************************************************************************/ int jpc_atoaf(const char *s, int *numvalues, double **values){	static const 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 (strtok(buf, delim)) {		++n;		while ((cp = strtok(0, delim))) {			if (*cp != '\0') {				++n;			}		}	} 	if (n) {		if (!(vs = jas_alloc2(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(const 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(const 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(const jas_seq_t *x, const 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);	if (!z)		return NULL;	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;}