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Better error report when facing dimension mismatch #208

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Merged
JohanMabille merged 1 commit into from
Nov 25, 2019
Merged

Better error report when facing dimension mismatch #208

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6 changes: 5 additions & 1 deletion include/xtensor-python/pycontainer.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@
#include <cmath>
#include <functional>
#include <numeric>
#include <sstream>

#include "pybind11/complex.h"
#include "pybind11/pybind11.h"
Expand Down Expand Up @@ -338,7 +339,10 @@ namespace xt
{
if(new_dim != N)
{
throw std::runtime_error("Dims not matching.");
std::ostringstream err_msg;
err_msg << "Invalid conversion to pycontainer, expecting a container of dimension "
<< N << ", got a container of dimension " << new_dim << ".";
throw std::runtime_error(err_msg.str());
}
return new_dim == N;
}
Expand Down