diff options
Diffstat (limited to '2.3-1/src/c/signalProcessing/hilbert/shilberta.c')
-rw-r--r-- | 2.3-1/src/c/signalProcessing/hilbert/shilberta.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/2.3-1/src/c/signalProcessing/hilbert/shilberta.c b/2.3-1/src/c/signalProcessing/hilbert/shilberta.c new file mode 100644 index 00000000..c65bb564 --- /dev/null +++ b/2.3-1/src/c/signalProcessing/hilbert/shilberta.c @@ -0,0 +1,32 @@ +/* + * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab + * Copyright (C) 2008 - INRIA - Arnaud TORSET + * + * This file must be used under the terms of the CeCILL. + * This source file is licensed as described in the file COPYING, which + * you should have received as part of this distribution. The terms + * are also available at + * http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt + * + */ + +#include "hilbert.h" +#include "fft.h" +#include "ifft.h" +#include "multiplication.h" + +void shilberta (float* in, int rows, int cols, floatComplex *out){ + int i; + int size=rows*cols; + + for (i=0;i<rows*cols;i++) out[i]=FloatComplex(in[i],0); + + cfftma(out, rows, cols, out); + + for (i=0;i<size;i++){ + if ((i>0)&&(i<(size+1)/2)) out[i] = cmuls(out[i],FloatComplex(2,0)); + if (i>size/2) out[i] = cmuls(out[i],FloatComplex(0,0)); + } + + cifftma(out, rows, cols,out); +} |