File: SSUB.FT of Tape: Various/ETH/eth11-2
(Source file text)
C C .................................................................. C C SUBROUTINE SSUB C C PURPOSE C SUBTRACT A SCALAR FROM EACH ELEMENT OF A MATRIX TO FORM A C RESULTANT MATRIX C C USAGE C CALL SSUB(A,C,R,N,M,MS) C C DESCRIPTION OF PARAMETERS C A - NAME OF INPUT MATRIX C C - SCALAR C R - NAME OF OUTPUT MATRIX C N - NUMBER OF ROWS IN MATRIX A AND R C M - NUMBER OF COLUMNS IN MATRIX A AND R C MS - ONE DIGIT NUMBER FOR STORAGE MODE OF MATRIX A (AND R) C 0 - GENERAL C 1 - SYMMETRIC C 2 - DIAGONAL C C REMARKS C NONE C C SUBROUTINES AND FUNCTION SUBPROGRAMS REQUIRED C LOC C C METHOD C SCALAR IS SUBTRACTED FROM EACH EACH ELEMENT OF MATRIX C C .................................................................. C SUBROUTINE SSUB(A,C,R,N,M,MS) DIMENSION A(1),R(1) C C COMPUTE VECTOR LENGTH, IT C CALL LOC(N,M,IT,N,M,MS) C C SUBTRACT SCALAR C DO 1 I=1,IT 1 R(I)=A(I)-C RETURN END