exa2pro/starpu-max: porting work to Maxeler DFE @ 7fa7ba746b205522aa9709e141c34019bbffd14d

Samuel Thibault c2a62115aa fix windows cuda build, disable opencl on windows for now (no fork there...)		15 lat temu
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SobolQRNG	6b2bcd48a5 - Rather than generating the random numbers on the host (which introduces a	16 lat temu
pi.c	c2a62115aa fix windows cuda build, disable opencl on windows for now (no fork there...)	15 lat temu
pi.h	c2a62115aa fix windows cuda build, disable opencl on windows for now (no fork there...)	15 lat temu
pi_kernel.cu	c2a62115aa fix windows cuda build, disable opencl on windows for now (no fork there...)	15 lat temu