Test the key/value scan algorithms with thrust::device in __device__ code.
Test the key/value scan algorithms with thrust::device in __device__ code.

xiongzhanblake/thrust_src,xiongzhanblake/thrust_src,raygit/thrust,GrimDerp/thrust,egaburov/thrust,xiongzhanblake/thrust,zeryx/thrust,sdalton1/thrust,zeryx/thrust,raygit/thrust,Ricardo666666/thrust,sdalton1/thrust,xiongzhanblake/thrust,andrewcorrigan/thrust-multi-permutation-iterator,marksantos/thrust,xiongzhanblake/thrust,mohamed-ali/thrust,zhenglaizhang/thrust,egaburov/thrust,Ricardo666666/thrust,raygit/thrust,andrewcorrigan/thrust-multi-permutation-iterator,sarvex/thrust,zhenglaizhang/thrust,GrimDerp/thrust,arnabgho/thrust,jaredhoberock/thrust,thvasilo/thrust,thrust/thrust,thrust/thrust,dachziegel/thrust,jaredhoberock/thrust,thrust/thrust,marksantos/thrust,xiongzhanblake/thrust_src,jaredhoberock/thrust,thrust/thrust,jaredhoberock/thrust,sarvex/thrust,dachziegel/thrust,dachziegel/thrust,egaburov/thrust,andrewcorrigan/thrust-multi-permutation-iterator,thvasilo/thrust,zhenglaizhang/thrust,mohamed-ali/thrust,arnabgho/thrust,marksantos/thrust,sarvex/thrust,zeryx/thrust,Ricardo666666/thrust,mohamed-ali/thrust,arnabgho/thrust,jaredhoberock/thrust,thvasilo/thrust,sdalton1/thrust,GrimDerp/thrust,thrust/thrust