diff options
Diffstat (limited to '2.3-1/src/c/signalProcessing/lpc2cep/slpc2cepa.c')
-rw-r--r-- | 2.3-1/src/c/signalProcessing/lpc2cep/slpc2cepa.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/2.3-1/src/c/signalProcessing/lpc2cep/slpc2cepa.c b/2.3-1/src/c/signalProcessing/lpc2cep/slpc2cepa.c new file mode 100644 index 00000000..23857198 --- /dev/null +++ b/2.3-1/src/c/signalProcessing/lpc2cep/slpc2cepa.c @@ -0,0 +1,39 @@ +/* + * 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 <stdlib.h> +#include "lpc2cep.h" +#include "fft.h" +#include "ifft.h" +#include "logm.h" + +void slpc2cepa(float *in, int size, float*out){ + int i; + floatComplex* inCpx; + + /* Copy in in a FloatComplex*/ + inCpx=(floatComplex*)malloc((unsigned int)(size*size)*sizeof(floatComplex)); + for (i=0;i<size*size;i++) + { + inCpx[i]=FloatComplex(in[i],0); + } + + cfftma(inCpx,size,size,inCpx); + clogma(inCpx,size,inCpx); + cifftma(inCpx,size,size,inCpx); + + creala(inCpx,size*size,out); + + free(inCpx); +} + + |