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!Environment Canada - Atmospheric Science and Technology License/Disclaimer,
!                     version 3; Last Modified: May 7, 2008.
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      SUBROUTINE ZERO(KDIM,PX) 216
#if defined (DOC) 
*
***s/r SIM3D  - Set the vector PX to zero
*
*
*Author  : P. Gauthier *ARMA/AES  June 9, 1992
*Revision:
*
*    -------------------
**    Purpose:
*
*Arguments
*     KDIM   : length of the vector
*     PX     : vector to be set to zero
#endif
      IMPLICIT NONE
C
      INTEGER KDIM, J
      REAL*8 PX(KDIM)
C
 100  CONTINUE
      DO 101 J = 1, KDIM
         PX(J) = 0.
 101  CONTINUE
C
      RETURN
      END