Fix compiling with non doubles

[ipdf/code.git] / src / tests / paranoidcalculator.cpp

diff --git a/src/tests/paranoidcalculator.cpp b/src/tests/paranoidcalculator.cpp
new file mode 100644 (file)
index 0000000..171eaf0
--- /dev/null
+++ b/src/tests/paranoidcalculator.cpp
@@ -0,0 +1,64 @@
+#include "main.h"
+#include "real.h"
+#include <cmath>
+#include <cassert>
+#include <list>
+#include <bitset>
+#include <iostream>
+#include <cfloat>
+#include <fenv.h>
+#include "paranoidnumber.h"
+
+using namespace std;
+using namespace IPDF;
+
+int main(int argc, char ** argv)
+{
+       Debug("FLT_MAX = %.40f", FLT_MAX);
+       Debug("FLT_MIN = %.40f", FLT_MIN);
+       Debug("FLT_EPSILON = %.40f", FLT_EPSILON);
+       
+       ParanoidNumber a("0.3");
+       Debug("start at %s", a.Str().c_str());
+       cout << "0.3 ";
+       float fa = 0.3;
+       double da = 0.3;
+       while (cin.good())
+       {
+               char op;
+               double db;
+               cin >> op >> db;
+               float fb(db);
+               ParanoidNumber b(fb);
+               switch (op)
+               {
+                       case '+':
+                               a += b;
+                               fa += fb;
+                               da += db;
+                               break;
+                       case '-':
+                               a -= b;
+                               fa -= fb;
+                               da -= db;
+                               break;
+                       case '*':
+                               a *= b;
+                               fa *= fb;
+                               da *= db;
+                               break;
+                       case '/':
+                               a /= b;
+                               fa /= fb;
+                               da /= db;
+                               break;
+               }
+                       
+               Debug("a is: %s", a.Str().c_str());
+               Debug("a as double: %.40f\n", a.ToDouble());
+               Debug("floats give: %.40f\n", fa);
+               Debug("double gives: %.40f\n", da);
+               
+               
+       }
+}