exa2pro/starpu-max: porting work to Maxeler DFE @ 326d62a34fb788d6e78d304540f4487580f0ed52

Cédric Augonnet c41968e0c0 minor fix: remove a useless header		пре 17 година
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ppm-downscaler.c	407c0fa3dc some systems don't have memalign	пре 17 година
ppm-downscaler.h	626b22ba6f introduce a new example "downscaler", no real stuff for the moment	пре 17 година
yuv-downscaler.c	c41968e0c0 minor fix: remove a useless header	пре 17 година
yuv-downscaler.h	846e608648 use StarPU to perform YUV downscaling (CPU only yet)	пре 17 година