Rescale
20.9.0
Rescales an input range.
template <typename TInput, typename TOutput>
class rescale : public etl::unary_function<TOutput, TInput>
TInput The input data type.
TCompare The functor type used to compare values to the threshold. The default is etl::less
____________________________________________________________________________________________________
rescale (TInput input_min_value,
TInput input_max_value,
TOutput output_min_value,
TOutput output_max_value)
____________________________________________________________________________________________________
TOutput operator()(TInput value) const
Rescale a value.
____________________________________________________________________________________________________
Example
std::array<char, 10> input =
{
10, 11, 12, 13, 14, 15, 16, 17, 18, 19
};
std::array<int, 10> output;
etl::rescale<char, int> rescale(10, 19, 40000, 41900);
std::transform(input.begin(), input.end(), output.begin(), rescale);