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fixed missing copyonrite() in tensor.cc

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This commit is contained in:
Jiri Pittner 2024-05-03 17:03:18 +02:00
parent 3ba6d03eee
commit 161aa5b1cd
1 changed files with 3 additions and 1 deletions
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4
tensor.cc
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@ -711,6 +711,7 @@ kk=u.groupsizes[0];
if(kk!=rhsu.groupsizes[0]) laerror("internal error in contraction");
nn=1; for(int i=1; i<u.shape.size(); ++i) nn*= u.groupsizes[i];
mm=1; for(int i=1; i<rhsu.shape.size(); ++i) mm*= rhsu.groupsizes[i];
data.copyonwrite();
auxmatmult<T>(nn,mm,kk,&data[0],&u.data[0], &rhsu.data[0],alpha,beta,conjugate);
}
@ -739,8 +740,9 @@ for(int p=0; p<help_pa<T>->size(); ++p)
template<typename T>
void Tensor<T>::apply_permutation_algebra(const Tensor<T> &rhs, const PermutationAlgebra<int,T> &pa, bool inverse, T alpha, T beta)
{
if(beta!=(T)0) *this *= beta; else clear();
if(beta!=(T)0) {if(beta!=(T)1) *this *= beta;} else clear();
if(alpha==(T)0) return;
copyonwrite();
help_t<T> = const_cast<Tensor<T> *>(&rhs);
help_pa<T> = &pa;