35 lines
692 B
C
35 lines
692 B
C
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#ifndef SOFTFM_H
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#define SOFTFM_H
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#include <complex>
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#include <vector>
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typedef std::complex<float> IQSample;
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typedef std::vector<IQSample> IQSampleVector;
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typedef float Sample;
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typedef std::vector<Sample> SampleVector;
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typedef float Coeff;
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typedef std::vector<Coeff> CoeffVector;
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/** Compute mean and RMS over a sample vector. */
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inline void samples_mean_rms(const SampleVector& samples, Sample& mean, Sample& rms)
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{
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Sample vsum = 0;
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Sample vsumsq = 0;
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unsigned int n = samples.size();
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for (unsigned int i = 0; i < n; i++) {
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Sample v = samples[i];
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vsum += v;
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vsumsq += v * v;
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}
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mean = vsum / n;
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rms = sqrt(vsumsq / n);
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}
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#endif
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