- use initializers in exception class pole_error.
[ginac.git] / check / check_lsolve.cpp
index 4a84a13c13b54555fd359ec2b63ed6bd632c94e4..59264d9d1cb4cf23b173d438a72db6dca27529d5 100644 (file)
@@ -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
 
 #include "checks.h"
 
+#if defined(HAVE_SSTREAM)
+#  include <sstream>
+#else
+#  include <strstream>
+#endif
+
 static unsigned check_matrix_solve(unsigned m, unsigned n, unsigned p,
                                                                   unsigned degree)
 {
@@ -49,9 +55,15 @@ 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) {
+#if defined(HAVE_SSTREAM)
+                       ostringstream buf;
+                       buf << "x" << i << j << ends;
+                       x.push_back(symbol(buf.str()));
+#else
                        char buf[4];
                        ostrstream(buf,sizeof(buf)) << i << j << ends;
                        x.push_back(symbol(string("x")+buf));
+#endif
                        X.set(i,j,x[p*i+j]);
                }
        }
@@ -82,9 +94,9 @@ static unsigned check_matrix_solve(unsigned m, unsigned n, unsigned p,
        }
        if (errorflag) {
                clog << "Our solve method claims that A*X==B, with matrices" << endl
-                        << "A == " << A << endl
-                        << "X == " << sol << endl
-                        << "B == " << B << endl;
+                    << "A == " << A << endl
+                    << "X == " << sol << endl
+                    << "B == " << B << endl;
                return 1;
        }
        
@@ -101,10 +113,17 @@ static unsigned check_inifcns_lsolve(unsigned n)
                vector<symbol> a;
                vector<symbol> x;
                for (unsigned i=0; i<n; ++i) {
+#if defined(HAVE_SSTREAM)
+                       ostringstream buf;
+                       buf << i << ends;
+                       a.push_back(symbol(string("a")+buf.str()));
+                       x.push_back(symbol(string("x")+buf.str()));
+#else
                        char buf[3];
                        ostrstream(buf,sizeof(buf)) << i << ends;
                        a.push_back(symbol(string("a")+buf));
                        x.push_back(symbol(string("x")+buf));
+#endif
                }
                lst eqns;  // equation list
                lst vars;  // variable list
@@ -146,7 +165,7 @@ static unsigned check_inifcns_lsolve(unsigned n)
                        if (errorflag) {
                                ++result;
                                clog << "solution of the system " << eqns << " for " << vars
-                                        << " erroneously returned " << sol << endl;
+                                    << " erroneously returned " << sol << endl;
                        }
                }
        }