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worked on fir/iir filters

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This commit is contained in:
FrankE
2018-08-06 18:33:17 +02:00
parent 327b580b69
commit d6ac8a72ca
5 changed files with 216 additions and 442 deletions
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15
math/dsp/fir/Real.h
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@@ -35,6 +35,16 @@ namespace FIR {
this->kernel = kernel;
}
const Kernel& getKernel() const {
return this->kernel;
}
void prefill(float val) {
for (size_t i = 0; i < (kernel.size()-1)/2; ++i) {
append(val);
}
}
/** filter the given incoming real data */
DataVec append(const DataVec& newData) {
// append to local buffer (as we need some history)
@@ -56,10 +66,11 @@ namespace FIR {
DataVec processLocalBuffer() {
// sanity check
Assert::isNot0(kernel.size(), "FIRComplex:: kernel not yet configured!");
Assert::isNot0(kernel.size(), "FIR::Real::Filter kernel not yet configured!");
// number of processable elements (due to filter size)
const int processable = data.size() - kernel.size() + 1 - kernel.size()/2;
//const int processable = data.size() - kernel.size() + 1 - kernel.size()/2;
const int processable = data.size() - kernel.size();
// nothing to-do?
if (processable <= 0) {return DataVec();}