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fvn_fnlib/zcosh.f 245 Bytes
0c3098aed   cwaterkeyn   ChW 02/2010 for t...
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        complex(kind(1.d0)) function zcosh (z)
38581db0c   daniau   git-svn-id: https...
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        implicit none
  c april 1977 version.  w. fullerton, c3, los alamos scientific lab.
0c3098aed   cwaterkeyn   ChW 02/2010 for t...
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        complex(kind(1.d0)) z, ci
00055ac08   kwagner   Define some const...
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        data ci /(0.d0,1.d0)/
38581db0c   daniau   git-svn-id: https...
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  c
        zcosh = cos (ci*z)
  c
        return
        end