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Add cast to prevent overflow of intermediate result

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This commit is contained in:
Martin Kroeker
2021-05-01 14:47:22 +02:00
committed by GitHub
parent 3a30c12019
commit 904b221f03
2 changed files with 4 additions and 4 deletions
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4
interface/imatcopy.c
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@@ -150,9 +150,9 @@ void CNAME( enum CBLAS_ORDER CORDER, enum CBLAS_TRANSPOSE CTRANS, blasint crows,
#endif
if ( *lda > *ldb )
msize = (*lda) * (*ldb) * sizeof(FLOAT);
msize = (size_t)(*lda) * (*ldb) * sizeof(FLOAT);
else
msize = (*ldb) * (*ldb) * sizeof(FLOAT);
msize = (size_t)(*ldb) * (*ldb) * sizeof(FLOAT);
b = malloc(msize);
if ( b == NULL )

4
interface/zimatcopy.c
View File

@@ -172,9 +172,9 @@ void CNAME( enum CBLAS_ORDER CORDER, enum CBLAS_TRANSPOSE CTRANS, blasint crows,
#endif
if ( *lda > *ldb )
msize = (*lda) * (*ldb) * sizeof(FLOAT) * 2;
msize = (size_t)(*lda) * (*ldb) * sizeof(FLOAT) * 2;
else
msize = (*ldb) * (*ldb) * sizeof(FLOAT) * 2;
msize = (size_t)(*ldb) * (*ldb) * sizeof(FLOAT) * 2;
b = malloc(msize);
if ( b == NULL )