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C Copyright (c) 2003-2010 University of Florida
C
C This program is free software; you can redistribute it and/or modify
C it under the terms of the GNU General Public License as published by
C the Free Software Foundation; either version 2 of the License, or
C (at your option) any later version.
C This program is distributed in the hope that it will be useful,
C but WITHOUT ANY WARRANTY; without even the implied warranty of
C MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
C GNU General Public License for more details.
C The GNU General Public License is included in this distribution
C in the file COPYRIGHT.
C This routine expands a triangularly packed vector of numbers
C into a square matrix.
C
C WPACK((NDIM*(NDIM+1))/2) ==> WFULL(NDIM,NDIM)
SUBROUTINE EXPND2(WPACK,WFULL,NDIM)
IMPLICIT DOUBLE PRECISION (A-H,O-Z)
DIMENSION WPACK((NDIM*(NDIM+1))/2),WFULL(NDIM,NDIM)
#ifdef _ASSERT
if (ndim.lt.0) then
print *, '@EXPND2: Assertion failed.'
print *, ' ndim = ',ndim
call errex
end if
#endif /* _ASSERT */
ITHRU = 0
DO I = 1, NDIM
DO J = 1, I
ITHRU = ITHRU + 1
WFULL(I,J) = WPACK(ITHRU)
WFULL(J,I) = WPACK(ITHRU)
END DO
END DO
RETURN
END
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