Start writing unit tests for CUDA textures
Start writing unit tests for CUDA textures

Tests compare CUDA textures with their Visionaray equivalents
So far only tex1D with R8 texel type

ukoeln-vis/ctpperf,szellmann/visionaray,tu500/visionaray,ukoeln-vis/ctpperf,szellmann/visionaray,tu500/visionaray