]> www.ginac.de Git - ginac.git/blobdiff - check/exam_lsolve.cpp
match() (find()): use exmap (exset) to store matched subexpressions.
[ginac.git] / check / exam_lsolve.cpp
index cafda13a8ecec1f7bac8b9ddf17909a721b0c186..b7d276962e66763a07429705ef6663035549f5b5 100644 (file)
@@ -3,7 +3,7 @@
  *  These exams test solving small linear systems of symbolic equations. */
 
 /*
- *  GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2008 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
  *
  *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#include "exams.h"
+#include <iostream>
+#include "ginac.h"
+using namespace std;
+using namespace GiNaC;
 
-static unsigned exam_lsolve1(void)
+static unsigned exam_lsolve1()
 {
        // A trivial example.
        unsigned result = 0;
@@ -34,13 +37,13 @@ static unsigned exam_lsolve1(void)
        if (aux != 1) {
                ++result;
                clog << "solution of 3*x+5==8 erroneously returned "
-                        << aux << endl;
+                    << aux << endl;
        }
        
        return result;
 }
 
-static unsigned exam_lsolve2a(void)
+static unsigned exam_lsolve2a()
 {
        // An example from the Maple online help.
        unsigned result = 0;
@@ -62,13 +65,13 @@ static unsigned exam_lsolve2a(void)
                !normal(sol_y - (3-a*b)/(a+b)).is_zero()) {
                ++result;
                clog << "solution of the system " << eqns << " for " << vars
-                        << " erroneously returned " << sol << endl;
+                    << " erroneously returned " << sol << endl;
        }
        
        return result;
 }
 
-static unsigned exam_lsolve2b(void)
+static unsigned exam_lsolve2b()
 {
        // A boring example from Mathematica's online help.
        unsigned result = 0;
@@ -90,13 +93,13 @@ static unsigned exam_lsolve2b(void)
                (sol_y != numeric(-10,17))) {
                ++result;
                clog << "solution of the system " << eqns << " for " << vars
-                        << " erroneously returned " << sol << endl;
+                    << " erroneously returned " << sol << endl;
        }
        
        return result;
 }
 
-static unsigned exam_lsolve2c(void)
+static unsigned exam_lsolve2c()
 {
        // A more interesting example from the Maple online help.
        unsigned result = 0;
@@ -118,13 +121,13 @@ static unsigned exam_lsolve2c(void)
                (sol_y != numeric(-1,2))) {
                ++result;
                clog << "solution of the system " << eqns << " for " << vars
-                        << " erroneously returned " << sol << endl;
+                    << " erroneously returned " << sol << endl;
        }
        
        return result;
 }
 
-static unsigned exam_lsolve2S(void)
+static unsigned exam_lsolve2S()
 {
        // A degenerate example that went wrong in GiNaC 0.6.2.
        unsigned result = 0;
@@ -146,13 +149,13 @@ static unsigned exam_lsolve2S(void)
                (sol_y != t)) {
                ++result;
                clog << "solution of the system " << eqns << " for " << vars
-                        << " erroneously returned " << sol << endl;
+                    << " erroneously returned " << sol << endl;
        }
        
        return result;
 }
 
-static unsigned exam_lsolve3S(void)
+static unsigned exam_lsolve3S()
 {
        // A degenerate example that went wrong while trying to improve elimination
        unsigned result = 0;
@@ -177,18 +180,17 @@ static unsigned exam_lsolve3S(void)
                (sol_z != (b+c)/2)) {
                ++result;
                clog << "solution of the system " << eqns << " for " << vars
-                        << " erroneously returned " << sol << endl;
+                    << " erroneously returned " << sol << endl;
        }
        
        return result;
 }
 
-unsigned exam_lsolve(void)
+unsigned exam_lsolve()
 {
        unsigned result = 0;
        
        cout << "examining linear solve" << flush;
-       clog << "----------linear solve:" << endl;
        
        result += exam_lsolve1();  cout << '.' << flush;
        result += exam_lsolve2a();  cout << '.' << flush;
@@ -197,12 +199,10 @@ unsigned exam_lsolve(void)
        result += exam_lsolve2S();  cout << '.' << flush;
        result += exam_lsolve3S();  cout << '.' << flush;
        
-       if (!result) {
-               cout << " passed " << endl;
-               clog << "(no output)" << endl;
-       } else {
-               cout << " failed " << endl;
-       }
-       
        return result;
 }
+
+int main(int argc, char** argv)
+{
+       return exam_lsolve();
+}