First commit - moving from LuaForge to SourceForge

1 files changed, 194 insertions, 0 deletions

diff --git a/src/libjasper/jpc/jpc_util.c b/src/libjasper/jpc/jpc_util.c
new file mode 100644
index 0000000..7dfeb63
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+++ b/src/libjasper/jpc/jpc_util.c
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+/*
+ * 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: jpc_util.c,v 1.1 2008/10/17 06:15:00 scuri Exp $
+ */
+
+/******************************************************************************\
+* 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;
+}