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add ei_cast_to_int, we are indeed somethings (e.g. in IO.h) casting scalars to int and the only way to allow users to extend that to their own scalar types that don't have int cast operators, was to allow them specialize ei_cast_to_int_impl.

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Benoit Jacob
2010-03-30 14:16:54 -04:00
parent 8f99ae5ea4
commit 9e0d8697c7
2 changed files with 15 additions and 1 deletions
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Eigen/src/Core/IO.h
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@@ -132,7 +132,7 @@ struct ei_significant_decimals_impl
typedef typename NumTraits<Scalar>::Real RealScalar;
static inline int run()
{
return (int) std::ceil(-ei_log(NumTraits<RealScalar>::epsilon())/ei_log(RealScalar(10)));
return ei_cast_to_int(std::ceil(-ei_log(NumTraits<RealScalar>::epsilon())/ei_log(RealScalar(10))));
}
};