Yaowu Xu d0dd01b8ce Redo the forward 4x4 dct ... The new fdct lowers the round trip sum squared error for a 4x4 block ~0.12. or ~0.008/pixel. For reference, the old matrix multiply version has average round trip error 1.46 for a 4x4 block. Thanks to "derf" for his suggestions and references. Change-Id: I5559d1e81d333b319404ab16b336b739f87afc79		2010-06-24 13:17:58 -07:00
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csystemdependent.c	Redo the forward 4x4 dct	2010-06-24 13:17:58 -07:00