- prefixed atoi and exit with "std::"

QP_solver/include/CGAL/QP_solver.C

@@ -1213,8 +1213,8 @@ expel_artificial_variables_from_basis( )
 	}
     }
     if ((art_basic != 0) && no_ineq) {
-        std::cerr << "Constraint matrix has not full row rank" << std::endl;
-        exit(1);
+      CGAL_qpe_assertion_msg(false,
+        "Constraint matrix has not full row rank");
     }
     
     // remove the remaining ones with their corresponding equality constraints

QP_solver/test/QP_solver/test_MPS.C

@@ -19,6 +19,8 @@
 
 #include <iostream>
 #include <sstream>
+#include <cstdlib>
+
 #include <CGAL/QP_solver/gmp_double.h>
 #include <CGAL/QP_solver.h>
 #include <CGAL/QP_full_exact_pricing.h>
@@ -50,7 +52,7 @@ int main(const int argNr,const char **args) {
   if (!qp.is_valid()) {
     cout << "Input is not a valid MPS file." << endl
          << "Error: " << qp.error() << endl;
-    exit(2);
+    std::exit(2);
   }
 
   if (verbosity > 0) {

QP_solver/test/QP_solver/test_solver.C

@@ -23,6 +23,8 @@
 #include <string>
 #include <locale>
 
+#include <cstdlib>
+
 #include <CGAL/QP_solver/gmp_double.h>
 #include <CGAL/QP_solver.h>
 #include <CGAL/QP_full_exact_pricing.h>
@@ -123,13 +125,13 @@ std::string replace1(const std::string& msg,const std::string& replacement)
 void bailout(const char *msg)
 {
   std::cout << "Error: " << msg << '.' << std::endl;
-  exit(1);
+  std::exit(1);
 }
 
 void bailout1(const char *msg,const std::string& param)
 {
   std::cout << "Error: " << replace1(msg,param) << '.' << std::endl;
-  exit(1);
+  std::exit(1);
 }
 
 void usage()
@@ -162,7 +164,7 @@ void usage()
        << "for symmetric and the non-dedicated solver on the instance).\n"
        << "You can also negate the options 'l', 's', 'r', or 'f' by\n"
        << "replacing the '-' by a '+'.\n";
-  exit(1);
+  std::exit(1);
 }
 
 namespace Token { // A simple token reader with put-back facility.

QP_solver/test/QP_solver/test_suite_QP_solver.C

@@ -29,7 +29,10 @@
 #include <CGAL/QP_solver/Double.h>
 #include <CGAL/Gmpq.h>
 #include <CGAL/Gmpz.h>
+
 #include <cassert>
+#include <cstdlib>
+
 #include <functional>
 #include <iostream>
 #include <fstream>
@@ -786,7 +789,7 @@ bool map_tags(std::ifstream& from, int verbose, int pricing_strategy_index,
 	  break;
 	default : 
 	  error("impossible tag value");
-	  exit(-1);
+	  std::exit(-1);
 	}
       } else if (i==4) {  // is_in_standard_form
 	if (p->second == '1')
@@ -799,12 +802,12 @@ bool map_tags(std::ifstream& from, int verbose, int pricing_strategy_index,
 	  break;
 	default :
 	  error("impossible tag value");
-	  exit(-1);
+	  std::exit(-1);
 	}
       }
     } else {
       error("unspecified tags");
-      exit(-1);
+      std::exit(-1);
     }
   }