simplecudd interface
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Vitor Santos Costa
234
packages/ProbLog/simplecudd/general.c
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234
packages/ProbLog/simplecudd/general.c
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/******************************************************************************\
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* *
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* SimpleCUDD library (www.cs.kuleuven.be/~theo/tools/simplecudd.html) *
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* SimpleCUDD was developed at Katholieke Universiteit Leuven(www.kuleuven.be) *
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* *
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* Copyright T. Mantadelis and Katholieke Universiteit Leuven 2008 *
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* *
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* Author: Theofrastos Mantadelis *
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* File: general.c *
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* *
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********************************************************************************
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* *
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* The "Artistic License" *
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* *
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* Preamble *
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* *
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* The intent of this document is to state the conditions under which a *
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* Package may be copied, such that the Copyright Holder maintains some *
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* semblance of artistic control over the development of the package, *
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* while giving the users of the package the right to use and distribute *
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* the Package in a more-or-less customary fashion, plus the right to make *
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* reasonable modifications. *
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* *
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* Definitions: *
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* "Package" refers to the collection of files distributed by the *
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* "Standard Version" refers to such a Package if it has not been *
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* modified, or has been modified in accordance with the wishes *
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* regression tests for the language. *
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. *
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* *
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* The End *
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* *
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\******************************************************************************/
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#include "general.h"
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/* Number Handling */
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int IsRealNumber(char *c) {
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int i, l;
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l = strlen(c);
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if (l <= 0) return 0;
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if (l == 1) return IsNumberDigit(c[0]);
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for(i = 1; i < strlen(c); i++) {
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if (c[i] == '.') return IsPosNumber(&c[i + 1]);
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if (!IsNumberDigit(c[i])) return 0;
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}
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return (IsNumberDigit(c[0]) || IsSignDigit(c[0]));
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}
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int IsPosNumber(const char *c) {
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int i, l;
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l = strlen(c);
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if (l <= 0) return 0;
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for(i = 0; i < strlen(c); i++) {
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if (!IsNumberDigit(c[i])) return 0;
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}
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return 1;
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}
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int IsNumber(const char *c) {
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int i, l;
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l = strlen(c);
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if (l <= 0) return 0;
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if (l == 1) return IsNumberDigit(c[0]);
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for(i = 1; i < strlen(c); i++) {
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if (!IsNumberDigit(c[i])) return 0;
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}
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return (IsNumberDigit(c[0]) || IsSignDigit(c[0]));
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}
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/* File Handling */
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char * freadstr(FILE *fd, const char *separators) {
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char *str;
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int buf, icur = 0, max = 10;
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str = (char *) malloc(sizeof(char) * max);
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str[0] = '\0';
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do {
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if ((buf = fgetc(fd)) != EOF) {
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if (icur == (max - 1)) {
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max = max * 2;
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str = (char *) realloc(str, sizeof(char) * max);
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}
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if (!CharIn((char) buf, separators)) {
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str[icur] = (char) buf;
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icur++;
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str[icur] = '\0';
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}
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}
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} while(!CharIn(buf, separators) && !feof(fd));
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return str;
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}
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int CharIn(const char c, const char *in) {
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int i;
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for (i = 0; i < strlen(in); i++)
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if (c == in[i]) return 1;
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return 0;
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}
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/* string handling */
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int patternmatch(char *pattern, char *thestr) {
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int i, j = -1, pl = strlen(pattern), sl = strlen(thestr);
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for(i = 0; i < pl; i++) {
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if (pattern[i] == '*') {
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do {
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i++;
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if (i == pl) return 1;
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} while(pattern[i] == '*');
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do {
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j++;
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if (j >= sl) return 0;
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if ((thestr[j] == pattern[i]) && patternmatch(pattern + i, thestr + j)) return 1;
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} while(1);
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} else {
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j++;
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if (j >= sl) return 0;
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if (pattern[i] != thestr[j]) return 0;
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}
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}
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return (pl == sl);
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}
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