From 2adc3c7fddcfa1b5739d7d23b222d83409303960 Mon Sep 17 00:00:00 2001
From: Will Charczuk <will.charczuk@gmail.com>
Date: Sat, 16 Jul 2016 13:25:21 -0700
Subject: [PATCH] exp. last value and test.

---
 exp_moving_average_series.go      | 8 +++++++-
 exp_moving_average_series_test.go | 4 ++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/exp_moving_average_series.go b/exp_moving_average_series.go
index 78b8eca..671c740 100644
--- a/exp_moving_average_series.go
+++ b/exp_moving_average_series.go
@@ -78,7 +78,13 @@ func (mas ExponentialMovingAverageSeries) GetLastValue() (x float64, y float64)
 		return
 	}
 
-	return 0.0, 0.0 //this one is going to be a bitch.
+	seriesLength := mas.InnerSeries.Len()
+	for index := 0; index < seriesLength; index++ {
+		x, _ = mas.GetValue(index)
+	}
+
+	y = mas.valueBuffer[seriesLength-1]
+	return
 }
 
 // Render renders the series.
diff --git a/exp_moving_average_series_test.go b/exp_moving_average_series_test.go
index 09bd9f3..4b23b7c 100644
--- a/exp_moving_average_series_test.go
+++ b/exp_moving_average_series_test.go
@@ -28,4 +28,8 @@ func TestExponentialMovingAverageSeries(t *testing.T) {
 
 	assert.Equal(10.0, yvalues[0])
 	assert.True(math.Abs(yvalues[9]-3.77) < 0.01)
+
+	lvx, lvy := mas.GetLastValue()
+	assert.Equal(10.0, lvx)
+	assert.True(math.Abs(lvy-3.77) < 0.01)
 }