[arrayfire] 44/284: fix for async sift cpu function

[Ghislain Vaillant]

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ghisvail-guest pushed a commit to branch debian/experimental
in repository arrayfire.

commit 6fc636fead1e3e14b9da100375c8a5651e2c1089
Author: pradeep <pradeep at arrayfire.com>
Date:   Wed Dec 2 11:40:47 2015 -0500

    fix for async sift cpu function
    
    Added input evaluation for sift cpu backend function to ensure
    the inputs have correct values before sift operation begins.
---
 src/backend/cpu/sift_nonfree.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/backend/cpu/sift_nonfree.hpp b/src/backend/cpu/sift_nonfree.hpp
index 514a134..853f407 100644
--- a/src/backend/cpu/sift_nonfree.hpp
+++ b/src/backend/cpu/sift_nonfree.hpp
@@ -968,6 +968,7 @@ namespace cpu
                        const float img_scale, const float feature_ratio,
                        const bool compute_GLOH)
     {
+        in.eval();
         af::dim4 idims = in.dims();
 
         const unsigned min_dim = (double_input) ? min(idims[0]*2, idims[1]*2)

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