index 80bfdc1283ec4863b4eb5a2e74fa2b8f468707f7..ac0574e48b6166d0ed1da8617b702164cc45c7e3 100644 (file)
@@ -4,7 +4,7 @@
*  symbolic equations. */

/*
- *  GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany
*
*  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
@@ -22,6 +22,7 @@
*/

#include "checks.h"
+#include <sstream>

static unsigned check_matrix_solve(unsigned m, unsigned n, unsigned p,
unsigned degree)
@@ -49,9 +50,9 @@ static unsigned check_matrix_solve(unsigned m, unsigned n, unsigned p,
matrix X(n,p);
for (unsigned i=0; i<n; ++i) {
for (unsigned j=0; j<p; ++j) {
-                       char buf[4];
-                       ostrstream(buf,sizeof(buf)) << i << j << ends;
-                       x.push_back(symbol(string("x")+buf));
+                       ostringstream buf;
+                       buf << "x" << i << j << ends;
+                       x.push_back(symbol(buf.str()));
X.set(i,j,x[p*i+j]);
}
}
@@ -101,10 +102,10 @@ static unsigned check_inifcns_lsolve(unsigned n)
vector<symbol> a;
vector<symbol> x;
for (unsigned i=0; i<n; ++i) {
-                       char buf[3];
-                       ostrstream(buf,sizeof(buf)) << i << ends;
-                       a.push_back(symbol(string("a")+buf));
-                       x.push_back(symbol(string("x")+buf));
+                       ostringstream buf;
+                       buf << i << ends;
+                       a.push_back(symbol(string("a")+buf.str()));
+                       x.push_back(symbol(string("x")+buf.str()));
}
lst eqns;  // equation list
lst vars;  // variable list