diff src/fftw-3.3.3/api/export-wisdom-to-string.c @ 10:37bf6b4a2645

Add FFTW3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.3/api/export-wisdom-to-string.c	Wed Mar 20 15:35:50 2013 +0000
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2003, 2007-11 Matteo Frigo
+ * Copyright (c) 2003, 2007-11 Massachusetts Institute of Technology
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include "api.h"
+
+typedef struct {
+     printer super;
+     int *cnt;
+} P_cnt;
+
+static void putchr_cnt(printer * p_, char c)
+{
+     P_cnt *p = (P_cnt *) p_;
+     UNUSED(c);
+     ++*p->cnt;
+}
+
+static printer *mkprinter_cnt(int *cnt)
+{
+     P_cnt *p = (P_cnt *) X(mkprinter)(sizeof(P_cnt), putchr_cnt, 0);
+     p->cnt = cnt;
+     *cnt = 0;
+     return &p->super;
+}
+
+typedef struct {
+     printer super;
+     char *s;
+} P_str;
+
+static void putchr_str(printer * p_, char c)
+{
+     P_str *p = (P_str *) p_;
+     *p->s++ = c;
+     *p->s = 0;
+}
+
+static printer *mkprinter_str(char *s)
+{
+     P_str *p = (P_str *) X(mkprinter)(sizeof(P_str), putchr_str, 0);
+     p->s = s;
+     *s = 0;
+     return &p->super;
+}
+
+char *X(export_wisdom_to_string)(void)
+{
+     printer *p;
+     planner *plnr = X(the_planner)();
+     int cnt;
+     char *s;
+
+     p = mkprinter_cnt(&cnt);
+     plnr->adt->exprt(plnr, p);
+     X(printer_destroy)(p);
+
+     s = (char *) malloc(sizeof(char) * (cnt + 1));
+     if (s) {
+          p = mkprinter_str(s);
+          plnr->adt->exprt(plnr, p);
+          X(printer_destroy)(p);
+     }
+
+     return s;
+}