DON'T MERGE YET - Code cleaning and extension to general SIMD vectorization#2

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sbacchio wants to merge 18 commits intomasterfrom

Commits on Oct 27, 2016

Commits on Oct 28, 2016

Bug fix and tab indentation replaced.
sbacchio
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Commits on Nov 2, 2016

Added: vectorization for interpolation; initial guess for multi-shift approach.
sbacchio
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Bug fix on update of tm_term and epsbar_term.
sbacchio
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Commits on Nov 6, 2016

Bug fix
sbacchio
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Commits on Nov 10, 2016

Added: vectorization to coarse self couplings. Cleaned coarse_oddeven.c.
sbacchio
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Commits on Nov 11, 2016

Added: vectorization for neighbor couplings on the coarse level. SSE vectorization almost completed. The application of the clover doublet operator vectorized can be optimized more.
sbacchio
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Commits on Nov 12, 2016

Bug fix
sbacchio
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Commits on Nov 17, 2016

Cleaning code and extendig to general SIMD vectorization
sbacchio
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Commits on Nov 22, 2016

Vectorization of fine clover done, but stucked on generalizing vectorization of hopping part.
sbacchio
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Commits on Feb 16, 2017

Fixed residual for squared operator inverted in two steps. Changed tol parameter in multi shift inversion from double to double*; now every shift can have its tolerance.
sbacchio
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Commits on Apr 21, 2017

Commits on Apr 23, 2017