Subpackages:
zeros_float()
format()
printKernel()
guessGPUType()
toGPUType()
insert_global()
kernel()
elemental()
gpumap()
gputranspose()
transpose()
GPUMatrix
matkern()
matscalar()
matouter()
convertToZScores()
meanCenter()
normalize()
magnitudes()
sums()
means()
variances()
samplevariances()
stds()
sstds()
dotproducts()
correlation()
correlation2()