Improve matcopy interface

* rows = 0 or cols = 0 is now a legal input and
  takes quick return path
* Follow BLAS/LAPACK convention that the leading
  dimensions must be at least 1.
This commit is contained in:
Angelika Schwarz 2023-11-11 09:19:48 +01:00
parent 273f4e8794
commit 5ffbe646e1
4 changed files with 56 additions and 48 deletions

View File

@ -100,27 +100,29 @@ void CNAME( enum CBLAS_ORDER CORDER, enum CBLAS_TRANSPOSE CTRANS, blasint crows,
if ( order == BlasColMajor)
{
if ( trans == BlasNoTrans && *ldb < *rows ) info = 8;
if ( trans == BlasTrans && *ldb < *cols ) info = 8;
if ( trans == BlasNoTrans && *ldb < MAX(1,*rows) ) info = 8;
if ( trans == BlasTrans && *ldb < MAX(1,*cols) ) info = 8;
}
if ( order == BlasRowMajor)
{
if ( trans == BlasNoTrans && *ldb < *cols ) info = 8;
if ( trans == BlasTrans && *ldb < *rows ) info = 8;
if ( trans == BlasNoTrans && *ldb < MAX(1,*cols) ) info = 8;
if ( trans == BlasTrans && *ldb < MAX(1,*rows) ) info = 8;
}
if ( order == BlasColMajor && *lda < *rows ) info = 7;
if ( order == BlasRowMajor && *lda < *cols ) info = 7;
if ( *cols <= 0 ) info = 4;
if ( *rows <= 0 ) info = 3;
if ( trans < 0 ) info = 2;
if ( order < 0 ) info = 1;
if ( order == BlasColMajor && *lda < MAX(1,*rows) ) info = 7;
if ( order == BlasRowMajor && *lda < MAX(1,*cols) ) info = 7;
if ( *cols < 0 ) info = 4;
if ( *rows < 0 ) info = 3;
if ( trans < 0 ) info = 2;
if ( order < 0 ) info = 1;
if (info >= 0) {
BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
return;
}
if ((*rows == 0) || (*cols == 0)) return;
#ifdef NEW_IMATCOPY
if ( *lda == *ldb ) {
if ( order == BlasColMajor )

View File

@ -90,27 +90,29 @@ void CNAME(enum CBLAS_ORDER CORDER, enum CBLAS_TRANSPOSE CTRANS, blasint crows,
#endif
if ( order == BlasColMajor)
{
if ( trans == BlasNoTrans && *ldb < *rows ) info = 9;
if ( trans == BlasTrans && *ldb < *cols ) info = 9;
if ( trans == BlasNoTrans && *ldb < MAX(1,*rows) ) info = 9;
if ( trans == BlasTrans && *ldb < MAX(1,*cols) ) info = 9;
}
if ( order == BlasRowMajor)
{
if ( trans == BlasNoTrans && *ldb < *cols ) info = 9;
if ( trans == BlasTrans && *ldb < *rows ) info = 9;
if ( trans == BlasNoTrans && *ldb < MAX(1,*cols) ) info = 9;
if ( trans == BlasTrans && *ldb < MAX(1,*rows) ) info = 9;
}
if ( order == BlasColMajor && *lda < *rows ) info = 7;
if ( order == BlasRowMajor && *lda < *cols ) info = 7;
if ( *cols <= 0 ) info = 4;
if ( *rows <= 0 ) info = 3;
if ( trans < 0 ) info = 2;
if ( order < 0 ) info = 1;
if ( order == BlasColMajor && *lda < MAX(1,*rows) ) info = 7;
if ( order == BlasRowMajor && *lda < MAX(1,*cols) ) info = 7;
if ( *cols < 0 ) info = 4;
if ( *rows < 0 ) info = 3;
if ( trans < 0 ) info = 2;
if ( order < 0 ) info = 1;
if (info >= 0) {
BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
return;
}
if ((*rows == 0) || (*cols == 0)) return;
if ( order == BlasColMajor )
{
if ( trans == BlasNoTrans )

