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Diffstat (limited to 'src/c/linearAlgebra/spec/sspeca.c')
-rw-r--r-- | src/c/linearAlgebra/spec/sspeca.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/c/linearAlgebra/spec/sspeca.c b/src/c/linearAlgebra/spec/sspeca.c new file mode 100644 index 0000000..50751a2 --- /dev/null +++ b/src/c/linearAlgebra/spec/sspeca.c @@ -0,0 +1,34 @@ +/* + * 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 "spec.h" + + + +void sspeca(float* in, int rows, float* out){ + /* As we use Lapack to find the eigenvalues, we must cast the float input into double + and the doubleComplex output of dspeca into floatComplex*/ + + int i; + double* dblin; + double* dblout; + + dblin=(double*)malloc((unsigned int)(rows*rows)*sizeof(double)); + dblout=(double*)malloc((unsigned int)rows*sizeof(double)); + + for (i=0;i<rows*rows;i++) dblin[i]=(double)in[i]; + + dspeca(dblin,rows,dblout); + + for (i=0;i<rows;i++) out[i]=(float)dblout[i]; +} |