Diff: dftComplex.hpp

Revision:

4:8248d5b5cdc9

Parent:

3:4ef52c7f5281

--- a/dftComplex.hpp	Mon Jan 13 08:57:54 2020 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,24 +0,0 @@
-//--------------------------------------------------------------
-// DIscrete Fourier transform (DFT)
-// Copyright (c) 2014 MIKAMI, Naoki,  2014/06/28
-//--------------------------------------------------------------
-
-#include "mbed.h"
-#include <complex>  // requisite for complex
-
-typedef complex<float> Complex;     // define "Complex"
-
-void DftComplex(const float x[], Complex y[], int nFft);
-
-// Calculate DFT
-void DftComplex(const float x[], Complex y[], int nFft)
-{
-    Complex j2PiN = Complex(0, -6.28318531f/nFft);
-
-    for (int k=0; k<nFft; k++)
-    {
-        y[k] = 0.0;
-        for (int n=0; n<nFft; n++)
-            y[k] = y[k] + x[n]*exp(j2PiN*(float)(n*k));
-    }
-}
\ No newline at end of file