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M17: FirFilter code cleanup

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This commit is contained in:
f4exb 2022-07-27 19:02:23 +02:00
parent 31c7a2c690
commit c2a91610c9
1 changed files with 6 additions and 7 deletions
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13
modemm17/FirFilter.h
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@ -13,13 +13,7 @@ namespace modemm17
template <size_t N> template <size_t N>
struct BaseFirFilter : FilterBase<float> struct BaseFirFilter : FilterBase<float>
{ {
using array_t = std::array<float, N>; BaseFirFilter(const std::array<float, N>& taps)
const array_t& taps_;
array_t history_;
size_t pos_ = 0;
BaseFirFilter(const array_t& taps)
: taps_(taps) : taps_(taps)
{ {
history_.fill(0.0); history_.fill(0.0);
@ -47,6 +41,11 @@ struct BaseFirFilter : FilterBase<float>
history_.fill(0.0); history_.fill(0.0);
pos_ = 0; pos_ = 0;
} }
private:
const std::array<float, N>& taps_;
std::array<float, N> history_;
size_t pos_ = 0;
}; };
template <size_t N> template <size_t N>