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Fix typos and errors in comments #809

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Merged
merged 2 commits into from
Mar 29, 2023
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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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fix comments about workspace length 
Some subroutines use WORK(1) but declare WORK length pro rata N which could be equal to 0.
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@jip
jip committed Mar 29, 2023
commit 1f0d9615f16227237d5e975592c03e2310a26235
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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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
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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
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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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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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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
2 changes: 1 addition & 1 deletion SRC/zgesvx.f
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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