Master File

1 files changed, 101 insertions, 0 deletions

diff --git a/sci_gateway/cpp/globals.cpp b/sci_gateway/cpp/globals.cpp
new file mode 100644
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+++ b/sci_gateway/cpp/globals.cpp
@@ -0,0 +1,101 @@
+/*
+ * Implementation Symphony Tool Box for Scilab
+ * globals.cpp
+ * contains definitions of global variables and functions
+ * By Keyur Joshi and Sai Kiran
+ */
+#include <symphony.h>
+#include <sciprint.h>
+
+sym_environment *global_sym_env=0;
+
+extern "C"{
+int process_ret_val(int ret_val){
+	int status=0;
+	sciprint("\n");
+	switch(ret_val){
+		case TM_NO_PROBLEM:
+			sciprint("No problem has been loaded.");
+			break;
+		case TM_NO_SOLUTION:
+			sciprint("This problem is infeasible.");
+			break;
+		case TM_FINISHED:
+			sciprint("The solver has finished working.");
+			break;
+		case TM_UNFINISHED:
+			sciprint("The solver has NOT finished working.");
+			break;
+		case TM_FEASIBLE_SOLUTION_FOUND:
+			sciprint("A feasible solution has been found. It may not be optimal.");
+			break;
+		case TM_SIGNAL_CAUGHT:
+			sciprint("TM_SIGNAL_CAUGHT");
+			break;
+		case TM_UNBOUNDED:
+			sciprint("This problem or its solution is unbounded.");
+			break;
+		case PREP_OPTIMAL_SOLUTION_FOUND:
+			sciprint("An optimal solution has been found.");
+			break;
+		case PREP_NO_SOLUTION:
+			sciprint("This problem is infeasible.");
+			break;
+		case PREP_ERROR:
+			sciprint("An error occured during preprocessing.");
+			status=1;
+			break;
+		case ERROR__USER:
+			sciprint("Error: user error detected in one of "
+			"sci_user_send_lp_data(), "
+			"sci_user_send_cg_data(), "
+			"user_send_cp_data(), "
+			"user_receive_feasible_solution(), "
+			"user_display_solution(), "
+			"user_process_own_messages() functions.");
+			status=1;
+			break;
+		case TM_OPTIMAL_SOLUTION_FOUND:
+			sciprint("An optimal solution has been found.");
+			break;
+		case TM_TIME_LIMIT_EXCEEDED:
+			sciprint("The solver stopped after the time limit was reached.");
+			break;
+		case TM_NODE_LIMIT_EXCEEDED:
+			sciprint("The solver stopped after the node limit was reached.");
+			break;
+		case TM_TARGET_GAP_ACHIEVED:
+			sciprint("The solver stopped after achieving the target gap.");
+			break;
+		case TM_FOUND_FIRST_FEASIBLE:
+			sciprint("A feasible solution has been found. It may not be optimal.");
+			break;
+		case TM_ERROR__NO_BRANCHING_CANDIDATE:
+			sciprint("Error: user didn’t select branching candidate in user_select_candidates()");
+			status=1;
+			break;
+		case TM_ERROR__ILLEGAL_RETURN_CODE:
+			sciprint("Error: illegal return code.");
+			status=1;
+			break;
+		case TM_ERROR__NUMERICAL_INSTABILITY:
+			sciprint("Error: solver stopped due to some numerical difficulties.");
+			status=1;
+			break;
+		case TM_ERROR__COMM_ERROR:
+			sciprint("Error: solver stopped due to communication error.");
+			status=1;
+			break;
+		case TM_ERROR__USER:
+			sciprint("Error: user error detected in one of user callbacks called during TM processes.");
+			break;
+		default:
+			sciprint("Error: undefined return value.");
+			status=1;
+			break;
+	}
+	sciprint("\n");
+	return status;
+}
+
+}