Better win_o ignores. The random number system is pretty much together.

We need a few extra helper functions to cover some other good things, like
normalized floating point numbers, etc.

1 files changed, 49 insertions, 0 deletions

diff --git a/src/tests/random.cpp b/src/tests/random.cpp
new file mode 100644
index 0000000..3799803
--- /dev/null
+++ b/src/tests/random.cpp
@@ -0,0 +1,49 @@
+#include <bu/randombasic.h>
+#include <bu/randomcmwc.h>
+#include <bu/randomsystem.h>
+#include <bu/sio.h>
+#include <time.h>
+
+using namespace Bu;
+
+template<typename T>
+void coverage()
+{
+        T rand;
+        rand.seed( time( NULL ) );
+
+        uint32_t uBucket[78];
+        memset( uBucket, 0, sizeof(uint32_t)*78 );
+
+        for( int j = 0; j < 1000000; j++ )
+        {
+                uBucket[(int)(((uint32_t)rand.rand())/(double)(0xfffffffful)*78+0.5)]++;
+        }
+
+        uint32_t uMax = 0;
+        for( int j = 0; j < 78; j++ )
+        {
+                if( uMax < uBucket[j] )
+                        uMax = uBucket[j];
+        }
+
+        for( int y = 20; y >= 1; y-- )
+        {
+                uint32_t iT = (uint32_t)((y/20.0)*uMax);
+                for( int x = 0; x < 78; x++ )
+                {
+                        sio << ((iT<=uBucket[x])?"#":" ");
+                }
+                sio << sio.nl;
+        }
+}
+
+int main()
+{
+        coverage<RandomBasic>();
+        coverage<RandomCmwc>();
+        coverage<RandomSystem>();
+
+        return 0;
+}
+