From d286e0d45edf8b19f251cc5ed8b1f2d842933263 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fran=C3=A7ois=20Coppens?= <francois.coppens@uvsq.fr>
Date: Tue, 26 Jan 2021 07:26:54 +0100
Subject: [PATCH] Added some initial data likle Makefiles and .gitignore.

---
 .gitignore            |  2 ++
 .vscode/settings.json |  6 ++++++
 Makefile              | 12 ++++++++++++
 SM-MaponiA3.cpp       | 39 +++++++++++++++++++++++++++++++++++++++
 4 files changed, 59 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 .vscode/settings.json
 create mode 100644 Makefile
 create mode 100644 SM-MaponiA3.cpp

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..efbfafa
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.o
+SM-MaponiA3
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..293d384
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,6 @@
+{
+    "files.associations": {
+        "ostream": "cpp",
+        "new": "cpp"
+    }
+}
\ No newline at end of file
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..38bce4c
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,12 @@
+CC=icc
+CXX=icpc
+CFLAGS=
+
+DEPS = SM-MaponiA3.cpp
+OBJ = SM-MaponiA3.o 
+
+%.o: %.c $(DEPS)
+	$(CXX) -c -o $@ $< $(CFLAGS)
+
+SM-MaponiA3: $(OBJ)
+	$(CXX) -o $@ $^ $(CFLAGS)
diff --git a/SM-MaponiA3.cpp b/SM-MaponiA3.cpp
new file mode 100644
index 0000000..3111408
--- /dev/null
+++ b/SM-MaponiA3.cpp
@@ -0,0 +1,39 @@
+// Algorithm 3 from P. Maponi,
+// p. 283, doi:10.1016/j.laa.2006.07.007
+
+#include <iostream>
+using namespace std;
+
+int M=3;
+int N=3;
+
+int main() {
+
+    int** A = new int*[N];
+    for (int i = 0; i < N; i++) {
+        A[i] = new int[M];
+    }
+    A[0][0] = 1;
+    A[0][1] = 1;
+    A[0][2] = -1;
+    A[1][0] = 1;
+    A[1][1] = 1;
+    A[1][2] = 0;
+    A[2][0] = -1;
+    A[2][1] = 0;
+    A[2][2] = -1;
+
+    for (int i = 0; i < M; i++) {
+        for (int j = 0; j < N; j++) {
+            cout << "A["<<i<<"]["<<j<<"] = " << A[i][j] << " ";
+        }
+        cout << endl;
+    }
+
+    for (int i = 0; i < N; i++) {
+        delete [] A[i];
+    }
+    delete [] A;
+
+    return 0;
+}