sd_odrv.f File Reference

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Functions/Subroutines
subroutine	sd_odrv (N, IA, JA, A, P, IP, NSP, ISP, PATH, FLAG)

Function/Subroutine Documentation

sd_odrv()

subroutine sd_odrv	(	integer, intent(in)	N,
		integer, dimension(n+1), intent(inout)	IA,
		integer, dimension(*), intent(inout)	JA,
		double precision, dimension(*), intent(inout)	A,
		integer, dimension(n), intent(inout)	P,
		integer, dimension(n), intent(inout)	IP,
		integer, intent(in)	NSP,
		integer, dimension(nsp), intent(inout)	ISP,
		integer, intent(in)	PATH,
		integer, intent(inout)	FLAG
	)

Parameters

[in]	n	[out] A Real one-dimensional array containing the NONZERO ENTRIES IN (THE UPPER TRIANGLE OF) M, STORED BY ROWS; DIMENSION =NUMBER OF NONZERO ENTRIES IN (THE UPPER TRIANGLE OF) M
[out]	FLAG	Integer error flag; values and their meanings are - 0 NO ERRORS DETECTED 9N+K INSUFFICIENT STORAGE IN MD 10N+1 INSUFFICIENT STORAGE IN ODRV 11N+1 ILLEGAL PATH SPECIFICATION
[out]	IA	Integer one-dimensional array containing POINTERS TO DELIMIT ROWS IN JA AND A; DIMENSION = N+1
[out]	IP	Integer one-dimensional array used to return THE INVERSE OF THE PERMUTATION RETURNED IN P; DIMENSION = N
[out]	ISP	Integer one-dimensional array used for WORKING STORAGE; DIMENSION = NSP
[out]	JA	Integer one-dimensional array containing the COLUMN INDICES CORRESPONDING TO THE ELEMENTS OF A; DIMENSION = NUMBER OF NONZERO ENTRIES IN (THE UPPER TRIANGLE OF) M
[in]	N	Order of the matrix
[in]	NSP	Declared dimension of the one-dimensional ARRAY ISP; NSP MUST BE AT LEAST 3N+4K, WHERE K IS THE NUMBER OF NONZEROES IN THE STRICT UPPER TRIANGLE OF M
[out]	P	Integer one-dimensional array used to return THE PERMUTATION OF THE ROWS AND COLUMNS OF M CORRESPONDING TO THE MINIMUM DEGREE ORDERING; DIMENSION = N
[in]	PATH	Integer path specification; VALUES AND THEIR MEANINGS ARE - 1 FIND MINIMUM DEGREE ORDERING ONLY 2 FIND MINIMUM DEGREE ORDERING AND REORDER SYMMETRICALLY STORED MATRIX (USED WHEN ONLY THE NONZERO ENTRIES IN THE UPPER TRIANGLE OF M ARE BEING STORED) 3 REORDER SYMMETRICALLY STORED MATRIX AS SPECIFIED BY INPUT PERMUTATION (USED WHEN AN ORDERING HAS ALREADY BEEN DETERMINED AND ONLY THE NONZERO ENTRIES IN THE UPPER TRIANGLE OF M ARE BEING STORED) 4 SAME AS 2 BUT PUT DIAGONAL ENTRIES AT START OF EACH ROW 5 SAME AS 3 BUT PUT DIAGONAL ENTRIES AT START OF EACH ROW
[in]	nsp	[out] A Real one-dimensional array containing the NONZERO ENTRIES IN (THE UPPER TRIANGLE OF) M, STORED BY ROWS; DIMENSION =NUMBER OF NONZERO ENTRIES IN (THE UPPER TRIANGLE OF) M
[out]	FLAG	Integer error flag; values and their meanings are - 0 NO ERRORS DETECTED 9N+K INSUFFICIENT STORAGE IN MD 10N+1 INSUFFICIENT STORAGE IN ODRV 11N+1 ILLEGAL PATH SPECIFICATION
[out]	IA	Integer one-dimensional array containing POINTERS TO DELIMIT ROWS IN JA AND A; DIMENSION = N+1
[out]	IP	Integer one-dimensional array used to return THE INVERSE OF THE PERMUTATION RETURNED IN P; DIMENSION = N
