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decus_20tap2_198111
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decus/20-0026/srma.doc
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SUBROUTINE SRMA
PURPOSE
MULTIPLY ROW OF MATRIX BY A SCALAR AND ADD TO ANOTHER ROW
OF THE SAME MATRIX
USAGE
CALL SRMA(A,C,N,M,LA,LB)
DESCRIPTION OF PARAMETERS
A - NAME OF MATRIX
C - SCALAR
N - NUMBER OF ROWS IN A
M - NUMBER OF COLUMNS IN A
LA - ROW IN A TO BE MULTIPLIED BY SCALAR
LB - ROW IN A TO WHICH PRODUCT IS ADDED
IF 0 IS SPECIFIED, PRODUCT REPLACES ELEMENTS IN ROW LA
REMARKS
MATRIX A MUST BE A GENERAL MATRIX
SUBROUTINES AND FUNCTION SUBPROGRAMS REQUIRED
NONE
METHOD
EACH ELEMENT OF ROW LA IS MULTIPLIED BY SCALAR C AND THE
PRODUCT IS ADDED TO THE CORRESPONDING ELEMENT OF ROW LB.
ROW LA REMAINS UNAFFECTED BY THE OPERATION.
IF PARAMETER LB CONTAINS ZERO, MULTIPLICATION BY THE SCALAR
IS PERFORMED AND THE PRODUCT REPLACES ELEMENTS IN ROW LA.