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Fix descriptor creation with lapack layout matrices

Mathieu Faverge requested to merge faverge/chameleon:hotfix/lapack_descriptor into master
  • When providing a matrix to CHAMELEON_Desc_Create() the ccrb format was incorrectly chosen while it should be cm by default in that case to ease the use with classical column major layout.
  • Optimize examples by preventing the data copy made by the call to Lap2Desc thanks to the above fix.

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