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NO-OP: whitespace

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Robin Gareus 2019-02-28 03:08:21 +01:00
parent 06854e1315
commit 62470f3cb4
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GPG key ID: A090BCE02CF57F04
2 changed files with 39 additions and 42 deletions
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11
gtk2_ardour/fft.cc
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@ -76,7 +76,7 @@ FFT::analyze(ARDOUR::Sample *input, WindowingType windowing_type)
#define Re (_fftOutput[i])
#define Im (_fftOutput[_window_size-i])
for (uint32_t i=1; i < _data_size - 1; i++) {
for (uint32_t i = 1; i < _data_size - 1; ++i) {
power = (Re * Re) + (Im * Im);
phase = atanf(Im / Re);
@ -109,29 +109,28 @@ FFT::calculate()
float*
FFT::get_hann_window ()
{
if (_hann_window)
if (_hann_window) {
return _hann_window;
}
_hann_window = (float*) malloc (sizeof (float) * _window_size);
double sum = 0.0;
for (uint32_t i=0; i < _window_size; i++) {
for (uint32_t i = 0; i < _window_size; ++i) {
_hann_window[i] = 0.81f * (0.5f - (0.5f * (float) cos (2.0f * M_PI * (float)i / (float)(_window_size))));
sum += _hann_window[i];
}
double isum = 1.0 / sum;
for (uint32_t i=0; i < _window_size; i++) {
for (uint32_t i = 0; i < _window_size; ++i) {
_hann_window[i] *= isum;
}
return _hann_window;
}
FFT::~FFT()
{
if (_hann_window) {

2
gtk2_ardour/fft.h
View file

@ -54,9 +54,7 @@ class FFT
float power_at_bin (uint32_t i) const { return _power_at_bin[i]; }
float phase_at_bin (uint32_t i) const { return _phase_at_bin[i]; }
private:
float* get_hann_window ();
uint32_t const _window_size;