View File

@ -101,31 +101,33 @@ void CNAME( enum CBLAS_ORDER CORDER, enum CBLAS_TRANSPOSE CTRANS, blasint crows,
if ( order == BlasColMajor)
{
if ( trans == BlasNoTrans && *ldb < *rows ) info = 9;
if ( trans == BlasConj && *ldb < *rows ) info = 9;
if ( trans == BlasTrans && *ldb < *cols ) info = 9;
if ( trans == BlasTransConj && *ldb < *cols ) info = 9;
if ( trans == BlasNoTrans && *ldb < MAX(1,*rows) ) info = 9;
if ( trans == BlasConj && *ldb < MAX(1,*rows) ) info = 9;
if ( trans == BlasTrans && *ldb < MAX(1,*cols) ) info = 9;
if ( trans == BlasTransConj && *ldb < MAX(1,*cols) ) info = 9;
}
if ( order == BlasRowMajor)
{
if ( trans == BlasNoTrans && *ldb < *cols ) info = 9;
if ( trans == BlasConj && *ldb < *cols ) info = 9;
if ( trans == BlasTrans && *ldb < *rows ) info = 9;
if ( trans == BlasTransConj && *ldb < *rows ) info = 9;
if ( trans == BlasNoTrans && *ldb < MAX(1,*cols) ) info = 9;
if ( trans == BlasConj && *ldb < MAX(1,*cols) ) info = 9;
if ( trans == BlasTrans && *ldb < MAX(1,*rows) ) info = 9;
if ( trans == BlasTransConj && *ldb < MAX(1,*rows) ) info = 9;
}
if ( order == BlasColMajor && *lda < *rows ) info = 7;
if ( order == BlasRowMajor && *lda < *cols ) info = 7;
if ( *cols <= 0 ) info = 4;
if ( *rows <= 0 ) info = 3;
if ( trans < 0 ) info = 2;
if ( order < 0 ) info = 1;
if ( order == BlasColMajor && *lda < MAX(1,*rows) ) info = 7;
if ( order == BlasRowMajor && *lda < MAX(1,*cols) ) info = 7;
if ( *cols < 0 ) info = 4;
if ( *rows < 0 ) info = 3;
if ( trans < 0 ) info = 2;
if ( order < 0 ) info = 1;
if (info >= 0) {
BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
return;
}
if ((*rows == 0) || (*cols == 0)) return;
#ifdef NEW_IMATCOPY
if (*lda == *ldb ) {
if ( order == BlasColMajor )

View File

@ -92,31 +92,33 @@ void CNAME(enum CBLAS_ORDER CORDER, enum CBLAS_TRANSPOSE CTRANS, blasint crows,
#endif
if ( order == BlasColMajor)
{
if ( trans == BlasNoTrans && *ldb < *rows ) info = 9;
if ( trans == BlasConj && *ldb < *rows ) info = 9;
if ( trans == BlasTrans && *ldb < *cols ) info = 9;
if ( trans == BlasTransConj && *ldb < *cols ) info = 9;
if ( trans == BlasNoTrans && *ldb < MAX(1,*rows) ) info = 9;
if ( trans == BlasConj && *ldb < MAX(1,*rows) ) info = 9;
if ( trans == BlasTrans && *ldb < MAX(1,*cols) ) info = 9;
if ( trans == BlasTransConj && *ldb < MAX(1,*cols) ) info = 9;
}
if ( order == BlasRowMajor)
{
if ( trans == BlasNoTrans && *ldb < *cols ) info = 9;
if ( trans == BlasConj && *ldb < *cols ) info = 9;
if ( trans == BlasTrans && *ldb < *rows ) info = 9;
if ( trans == BlasTransConj && *ldb < *rows ) info = 9;
if ( trans == BlasNoTrans && *ldb < MAX(1,*cols) ) info = 9;
if ( trans == BlasConj && *ldb < MAX(1,*cols) ) info = 9;
if ( trans == BlasTrans && *ldb < MAX(1,*rows) ) info = 9;
if ( trans == BlasTransConj && *ldb < MAX(1,*rows) ) info = 9;
}
if ( order == BlasColMajor && *lda < *rows ) info = 7;
if ( order == BlasRowMajor && *lda < *cols ) info = 7;
if ( *cols <= 0 ) info = 4;
if ( *rows <= 0 ) info = 3;
if ( trans < 0 ) info = 2;
if ( order < 0 ) info = 1;
if ( order == BlasColMajor && *lda < MAX(1,*rows) ) info = 7;
if ( order == BlasRowMajor && *lda < MAX(1,*cols) ) info = 7;
if ( *cols < 0 ) info = 4;
if ( *rows < 0 ) info = 3;
if ( trans < 0 ) info = 2;
if ( order < 0 ) info = 1;
if (info >= 0) {
BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
return;
}
if ((*rows == 0) || (*cols == 0)) return;
if ( order == BlasColMajor )
{