Import libcds.

[SXSI/libcds.git] / src / static_permutation / static_permutation_mrrr.cpp

diff --git a/src/static_permutation/static_permutation_mrrr.cpp b/src/static_permutation/static_permutation_mrrr.cpp
new file mode 100644 (file)
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+++ b/src/static_permutation/static_permutation_mrrr.cpp
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+/* static_permutation_mrrr.cpp
+ * Copyright (C) 2008, Francisco Claude, all rights reserved.
+ *
+ * Permutation
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+
+#include <static_permutation_mrrr.h>
+
+static_permutation_mrrr::static_permutation_mrrr(uint * elems, uint nelems, uint t, static_bitsequence_builder * bmb) {
+  permutation = createPerm(elems, nelems, t, bmb);
+}
+
+static_permutation_mrrr::static_permutation_mrrr() {
+}
+
+static_permutation_mrrr::~static_permutation_mrrr() {
+  destroyPerm(permutation);
+}
+
+uint static_permutation_mrrr::size() {
+  return sizeof(static_permutation)+sizeofPerm(permutation);
+}
+
+uint static_permutation_mrrr::pi(uint i) {
+  return getelemPerm(permutation,i);
+}
+
+uint static_permutation_mrrr::rev_pi(uint i) {
+  return inversePerm(permutation,i);
+}
+
+uint static_permutation_mrrr::save(FILE *fp) {
+       uint wr = STATIC_PERMUTATION_MRRR_HDR;
+       wr = fwrite(&wr,sizeof(uint),1,fp);
+       if(wr!=1) return 1;
+  return savePerm(permutation,fp);
+}
+
+static_permutation_mrrr * static_permutation_mrrr::load(FILE *fp) {
+  uint rd;
+  if(fread(&rd,sizeof(uint),1,fp)!=1) return NULL;
+  if(rd!=STATIC_PERMUTATION_MRRR_HDR) return NULL;
+  static_permutation_mrrr * ret = new static_permutation_mrrr();
+  ret->permutation = loadPerm(fp);
+  return ret;
+}