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annotate libcruft/fftpack/zffti.f @ 7789:82be108cc558

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First attempt at single precision tyeps * * * corrections to qrupdate single precision routines * * * prefer demotion to single over promotion to double * * * Add single precision support to log2 function * * * Trivial PROJECT file update * * * Cache optimized hermitian/transpose methods * * * Add tests for tranpose/hermitian and ChangeLog entry for new transpose code
author David Bateman <dbateman@free.fr>
date Sun, 27 Apr 2008 22:34:17 +0200
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82be108cc558 First attempt at single precision tyeps
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1 subroutine zffti (n,wsave)
82be108cc558 First attempt at single precision tyeps
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2 implicit double precision (a-h,o-z)
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3 dimension wsave(*)
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4 if (n .eq. 1) return
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5 iw1 = n+n+1
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6 iw2 = iw1+n+n
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7 call zffti1 (n,wsave(iw1),wsave(iw2))
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8 return
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9 end