initial import

core/mathx/entropy_test.go

@@ -0,0 +1,17 @@
+package mathx
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCalcEntropy(t *testing.T) {
+	const total = 1000
+	const count = 100
+	m := make(map[interface{}]int, total)
+	for i := 0; i < total; i++ {
+		m[i] = count
+	}
+	assert.True(t, CalcEntropy(m, total*count) > .99)
+}