summaryrefslogtreecommitdiff
path: root/2.3-1/src/c/linearAlgebra/spec/sspeca.c
diff options
context:
space:
mode:
Diffstat (limited to '2.3-1/src/c/linearAlgebra/spec/sspeca.c')
-rw-r--r--2.3-1/src/c/linearAlgebra/spec/sspeca.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/2.3-1/src/c/linearAlgebra/spec/sspeca.c b/2.3-1/src/c/linearAlgebra/spec/sspeca.c
new file mode 100644
index 00000000..50751a29
--- /dev/null
+++ b/2.3-1/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];
+}