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Make initial shape accumulate value type explicit #83

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4 changes: 2 additions & 2 deletions cnpy.h
Original file line number Diff line number Diff line change
Expand Up @@ -121,7 +121,7 @@ namespace cnpy {
}

std::vector<char> header = create_npy_header<T>(true_data_shape);
size_t nels = std::accumulate(shape.begin(),shape.end(),1,std::multiplies<size_t>());
size_t nels = std::accumulate(shape.begin(),shape.end(),(size_t)1,std::multiplies<size_t>());

fseek(fp,0,SEEK_SET);
fwrite(&header[0],sizeof(char),header.size(),fp);
Expand Down Expand Up @@ -164,7 +164,7 @@ namespace cnpy {

std::vector<char> npy_header = create_npy_header<T>(shape);

size_t nels = std::accumulate(shape.begin(),shape.end(),1,std::multiplies<size_t>());
size_t nels = std::accumulate(shape.begin(),shape.end(),(size_t)1,std::multiplies<size_t>());
size_t nbytes = nels*sizeof(T) + npy_header.size();

//get the CRC of the data to be added
Expand Down