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Workaround gcc's alloc-size-larger-than= warning

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(grafted from bcb7c66b53aad713d3edd98b24d094b5542b18bf
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This commit is contained in:
Gael Guennebaud 2018-10-07 21:55:59 +02:00
parent 6c4d57dc9e
commit f1c12d8ff0
1 changed files with 3 additions and 3 deletions
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6
Eigen/src/Core/DenseStorage.h
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@ -404,7 +404,7 @@ template<typename T, int _Options> class DenseStorage<T, Dynamic, Dynamic, Dynam
if(size != m_rows*m_cols)
{
internal::conditional_aligned_delete_auto<T,(_Options&DontAlign)==0>(m_data, m_rows*m_cols);
if (size)
if (size>0) // >0 and not simply !=0 to let the compiler knows that size cannot be negative
m_data = internal::conditional_aligned_new_auto<T,(_Options&DontAlign)==0>(size);
else
m_data = 0;
@ -479,7 +479,7 @@ template<typename T, int _Rows, int _Options> class DenseStorage<T, Dynamic, _Ro
if(size != _Rows*m_cols)
{
internal::conditional_aligned_delete_auto<T,(_Options&DontAlign)==0>(m_data, _Rows*m_cols);
if (size)
if (size>0) // >0 and not simply !=0 to let the compiler knows that size cannot be negative
m_data = internal::conditional_aligned_new_auto<T,(_Options&DontAlign)==0>(size);
else
m_data = 0;
@ -553,7 +553,7 @@ template<typename T, int _Cols, int _Options> class DenseStorage<T, Dynamic, Dyn
if(size != m_rows*_Cols)
{
internal::conditional_aligned_delete_auto<T,(_Options&DontAlign)==0>(m_data, _Cols*m_rows);
if (size)
if (size>0) // >0 and not simply !=0 to let the compiler knows that size cannot be negative
m_data = internal::conditional_aligned_new_auto<T,(_Options&DontAlign)==0>(size);
else
m_data = 0;