From 2183e1f87d11bd7cff0ce83c9d9a716cec46d6f6 Mon Sep 17 00:00:00 2001
From: Francois Gygi <fgygi@ucdavis.edu>
Date: Sun, 19 Aug 2018 17:43:17 -0700
Subject: [PATCH] Add output in cube format

---
 src/testFunction3d.C | 31 ++++++++++++++++++++++++++-----
 1 file changed, 26 insertions(+), 5 deletions(-)

diff --git a/src/testFunction3d.C b/src/testFunction3d.C
index dd74418..4052e8b 100644
--- a/src/testFunction3d.C
+++ b/src/testFunction3d.C
@@ -16,11 +16,14 @@
 //
 ////////////////////////////////////////////////////////////////////////////////
 #include<iostream>
+#include<iomanip>
 #include "Function3d.h"
 using namespace std;
 
 // usage: ./testFunction3d file.xml
 
+// Read a Function3d from an XML file and print contents as a cube file
+
 int main(int argc, char** argv)
 {
   Function3d f;
@@ -42,12 +45,30 @@ int main(int argc, char** argv)
   }
   cout << "function norm2: " << sum / f.val.size() << endl;
 
-  // modify function
-  f.name = "output";
+  f.write("output.xml");
+
+  // output data in cube format on stdout
+  cout << "Created by testFunction3d" << endl;
+  cout << endl;
+  cout << "8 0 0 0" << endl;
+  cout << f.nx << " " << f.a / f.nx << endl;
+  cout << f.ny << " " << f.b / f.ny << endl;
+  cout << f.nz << " " << f.c / f.nz << endl;
+  cout << "1 1 0.0 0.0 0.0" << endl;
+  cout << "1 1 " << f.a << endl;
+  cout << "1 1 " << f.b << endl;
+  cout << "1 1 " << f.c << endl;
+  cout << "1 1 " << f.a+f.b << endl;
+  cout << "1 1 " << f.b+f.c << endl;
+  cout << "1 1 " << f.c+f.a << endl;
+  cout << "1 1 " << f.a+f.b+f.c << endl;
+  cout.setf(ios::scientific,ios::floatfield);
+  cout.precision(5);
   for ( int i = 0; i < f.val.size(); i++ )
   {
-    f.val[i] *= 0.5;
+    cout << setw(13) << f.val[i];
+    if ( ( (i+1) % 6 ) == 0 )
+      cout << endl;
   }
-
-  f.write("output.xml");
+  cout << endl;
 }
--
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