misc - added float range

brianvoe · Jun 2, 2017 · f12e077 · f12e077
1 parent 637dd37
commit f12e077
Show file tree

Hide file tree

Showing 2 changed files with 13 additions and 0 deletions.
diff --git a/misc.go b/misc.go
@@ -57,3 +57,10 @@ func randIntRange(min, max int) int {
 	}
 	return rand.Intn((max+1)-min) + min
 }
+
+func randFloatRange(min, max float64) float64 {
+	if min == max {
+		return min
+	}
+	return rand.Float64()*(max-min) + min
+}
diff --git a/misc_test.go b/misc_test.go
@@ -13,3 +13,9 @@ func TestGetRandValueFail(t *testing.T) {
 		t.Error("You should have gotten no value back")
 	}
 }
+
+func TestRandFloatRangeSame(t *testing.T) {
+	if randFloatRange(5.0, 5.0) != 5.0 {
+		t.Error("You should have gotten 5.0 back")
+	}
+}