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author | jofret | 2009-04-28 07:17:00 +0000 |
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committer | jofret | 2009-04-28 07:17:00 +0000 |
commit | 8c8d2f518968ce7057eec6aa5cd5aec8faab861a (patch) | |
tree | 3dd1788b71d6a3ce2b73d2d475a3133580e17530 /src/lib/lapack/dlaswp.f | |
parent | 9f652ffc16a310ac6641a9766c5b9e2671e0e9cb (diff) | |
download | scilab2c-8c8d2f518968ce7057eec6aa5cd5aec8faab861a.tar.gz scilab2c-8c8d2f518968ce7057eec6aa5cd5aec8faab861a.tar.bz2 scilab2c-8c8d2f518968ce7057eec6aa5cd5aec8faab861a.zip |
Moving lapack to right place
Diffstat (limited to 'src/lib/lapack/dlaswp.f')
-rw-r--r-- | src/lib/lapack/dlaswp.f | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/src/lib/lapack/dlaswp.f b/src/lib/lapack/dlaswp.f deleted file mode 100644 index a11a87e9..00000000 --- a/src/lib/lapack/dlaswp.f +++ /dev/null @@ -1,119 +0,0 @@ - SUBROUTINE DLASWP( N, A, LDA, K1, K2, IPIV, INCX ) -* -* -- LAPACK auxiliary routine (version 3.1) -- -* Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. -* November 2006 -* -* .. Scalar Arguments .. - INTEGER INCX, K1, K2, LDA, N -* .. -* .. Array Arguments .. - INTEGER IPIV( * ) - DOUBLE PRECISION A( LDA, * ) -* .. -* -* Purpose -* ======= -* -* DLASWP performs a series of row interchanges on the matrix A. -* One row interchange is initiated for each of rows K1 through K2 of A. -* -* Arguments -* ========= -* -* N (input) INTEGER -* The number of columns of the matrix A. -* -* A (input/output) DOUBLE PRECISION array, dimension (LDA,N) -* On entry, the matrix of column dimension N to which the row -* interchanges will be applied. -* On exit, the permuted matrix. -* -* LDA (input) INTEGER -* The leading dimension of the array A. -* -* K1 (input) INTEGER -* The first element of IPIV for which a row interchange will -* be done. -* -* K2 (input) INTEGER -* The last element of IPIV for which a row interchange will -* be done. -* -* IPIV (input) INTEGER array, dimension (K2*abs(INCX)) -* The vector of pivot indices. Only the elements in positions -* K1 through K2 of IPIV are accessed. -* IPIV(K) = L implies rows K and L are to be interchanged. -* -* INCX (input) INTEGER -* The increment between successive values of IPIV. If IPIV -* is negative, the pivots are applied in reverse order. -* -* Further Details -* =============== -* -* Modified by -* R. C. Whaley, Computer Science Dept., Univ. of Tenn., Knoxville, USA -* -* ===================================================================== -* -* .. Local Scalars .. - INTEGER I, I1, I2, INC, IP, IX, IX0, J, K, N32 - DOUBLE PRECISION TEMP -* .. -* .. Executable Statements .. -* -* Interchange row I with row IPIV(I) for each of rows K1 through K2. -* - IF( INCX.GT.0 ) THEN - IX0 = K1 - I1 = K1 - I2 = K2 - INC = 1 - ELSE IF( INCX.LT.0 ) THEN - IX0 = 1 + ( 1-K2 )*INCX - I1 = K2 - I2 = K1 - INC = -1 - ELSE - RETURN - END IF -* - N32 = ( N / 32 )*32 - IF( N32.NE.0 ) THEN - DO 30 J = 1, N32, 32 - IX = IX0 - DO 20 I = I1, I2, INC - IP = IPIV( IX ) - IF( IP.NE.I ) THEN - DO 10 K = J, J + 31 - TEMP = A( I, K ) - A( I, K ) = A( IP, K ) - A( IP, K ) = TEMP - 10 CONTINUE - END IF - IX = IX + INCX - 20 CONTINUE - 30 CONTINUE - END IF - IF( N32.NE.N ) THEN - N32 = N32 + 1 - IX = IX0 - DO 50 I = I1, I2, INC - IP = IPIV( IX ) - IF( IP.NE.I ) THEN - DO 40 K = N32, N - TEMP = A( I, K ) - A( I, K ) = A( IP, K ) - A( IP, K ) = TEMP - 40 CONTINUE - END IF - IX = IX + INCX - 50 CONTINUE - END IF -* - RETURN -* -* End of DLASWP -* - END |