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+/* eigen/schur.h
+ *
+ * Copyright (C) 2006 Patrick Alken
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __GSL_SCHUR_H__
+#define __GSL_SCHUR_H__
+
+#include <gsl/gsl_matrix.h>
+#include <gsl/gsl_complex.h>
+
+/*
+ * Prototypes
+ */
+
+void gsl_schur_standardize(gsl_matrix *T, size_t row, gsl_complex *eval1,
+ gsl_complex *eval2, int update_t, gsl_matrix *Z);
+
+#endif /* __GSL_SCHUR_H__ */