[arrayfire] 121/248: Fix comparison warnings

[Ghislain Vaillant]

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ghisvail-guest pushed a commit to branch dfsg-clean
in repository arrayfire.

commit 5abb9830f2b2ed23e2635f5a9a32090b7af5b9a9
Author: Shehzan Mohammed <shehzan at arrayfire.com>
Date:   Mon Oct 12 18:40:34 2015 -0400

    Fix comparison warnings
---
 src/backend/cpu/sift_nonfree.hpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/cpu/sift_nonfree.hpp b/src/backend/cpu/sift_nonfree.hpp
index e39fdf1..5f4349f 100644
--- a/src/backend/cpu/sift_nonfree.hpp
+++ b/src/backend/cpu/sift_nonfree.hpp
@@ -652,7 +652,7 @@ namespace cpu
 
             int len = radius*2+1;
 
-            for (int i = 0; i < desc_len; i++)
+            for (int i = 0; i < (int)desc_len; i++)
                 desc[i] = 0.f;
 
             // Calculate orientation histogram
@@ -713,13 +713,13 @@ namespace cpu
 
             normalizeDesc(desc, desc_len);
 
-            for (int i = 0; i < desc_len; i++)
+            for (int i = 0; i < (int)desc_len; i++)
                 desc[i] = min(desc[i], DescrMagThr);
 
             normalizeDesc(desc, desc_len);
 
             // Calculate final descriptor values
-            for (int k = 0; k < desc_len; k++) {
+            for (int k = 0; k < (int)desc_len; k++) {
                 desc_out[f*desc_len+k] = round(min(255.f, desc[k] * IntDescrFctr));
             }
         }

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