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Fix typos and errors in comments #809

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Mar 29, 2023
Merged

Fix typos and errors in comments #809

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c30a253
fix typos in documentation of GEJSV
jip Mar 29, 2023
1f0d961
fix comments about workspace length
jip Mar 29, 2023
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2 changes: 1 addition & 1 deletion SRC/cgbsvx.f
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Expand Up @@ -322,7 +322,7 @@
*>
*> \param[out] RWORK
*> \verbatim
*> RWORK is REAL array, dimension (N)
*> RWORK is REAL array, dimension (MAX(1,N))
*> On exit, RWORK(1) contains the reciprocal pivot growth
*> factor norm(A)/norm(U). The "max absolute element" norm is
*> used. If RWORK(1) is much less than 1, then the stability
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10 changes: 5 additions & 5 deletions SRC/cgejsv.f
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Expand Up @@ -151,7 +151,7 @@
*> transposed A if A^* seems to be better with respect to convergence.
*> If the matrix is not square, JOBT is ignored.
*> The decision is based on two values of entropy over the adjoint
*> orbit of A^* * A. See the descriptions of WORK(6) and WORK(7).
*> orbit of A^* * A. See the descriptions of RWORK(6) and RWORK(7).
*> = 'T': transpose if entropy test indicates possibly faster
*> convergence of Jacobi process if A^* is taken as input. If A is
*> replaced with A^*, then the row pivoting is included automatically.
Expand Down Expand Up @@ -209,11 +209,11 @@
*> \verbatim
*> SVA is REAL array, dimension (N)
*> On exit,
*> - For WORK(1)/WORK(2) = ONE: The singular values of A. During the
*> computation SVA contains Euclidean column norms of the
*> - For RWORK(1)/RWORK(2) = ONE: The singular values of A. During
*> the computation SVA contains Euclidean column norms of the
*> iterated matrices in the array A.
*> - For WORK(1) .NE. WORK(2): The singular values of A are
*> (WORK(1)/WORK(2)) * SVA(1:N). This factored form is used if
*> - For RWORK(1) .NE. RWORK(2): The singular values of A are
*> (RWORK(1)/RWORK(2)) * SVA(1:N). This factored form is used if
*> sigma_max(A) overflows or if small singular values have been
*> saved from underflow by scaling the input matrix A.
*> - If JOBR='R' then some of the singular values may be returned
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2 changes: 1 addition & 1 deletion SRC/cgesvx.f
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Expand Up @@ -302,7 +302,7 @@
*>
*> \param[out] RWORK
*> \verbatim
*> RWORK is REAL array, dimension (2*N)
*> RWORK is REAL array, dimension (MAX(1,2*N))
*> On exit, RWORK(1) contains the reciprocal pivot growth
*> factor norm(A)/norm(U). The "max absolute element" norm is
*> used. If RWORK(1) is much less than 1, then the stability
Expand Down
2 changes: 1 addition & 1 deletion SRC/dgbsvx.f
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Expand Up @@ -316,7 +316,7 @@
*>
*> \param[out] WORK
*> \verbatim
*> WORK is DOUBLE PRECISION array, dimension (3*N)
*> WORK is DOUBLE PRECISION array, dimension (MAX(1,3*N))
*> On exit, WORK(1) contains the reciprocal pivot growth
*> factor norm(A)/norm(U). The "max absolute element" norm is
*> used. If WORK(1) is much less than 1, then the stability
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2 changes: 1 addition & 1 deletion SRC/dgejsv.f
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Expand Up @@ -362,7 +362,7 @@
*>
*> \param[out] IWORK
*> \verbatim
*> IWORK is INTEGER array, dimension (M+3*N).
*> IWORK is INTEGER array, dimension (MAX(3,M+3*N)).
*> On exit,
*> IWORK(1) = the numerical rank determined after the initial
*> QR factorization with pivoting. See the descriptions
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2 changes: 1 addition & 1 deletion SRC/dgesvx.f
