C KNORM2    SOURCE    CHAT      05/01/13    00:58:18     5004           
      SUBROUTINE KNORM2(NES,CM,NCM,U,S)
      IMPLICIT INTEGER(I-N)
      IMPLICIT REAL*8 (A-H,O-Z)                                                 
      DIMENSION CM(NES,NCM),U(*),V(2)
C
      DO 10 K=1,NES
         V(K)=CM(K,2)-CM(K,1)
 10   CONTINUE
      S=0
      DO 20 K=1,NES
         S=S+V(K)*V(K)
 20   CONTINUE
      S=DSQRT(S)
      U(1) = -V(2)/S
      U(2) =  V(1)/S
      U(3) = -(U(1)*CM(1,1)+U(2)*CM(2,1))
      RETURN
      END