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lang update

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This commit is contained in:
minjaesong
2023-11-28 00:31:08 +09:00
parent 3d0a1acbe1
commit 2eaa960571
6 changed files with 20 additions and 39 deletions
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16
src/net/torvald/terrarum/audio/FFT.kt
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@@ -71,10 +71,10 @@ object FFT: Disposable {
}
// org.apache.commons.math3.transform.FastFouriesTransformer.java:370
@Synchronized fun fft(signal0: FloatArray): ComplexArray {
// val dataRI = ComplexArray(signal0.copyOf(), FloatArray(signal0.size))
// transformInPlace(dataRI, DftNormalization.STANDARD, TransformType.FORWARD)
// return dataRI
fun fft(signal0: FloatArray): ComplexArray {
// val im = FloatArray(signal0.size)
// transformInPlace(signal0, im, signal0.size, DftNormalization.STANDARD, TransformType.FORWARD)
// return ComplexArray(FloatArray(signal0.size) { if (it % 2 == 0) signal0[it / 2] else im[it / 2] })
// USING FFTW //
@@ -108,9 +108,11 @@ object FFT: Disposable {
}
// org.apache.commons.math3.transform.FastFouriesTransformer.java:404
@Synchronized fun ifftAndGetReal(signal0: ComplexArray): FloatArray {
// transformInPlace(signal0, DftNormalization.STANDARD, TransformType.INVERSE)
// return signal0.res
fun ifftAndGetReal(signal0: ComplexArray): FloatArray {
// val re = FloatArray(signal0.size) { signal0.reim[it * 2] }
// val im = FloatArray(signal0.size) { signal0.reim[it * 2 + 1] }
// transformInPlace(re, im, re.size, DftNormalization.STANDARD, TransformType.INVERSE)
// return re
// USING FFTW //