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Commit c4a63d77 authored by Davis King's avatar Davis King
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Fixed bug in the axpy/scpy BLAS bindings which triggered when empty matrices 

were assigned to each other.
parent 8d217377
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Showing with 6 additions and 6 deletions
dlib/matrix/matrix_blas_bindings.h
View file @ c4a63d77
...@@ -545,9 +545,9 @@ namespace dlib ...@@ -545,9 +545,9 @@ namespace dlib
DLIB_ADD_BLAS_BINDING(m) DLIB_ADD_BLAS_BINDING(m)
{ {
if (transpose == false) const int N = static_cast<int>(src.size());
if (transpose == false && N != 0)
{ {
const int N = static_cast<int>(src.size());
if (add_to) if (add_to)
{ {
cblas_axpy(N, alpha, get_ptr(src), 1, get_ptr(dest), 1); cblas_axpy(N, alpha, get_ptr(src), 1, get_ptr(dest), 1);
...@@ -574,9 +574,9 @@ namespace dlib ...@@ -574,9 +574,9 @@ namespace dlib
DLIB_ADD_BLAS_BINDING(rv) DLIB_ADD_BLAS_BINDING(rv)
{ {
if (transpose == false) const int N = static_cast<int>(src.size());
if (transpose == false && N != 0)
{ {
const int N = static_cast<int>(src.size());
if (add_to) if (add_to)
{ {
cblas_axpy(N, alpha, get_ptr(src), 1, get_ptr(dest), 1); cblas_axpy(N, alpha, get_ptr(src), 1, get_ptr(dest), 1);
...@@ -603,9 +603,9 @@ namespace dlib ...@@ -603,9 +603,9 @@ namespace dlib
DLIB_ADD_BLAS_BINDING(cv) DLIB_ADD_BLAS_BINDING(cv)
{ {
if (transpose == false) const int N = static_cast<int>(src.size());
if (transpose == false && N != 0)
{ {
const int N = static_cast<int>(src.size());
if (add_to) if (add_to)
{ {
cblas_axpy(N, alpha, get_ptr(src), 1, get_ptr(dest), 1); cblas_axpy(N, alpha, get_ptr(src), 1, get_ptr(dest), 1);
......
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