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author | Siddhesh Wani | 2015-05-25 14:46:31 +0530 |
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committer | Siddhesh Wani | 2015-05-25 14:46:31 +0530 |
commit | db464f35f5a10b58d9ed1085e0b462689adee583 (patch) | |
tree | de5cdbc71a54765d9fec33414630ae2c8904c9b8 /src/c/signalProcessing/hilbert/shilberta.c | |
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Original Version
Diffstat (limited to 'src/c/signalProcessing/hilbert/shilberta.c')
-rw-r--r-- | src/c/signalProcessing/hilbert/shilberta.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/c/signalProcessing/hilbert/shilberta.c b/src/c/signalProcessing/hilbert/shilberta.c new file mode 100644 index 0000000..c65bb56 --- /dev/null +++ b/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); +} |