Bugfixes.

Signed-off-by: deepak <dpak.cherian@gmail.com>
Non-vectorized version of prsgrd32 is in prsgrd32v2.m


Bugfixes to others.

Signed-off-by: deepak <dpak.cherian@gmail.com>
Add prsgrd attempts & matGeom.

Signed-off-by: deepak <dpak.cherian@gmail.com>