Is it possible to see the source file of CUBLAS?

I want to use GPU at very large size complex matrix multiplication. CUBLAS will be a good solution for this, but some parts need to be changed. So if CUBLAS source file is opened, How could I see it? and Is there any good information for my project?

The CUBLAS source is available for download:

http://forums.nvidia.com/index.php?showtopic=59101

Thank you for your help, but I have to use double precison number, so it would be better for me to get the CUBLAS v2.0 source file. If there is anyone who knows the location of CUBLAS v2.0 source file, please let me know~

Thank you for your help, but I have to use double precison number, so it would be better for me to get the CUBLAS v2.0 source file. If there is anyone who knows the location of CUBLAS v2.0 source file, please let me know~