[arrayfire] 65/84: DOC Add code sample to convert available backends to bool

[Ghislain Vaillant]

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ghisvail-guest pushed a commit to branch master
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commit 4e06483a488bcc37496b1dbfa672c36e266146cc
Author: Shehzan Mohammed <shehzan at arrayfire.com>
Date:   Tue Dec 29 14:33:52 2015 -0500

    DOC Add code sample to convert available backends to bool
---
 docs/details/backend.dox | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/docs/details/backend.dox b/docs/details/backend.dox
index fafa453..4d9cdf6 100644
--- a/docs/details/backend.dox
+++ b/docs/details/backend.dox
@@ -45,6 +45,15 @@ Return Value | Backends Available
 6            | CUDA and OpenCL
 7            | CPU, CUDA and OpenCL
 
+To convert the integer back into bools for each device, use the following code
+\code
+int backends = af::getAvailableBackends();
+
+bool cpu    = backends & AF_BACKEND_CPU;
+bool cuda   = backends & AF_BACKEND_CUDA;
+bool opencl = backends & AF_BACKEND_OPENCL;
+\endcode
+
 \ingroup unified_func
 \ingroup arrayfire_func
 

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