Bug#694625: libblas3gf: DGEMV does not handle properly N=0

2012-11-28 Thread Sébastien Villemot
Christophe TROESTLER writes: > On Wed, 28 Nov 2012 15:47:08 +0100, Sébastien Villemot wrote: >> >> I have tested the three BLAS implementations available in Debian (netlib >> BLAS, ATLAS and OpenBLAS), and they all give the same result (bad from >> your point of view). >> >> So I am not sure th

Bug#694625: libblas3gf: DGEMV does not handle properly N=0

2012-11-28 Thread Christophe TROESTLER
On Wed, 28 Nov 2012 15:47:08 +0100, Sébastien Villemot wrote: > > I have tested the three BLAS implementations available in Debian (netlib > BLAS, ATLAS and OpenBLAS), and they all give the same result (bad from > your point of view). > > So I am not sure this is a bug. Maybe this is on purpose.

Bug#694625: libblas3gf: DGEMV does not handle properly N=0

2012-11-28 Thread Christophe TROESTLER
On Wed, 28 Nov 2012 15:20:33 +0100, Sylvestre Ledru wrote: > > severity 694625 normal > thanks > > Bonjour Christophe! Salut Sylvestre ! > On 28/11/2012 15:05, Christophe TROESTLER wrote: > > > Dear Maintainer, > > > > The routine DGEMV (with TRANS = 'N') is supposed to perform the > > operat

Bug#694625: libblas3gf: DGEMV does not handle properly N=0

2012-11-28 Thread Sébastien Villemot
Sylvestre Ledru writes: > On 28/11/2012 15:05, Christophe TROESTLER wrote: > >> The routine DGEMV (with TRANS = 'N') is supposed to perform the >> operation >> >> y ← beta * y + alpha * A * x >> >> where the matrix A has dimensions M×N. In particular, if N=0 (and M > >> 0), A * x is the nu

Bug#694625: libblas3gf: DGEMV does not handle properly N=0

2012-11-28 Thread Sébastien Villemot
Christophe TROESTLER writes: > Package: libblas3gf > Version: 1.2.20110419-5 > Severity: important > The routine DGEMV (with TRANS = 'N') is supposed to perform the > operation > > y ← beta * y + alpha * A * x > > where the matrix A has dimensions M×N. In particular, if N=0 (and M > > 0), A

Bug#694625: libblas3gf: DGEMV does not handle properly N=0

2012-11-28 Thread Sylvestre Ledru
severity 694625 normal thanks Bonjour Christophe! On 28/11/2012 15:05, Christophe TROESTLER wrote: > Dear Maintainer, > > The routine DGEMV (with TRANS = 'N') is supposed to perform the > operation > > y ← beta * y + alpha * A * x > > where the matrix A has dimensions M×N. In particular,

Bug#694625: libblas3gf: DGEMV does not handle properly N=0

2012-11-28 Thread Christophe TROESTLER
Package: libblas3gf Version: 1.2.20110419-5 Severity: important Dear Maintainer, The routine DGEMV (with TRANS = 'N') is supposed to perform the operation y ← beta * y + alpha * A * x where the matrix A has dimensions M×N. In particular, if N=0 (and M > 0), A * x is the null vector (all el