peng xiao df3997b108 Fix ocl::pyrUp
Use predefined OpenCL function to convert integers to floating points.
This is more accurate than before as it enables:
1. saturate cast
2. customized rounding
2013-05-15 08:51:21 +08:00
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2013-03-26 17:19:52 -07:00
2013-05-15 08:51:21 +08:00
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