From 25e35d1bc06878c97bb5b31d7a9b0e08036f47a5 Mon Sep 17 00:00:00 2001
From: Miguel de Icaza <miguel@gnome.org>
Date: Wed, 8 Nov 2017 10:31:08 -0500
Subject: [PATCH] Fix issue #75 - Andrew Violette tracked down the bug with the
 MNIST loader not working correctly - was copying byte sized blocks, not
 float-sized blocks

---
 Learn/Datasets/MNIST.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Learn/Datasets/MNIST.cs b/Learn/Datasets/MNIST.cs
index a7aafcbd..b31fa3f2 100644
--- a/Learn/Datasets/MNIST.cs
+++ b/Learn/Datasets/MNIST.cs
@@ -68,8 +68,8 @@ internal BatchReader (MnistImage [] source, byte [] labels, byte [,] oneHotLabel
 
 				int p = 0;
 				for (int item = 0; item < batchSize; item++) {
-					Buffer.BlockCopy (source [start+item].DataFloat, 0, imageData, p, 784);
-					p += 784;
+					Buffer.BlockCopy (source [start+item].DataFloat, 0, imageData, p, 784 * sizeof (float));
+					p += 784 * sizeof (float);
 					for (var j = 0; j < 10; j++)
 						labelData [item, j] = oneHotLabels [item + start, j];
 				}