X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=check%2Fcheck_lsolve.cpp;h=a964c4b305352012393dad56dbe6b9bead9e752b;hp=80bfdc1283ec4863b4eb5a2e74fa2b8f468707f7;hb=7cf5e1f6346223de683c9e7986d098fd042d691c;hpb=ae3044935ddf13dd325f6e11770357b99bbe6095

diff --git a/check/check_lsolve.cpp b/check/check_lsolve.cpp
index 80bfdc12..a964c4b3 100644
--- a/check/check_lsolve.cpp
+++ b/check/check_lsolve.cpp
@@ -4,7 +4,7 @@
  *  symbolic equations. */
 
 /*
- *  GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2001 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