echang.F

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C
!||====================================================================
!||    echang   ../common_source/tools/sort/echang.F
!||--- called by ------------------------------------------------------
!||    iparti   ../common_source/tools/sort/iparti.F
!||    triins   ../common_source/tools/sort/triins.F
!||====================================================================
      SUBROUTINE echang(I,J,TAB)
C
C     SWITCH I and J in TAB
C
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
        INTEGER I, J
C     REAL
        my_real
     .     tab(*)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
C     REAL
        my_real
     .     tempo
        tempo=tab(i)
        tab(i)=tab(j)
        tab(j)=tempo
        RETURN
      END