From c049fb3ec1865c367521e960259e7b47325ac02b Mon Sep 17 00:00:00 2001
From: Fabio Durastante <a037726@A3-dott7.polo2.sid.unipi.it>
Date: Sun, 14 Apr 2024 22:19:58 +0200
Subject: [PATCH] My first MPI code

---
 Makefile     |  7 +++++++
 helloworld.c | 10 ++++++++++
 2 files changed, 17 insertions(+)
 create mode 100644 Makefile
 create mode 100644 helloworld.c

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..2b69e95
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,7 @@
+MPICC = mpicc #The wrapper for the compiler
+CFLAGS += -g  #Useful for debug symbols
+all: helloworld
+helloworld: helloworld.c
+	$(MPICC) $(CFLAGS) $(LDFLAGS) $? $(LDLIBS) -o $@
+clean:
+	rm -f helloworld
diff --git a/helloworld.c b/helloworld.c
new file mode 100644
index 0000000..dc7fdcd
--- /dev/null
+++ b/helloworld.c
@@ -0,0 +1,10 @@
+#include"mpi.h"
+#include<stdio.h>
+
+int main(int argc, 
+char **argv){
+  MPI_Init( &argc, &argv);
+  printf("Hello, world!\n");
+  MPI_Finalize();
+  return 0;
+}