[Pspp-commits] [SCM] GNU PSPP branch, master, updated. v0.6.1-2288-g019d870

[John Darrington]

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- Log -----------------------------------------------------------------
commit 019d870c9a961108b6b5e762ce968db2e06203a7
Author: John Darrington <address@hidden>
Date:   Tue Nov 15 15:47:10 2011 +0100

    sweep.c: Use gsl_matrix_memcpy instead of element by element copying.
    
    Although only the upper triangle needs to be copied, there is no
    disadvantage copying the entire matrix (the lower triangle is never read)
    and the expense of using two loops is likely to outweigh the saving achieved
    by avoiding the other triangle.

commit 90afc1f0572a82bd6eb4532350b368c685b3cc7b
Author: John Darrington <address@hidden>
Date:   Tue Nov 15 15:20:59 2011 +0100

    sweep.c: Move repeated call out of if ... else
    
    This line is identical for all cases, so it only needs to appear once.

commit b8f1c67b087b875d45c28bcae330910e7723d6c6
Author: John Darrington <address@hidden>
Date:   Tue Nov 15 15:14:30 2011 +0100

    sweep.c: Reduce scope of local variables and avoid reusing them.
    
    This makes the code easier to follow, and helps the compiler with
    optimisation.

commit 1e60b6097b6ad896787a0aa831d82fd98b946dd5
Author: John Darrington <address@hidden>
Date:   Tue Nov 15 14:57:34 2011 +0100

    sweep.c: Reverse sense of consistency tests.
    
    This avoids numerous levels of indentation.

commit f46d2c634b595c67a5af7994de9f6c851f632898
Author: John Darrington <address@hidden>
Date:   Tue Nov 15 14:51:49 2011 +0100

    sweep.c: swap rows/columns instead of using indirection for last_col
    
    This makes the code shorter, and I believe should make it faster too.

-----------------------------------------------------------------------

Summary of changes:
 lib/linreg/sweep.c |  173 ++++++++++++++++++++++------------------------------
 1 files changed, 74 insertions(+), 99 deletions(-)


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