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Ryzerth
2020-06-15 15:53:45 +02:00
parent 7120e848ef
commit fa2f6a0a9b
14 changed files with 1067 additions and 151 deletions
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38
src/cdsp/math.h
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@@ -2,6 +2,7 @@
#include <thread>
#include <cdsp/stream.h>
#include <cdsp/types.h>
#include <cdsp/fast_math.h>
namespace cdsp {
class Multiplier {
@@ -16,10 +17,35 @@ namespace cdsp {
_bufferSize = bufferSize;
}
void init(stream<complex_t>* a, stream<complex_t>* b, int bufferSize) {
output.init(bufferSize * 2);
_a = a;
_b = b;
_bufferSize = bufferSize;
}
void start() {
if (running) {
return;
}
running = true;
_workerThread = std::thread(_worker, this);
}
void stop() {
if (!running) {
return;
}
_a->stopReader();
_b->stopReader();
output.stopWriter();
_workerThread.join();
running = false;
_a->clearReadStop();
_b->clearReadStop();
output.clearWriteStop();
}
stream<complex_t> output;
private:
@@ -28,19 +54,17 @@ namespace cdsp {
complex_t* bBuf = new complex_t[_this->_bufferSize];
complex_t* outBuf = new complex_t[_this->_bufferSize];
while (true) {
_this->_a->read(aBuf, _this->_bufferSize);
_this->_b->read(bBuf, _this->_bufferSize);
for (int i = 0; i < _this->_bufferSize; i++) {
outBuf[i].i = (aBuf[i].q * bBuf[i].i) + (bBuf[i].q * aBuf[i].i); // BC + AD
outBuf[i].q = (aBuf[i].q * bBuf[i].q) - (aBuf[i].i * bBuf[i].i);
}
_this->output.write(outBuf, _this->_bufferSize);
if (_this->_a->read(aBuf, _this->_bufferSize) < 0) { printf("A Received stop signal\n"); return; };
if (_this->_b->read(bBuf, _this->_bufferSize) < 0) { printf("B Received stop signal\n"); return; };
do_mul(aBuf, bBuf, _this->_bufferSize);
if (_this->output.write(aBuf, _this->_bufferSize) < 0) { printf("OUT Received stop signal\n"); return; };
}
}
stream<complex_t>* _a;
stream<complex_t>* _b;
int _bufferSize;
bool running = false;
std::thread _workerThread;
};
};