Add #define to transform Object bounds on the fly

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

diff --git a/src/tests/realops.cpp b/src/tests/realops.cpp
index 8076a14..dd45aa8 100644 (file)
--- a/src/tests/realops.cpp
+++ b/src/tests/realops.cpp
@@ -1,25 +1,35 @@
+/**
+ * Test mathematical operations on the Real type and consistency with double
+ */
+
 #include "main.h"
 #include "real.h"
 
 using namespace std;
 using namespace IPDF;
 
-#define TEST_CASES 100
+#define TEST_CASES 1000
+
+static double g_totalerror = 0;
 
-bool NotEqual(double a, double b, double threshold=1e-2)
+bool NotEqual(double a, double b, double threshold=1e-4)
 {
-       return (fabs(a-b) > threshold);
+       double error = fabs(a-b);
+       g_totalerror += error;
+       return (error > threshold);
 }
 
 int main(int argc, char ** argv)
 {
        srand(time(NULL));
+       DebugRealInfo();
        
        unsigned failures = 0;
        for (unsigned i = 0; i < TEST_CASES; ++i)
        {
-               double da = (double)(rand()%100 + 1) / (double)(rand()%100 + 1);
-               double db = (double)(rand()%100 + 1) / (double)(rand()%100 + 1);
+               //Debug("Test %u of %u", i, TEST_CASES);
+               double da = (double)(rand() + 1) / (double)(rand() + 1);
+               double db = (double)(rand() + 1) / (double)(rand() + 1);
                
                if (rand() % 2 == 0)
                        da = -da;
@@ -106,7 +116,18 @@ int main(int argc, char ** argv)
                {
                        failures++;
                        Warn("a /= b = %f should be %f, a before op was %f", Double(a), da, Double(abeforeop));
+               }
+               if (NotEqual(Double(a*0.0 + 1.0), da*0.0 + 1.0))
+               {
+                       failures++;
+                       Warn("a * 0 = %f should be %f, a before op was %f", Double(a), da, Double(abeforeop));
                }               
+
+               if (NotEqual(Double(a=b), da=db))
+               {
+                       failures++;
+                       Warn("a = b = %f should be %f, a before op was %f", Double(a), da, Double(abeforeop));
+               }
                
                if (failures > old_failures)
                {
@@ -117,5 +138,6 @@ int main(int argc, char ** argv)
                }
        }
        Debug("Completed %u test cases with total of %u operations, %u failures", TEST_CASES, 12*TEST_CASES, failures);
+       Debug("Total accumulated difference between Real and Double operations was %f", g_totalerror);
 
 }