From 1b07a149c5acca0d42d2b4034ab33762eb2b5776 Mon Sep 17 00:00:00 2001
From: Patrice Matz <ofjokg@gmail.com>
Date: Tue, 31 Oct 2017 13:34:25 +0100
Subject: [PATCH] -fixed gauss_down()

---
 SCE/SCE/SCE.cpp |  1 +
 SCE/SCE/lgs.cpp | 19 ++++++++++++-------
 SCE/SCE/lgs.h   |  2 +-
 3 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/SCE/SCE/SCE.cpp b/SCE/SCE/SCE.cpp
index b81471a..6f9f8d2 100644
--- a/SCE/SCE/SCE.cpp
+++ b/SCE/SCE/SCE.cpp
@@ -40,4 +40,5 @@ void lgs()
 {
 	LGS lgs;
 	lgs.data_entry();
+	cout << lgs.gauss() << endl;
 }
diff --git a/SCE/SCE/lgs.cpp b/SCE/SCE/lgs.cpp
index d118413..1946c1d 100644
--- a/SCE/SCE/lgs.cpp
+++ b/SCE/SCE/lgs.cpp
@@ -28,11 +28,10 @@ void LGS::data_entry()
 			cout << endl;
 		}
 		print();
-		cout << "Sind die angaben Korrekt? j/n "; cin >> auswahl;
+		cout << "Sind die Angaben Korrekt? j/n "; cin >> auswahl;
 		
 	}
 	cout << endl;	
-	gauss_down();
 }
 
 void LGS::creat_array()
@@ -48,7 +47,7 @@ void LGS::print()
 	{
 		for (int n = 0; n < variables + 1; ++n)
 		{
-			cout << (GA[i][n] > 0 ? (n == 0 ? " " : " +") : " ") << GA[i][n] << " ";
+			cout << (GA[i][n] >= 0 ? (n == 0 ? " " : " +") : " ") << GA[i][n] << " ";
 			if (n == variables-1)
 				cout << "= ";
 		}
@@ -61,7 +60,7 @@ void LGS::print_ln(int ln)
 	for (int n = 0; n < variables + 1; ++n)
 	{
 		int var = 123 - variables + n;
-		cout << (GA[ln][n] > 0 ? (n==0 ? " " : " +"): " ") << GA[ln][n] << (var!=123  ? (char)var : ' ');
+		cout << (GA[ln][n] >= 0 ? (n==0 ? " " : " +"): " ") << GA[ln][n] << (var!=123  ? (char)var : ' ');
 		if (n == variables - 1)
 			cout << "= ";
 	}
@@ -76,7 +75,7 @@ void LGS::print_exp()
 		{
 			int var1 = n + 65;
 			int var2 = 123 - variables + n;
-			cout << "[" << (char)var1 << i + 1; var2!=123 ? cout<< (" *") : cout << ""; var2 != 123 ? cout << (char)var2 : cout << ""; cout << "]";
+			cout << "[" << (char)var1 << i + 1; var2!=123 ? cout<< (" *") << (char)var2 : cout << ""; cout << "]";
 			if (n == variables - 1)
 				cout << "= ";
 		}
@@ -102,10 +101,10 @@ float LGS::gauss()
 
 void LGS::gauss_down( )
 {
-	for(int stage = 1; stage < (variables==2 ? variables : variables-1) ; stage++)
+	for(int stage = 1; stage < variables ; stage++)
 	{
 		long double div = (GA[stage][stage-1] / GA[stage-1][stage-1]);
-		for (int i = 0; i < variables-1; i++)
+		for (int i = 0; i < variables-1 && stage+i < variables; i++)
 		{
 			for (int n = 0; n <= variables; n++)
 			{
@@ -121,6 +120,12 @@ void LGS::gauss_down( )
 	
 }
 
+void LGS::gauss_up()
+{
+	
+}
+
+
 
 
 
diff --git a/SCE/SCE/lgs.h b/SCE/SCE/lgs.h
index d4aec67..35e5fce 100644
--- a/SCE/SCE/lgs.h
+++ b/SCE/SCE/lgs.h
@@ -21,5 +21,5 @@ public:
 	void print_ln(int);
 	void print_exp();
 	void gauss_down();
-	void gauss_up(){};
+	void gauss_up();
 };
\ No newline at end of file