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Expand Up @@ -296,7 +296,7 @@
*>
*> \param[out] WORK
*> \verbatim
*> WORK is DOUBLE PRECISION array, dimension (4*N)
*> WORK is DOUBLE PRECISION array, dimension (MAX(1,4*N))
*> On exit, WORK(1) contains the reciprocal pivot growth
*> factor norm(A)/norm(U). The "max absolute element" norm is
*> used. If WORK(1) is much less than 1, then the stability
Expand Down
2 changes: 1 addition & 1 deletion SRC/sgbsvx.f
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Expand Up @@ -316,7 +316,7 @@
*>
*> \param[out] WORK
*> \verbatim
*> WORK is REAL array, dimension (3*N)
*> WORK is REAL array, dimension (MAX(1,3*N))
*> On exit, WORK(1) contains the reciprocal pivot growth
*> factor norm(A)/norm(U). The "max absolute element" norm is
*> used. If WORK(1) is much less than 1, then the stability
Expand Down
2 changes: 1 addition & 1 deletion SRC/sgesvx.f
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Original file line number Diff line number Diff line change
Expand Up @@ -296,7 +296,7 @@
*>
*> \param[out] WORK
*> \verbatim
*> WORK is REAL array, dimension (4*N)
*> WORK is REAL array, dimension (MAX(1,4*N))
*> On exit, WORK(1) contains the reciprocal pivot growth
*> factor norm(A)/norm(U). The "max absolute element" norm is
*> used. If WORK(1) is much less than 1, then the stability
Expand Down
2 changes: 1 addition & 1 deletion SRC/zgbsvx.f
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Original file line number Diff line number Diff line change
Expand Up @@ -322,7 +322,7 @@
*>
*> \param[out] RWORK
*> \verbatim
*> RWORK is DOUBLE PRECISION array, dimension (N)
*> RWORK is DOUBLE PRECISION array, dimension (MAX(1,N))
*> On exit, RWORK(1) contains the reciprocal pivot growth
*> factor norm(A)/norm(U). The "max absolute element" norm is
*> used. If RWORK(1) is much less than 1, then the stability
Expand Down
10 changes: 5 additions & 5 deletions SRC/zgejsv.f
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Original file line number Diff line number Diff line change
Expand Up @@ -151,7 +151,7 @@
*> transposed A if A^* seems to be better with respect to convergence.
*> If the matrix is not square, JOBT is ignored.
*> The decision is based on two values of entropy over the adjoint
*> orbit of A^* * A. See the descriptions of WORK(6) and WORK(7).
*> orbit of A^* * A. See the descriptions of RWORK(6) and RWORK(7).
*> = 'T': transpose if entropy test indicates possibly faster
*> convergence of Jacobi process if A^* is taken as input. If A is
*> replaced with A^*, then the row pivoting is included automatically.
Expand Down Expand Up @@ -209,11 +209,11 @@
*> \verbatim
*> SVA is DOUBLE PRECISION array, dimension (N)
*> On exit,
*> - For WORK(1)/WORK(2) = ONE: The singular values of A. During the
*> computation SVA contains Euclidean column norms of the
*> - For RWORK(1)/RWORK(2) = ONE: The singular values of A. During
*> the computation SVA contains Euclidean column norms of the
*> iterated matrices in the array A.
*> - For WORK(1) .NE. WORK(2): The singular values of A are
*> (WORK(1)/WORK(2)) * SVA(1:N). This factored form is used if
*> - For RWORK(1) .NE. RWORK(2): The singular values of A are
*> (RWORK(1)/RWORK(2)) * SVA(1:N). This factored form is used if
*> sigma_max(A) overflows or if small singular values have been
*> saved from underflow by scaling the input matrix A.
*> - If JOBR='R' then some of the singular values may be returned
Expand Down
2 changes: 1 addition & 1 deletion SRC/zgesvx.f
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Original file line number Diff line number Diff line change
Expand Up @@ -302,7 +302,7 @@
*>
*> \param[out] RWORK
*> \verbatim
*> RWORK is DOUBLE PRECISION array, dimension (2*N)
*> RWORK is DOUBLE PRECISION array, dimension (MAX(1,2*N))
*> On exit, RWORK(1) contains the reciprocal pivot growth
*> factor norm(A)/norm(U). The "max absolute element" norm is
*> used. If RWORK(1) is much less than 1, then the stability
Expand Down