[out]	ISP	Integer one-dimensional array used for WORKING STORAGE; DIMENSION = NSP
[out]	JA	Integer one-dimensional array containing the COLUMN INDICES CORRESPONDING TO THE ELEMENTS OF A; DIMENSION = NUMBER OF NONZERO ENTRIES IN (THE UPPER TRIANGLE OF) M
[in]	N	Order of the matrix
[in]	NSP	Declared dimension of the one-dimensional ARRAY ISP; NSP MUST BE AT LEAST 3N+4K, WHERE K IS THE NUMBER OF NONZEROES IN THE STRICT UPPER TRIANGLE OF M
[out]	P	Integer one-dimensional array used to return THE PERMUTATION OF THE ROWS AND COLUMNS OF M CORRESPONDING TO THE MINIMUM DEGREE ORDERING; DIMENSION = N
[in]	PATH	Integer path specification; VALUES AND THEIR MEANINGS ARE - 1 FIND MINIMUM DEGREE ORDERING ONLY 2 FIND MINIMUM DEGREE ORDERING AND REORDER SYMMETRICALLY STORED MATRIX (USED WHEN ONLY THE NONZERO ENTRIES IN THE UPPER TRIANGLE OF M ARE BEING STORED) 3 REORDER SYMMETRICALLY STORED MATRIX AS SPECIFIED BY INPUT PERMUTATION (USED WHEN AN ORDERING HAS ALREADY BEEN DETERMINED AND ONLY THE NONZERO ENTRIES IN THE UPPER TRIANGLE OF M ARE BEING STORED) 4 SAME AS 2 BUT PUT DIAGONAL ENTRIES AT START OF EACH ROW 5 SAME AS 3 BUT PUT DIAGONAL ENTRIES AT START OF EACH ROW
[in]	path	[out] A Real one-dimensional array containing the NONZERO ENTRIES IN (THE UPPER TRIANGLE OF) M, STORED BY ROWS; DIMENSION =NUMBER OF NONZERO ENTRIES IN (THE UPPER TRIANGLE OF) M
[out]	FLAG	Integer error flag; values and their meanings are - 0 NO ERRORS DETECTED 9N+K INSUFFICIENT STORAGE IN MD 10N+1 INSUFFICIENT STORAGE IN ODRV 11N+1 ILLEGAL PATH SPECIFICATION
[out]	IA	Integer one-dimensional array containing POINTERS TO DELIMIT ROWS IN JA AND A; DIMENSION = N+1
[out]	IP	Integer one-dimensional array used to return THE INVERSE OF THE PERMUTATION RETURNED IN P; DIMENSION = N
[out]	ISP	Integer one-dimensional array used for WORKING STORAGE; DIMENSION = NSP
[out]	JA	Integer one-dimensional array containing the COLUMN INDICES CORRESPONDING TO THE ELEMENTS OF A; DIMENSION = NUMBER OF NONZERO ENTRIES IN (THE UPPER TRIANGLE OF) M
[in]	N	Order of the matrix
[in]	NSP	Declared dimension of the one-dimensional ARRAY ISP; NSP MUST BE AT LEAST 3N+4K, WHERE K IS THE NUMBER OF NONZEROES IN THE STRICT UPPER TRIANGLE OF M
[out]	P	Integer one-dimensional array used to return THE PERMUTATION OF THE ROWS AND COLUMNS OF M CORRESPONDING TO THE MINIMUM DEGREE ORDERING; DIMENSION = N
[in]	PATH	Integer path specification; VALUES AND THEIR MEANINGS ARE - 1 FIND MINIMUM DEGREE ORDERING ONLY 2 FIND MINIMUM DEGREE ORDERING AND REORDER SYMMETRICALLY STORED MATRIX (USED WHEN ONLY THE NONZERO ENTRIES IN THE UPPER TRIANGLE OF M ARE BEING STORED) 3 REORDER SYMMETRICALLY STORED MATRIX AS SPECIFIED BY INPUT PERMUTATION (USED WHEN AN ORDERING HAS ALREADY BEEN DETERMINED AND ONLY THE NONZERO ENTRIES IN THE UPPER TRIANGLE OF M ARE BEING STORED) 4 SAME AS 2 BUT PUT DIAGONAL ENTRIES AT START OF EACH ROW 5 SAME AS 3 BUT PUT DIAGONAL ENTRIES AT START OF EACH ROW

Definition at line 7 of file sd_odrv.f.

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