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Viewing changes to Lib/fftpack/dfftpack/dcosti.f

  • Committer: Bazaar Package Importer
  • Author(s): Ondrej Certik
  • Date: 2008-06-16 22:58:01 UTC
  • mfrom: (2.1.24 intrepid)
  • Revision ID: james.westby@ubuntu.com-20080616225801-irdhrpcwiocfbcmt
Tags: 0.6.0-12
http://bugs.debian.org/489149
* The description updated to match the current SciPy (Closes: #489149).
* Standards-Version bumped to 3.8.0 (no action needed)
* Build-Depends: netcdf-dev changed to libnetcdf-dev

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Lib/fftpack/dfftpack/dcosti.f
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      SUBROUTINE DCOSTI (N,WSAVE)
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      IMPLICIT DOUBLE PRECISION (A-H,O-Z)
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      DIMENSION       WSAVE(1)
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      DATA PI /3.14159265358979323846D0/
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      IF (N .LE. 3) RETURN
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      NM1 = N-1
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      NP1 = N+1
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      NS2 = N/2
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      DT = PI/FLOAT(NM1)
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      FK = 0.0D0
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      DO 101 K=2,NS2
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         KC = NP1-K
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         FK = FK+1.0D0
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         WSAVE(K) = 2.0D0*SIN(FK*DT)
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         WSAVE(KC) = 2.0D0*COS(FK*DT)
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  101 CONTINUE
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      CALL DFFTI (NM1,WSAVE(N+1))
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      RETURN
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      END