From c2cbc78b5fc426debfbaa5aa94e3a91e0bdb77bb Mon Sep 17 00:00:00 2001
From: jules <jules@rawmaterialsoftware.com>
Date: Tue, 3 Feb 2015 17:49:13 +0000
Subject: [PATCH] Fix to the LagrangeInterpolator when working with extreme
 ratios.

---
 .../effects/juce_LagrangeInterpolator.cpp              | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/modules/juce_audio_basics/effects/juce_LagrangeInterpolator.cpp b/modules/juce_audio_basics/effects/juce_LagrangeInterpolator.cpp
index 7bab3a576f..6d26cc46f5 100644
--- a/modules/juce_audio_basics/effects/juce_LagrangeInterpolator.cpp
+++ b/modules/juce_audio_basics/effects/juce_LagrangeInterpolator.cpp
@@ -87,7 +87,10 @@ int LagrangeInterpolator::process (const double actualRatio, const float* in,
 
         if (numOut >= 4)
         {
-            memcpy (lastInputSamples, in + (numOut - 4), 4 * sizeof (float));
+            const float* end = in + numOut;
+
+            for (int i = 0; i < 4; ++i)
+                lastInputSamples[i] = *--end;
         }
         else
         {
@@ -152,7 +155,10 @@ int LagrangeInterpolator::processAdding (const double actualRatio, const float*
 
         if (numOut >= 4)
         {
-            memcpy (lastInputSamples, in + (numOut - 4), 4 * sizeof (float));
+            const float* end = in + numOut;
+
+            for (int i = 0; i < 4; ++i)
+                lastInputSamples[i] = *--end;
         }
         else
         {