1 files changed, 127 insertions, 0 deletions
diff --git a/gsl-1.9/roots/gsl_roots.h b/gsl-1.9/roots/gsl_roots.h
new file mode 100644
index 0000000..7103418
--- /dev/null
+++ b/gsl-1.9/roots/gsl_roots.h
@@ -0,0 +1,127 @@
+/* roots/gsl_roots.h
+ * 
+ * Copyright (C) 1996, 1997, 1998, 1999, 2000 Reid Priedhorsky, Brian Gough
+ * 
+ * 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_ROOTS_H__
+#define __GSL_ROOTS_H__
+
+#include <stdlib.h>
+#include <gsl/gsl_types.h>
+#include <gsl/gsl_math.h>
+
+#undef __BEGIN_DECLS
+#undef __END_DECLS
+#ifdef __cplusplus
+# define __BEGIN_DECLS extern "C" {
+# define __END_DECLS }
+#else
+# define __BEGIN_DECLS /* empty */
+# define __END_DECLS /* empty */
+#endif
+
+__BEGIN_DECLS
+
+typedef struct
+  {
+    const char *name;
+    size_t size;
+    int (*set) (void *state, gsl_function * f, double * root, double x_lower, double x_upper);
+    int (*iterate) (void *state, gsl_function * f, double * root, double * x_lower, double * x_upper);
+  }
+gsl_root_fsolver_type;
+
+typedef struct
+  {
+    const gsl_root_fsolver_type * type;
+    gsl_function * function ;
+    double root ;
+    double x_lower;
+    double x_upper;
+    void *state;
+  }
+gsl_root_fsolver;
+
+typedef struct
+  {
+    const char *name;
+    size_t size;
+    int (*set) (void *state, gsl_function_fdf * f, double * root);
+    int (*iterate) (void *state, gsl_function_fdf * f, double * root);
+  }
+gsl_root_fdfsolver_type;
+
+typedef struct
+  {
+    const gsl_root_fdfsolver_type * type;
+    gsl_function_fdf * fdf ;
+    double root ;
+    void *state;
+  }
+gsl_root_fdfsolver;
+
+gsl_root_fsolver *
+gsl_root_fsolver_alloc (const gsl_root_fsolver_type * T);
+void gsl_root_fsolver_free (gsl_root_fsolver * s);
+
+int gsl_root_fsolver_set (gsl_root_fsolver * s,
+                          gsl_function * f, 
+                          double x_lower, double x_upper);
+
+int gsl_root_fsolver_iterate (gsl_root_fsolver * s);
+
+const char * gsl_root_fsolver_name (const gsl_root_fsolver * s);
+double gsl_root_fsolver_root (const gsl_root_fsolver * s);
+double gsl_root_fsolver_x_lower (const gsl_root_fsolver * s);
+double gsl_root_fsolver_x_upper (const gsl_root_fsolver * s);
+
+
+gsl_root_fdfsolver *
+gsl_root_fdfsolver_alloc (const gsl_root_fdfsolver_type * T);
+
+int
+gsl_root_fdfsolver_set (gsl_root_fdfsolver * s, 
+                         gsl_function_fdf * fdf, double root);
+
+int
+gsl_root_fdfsolver_iterate (gsl_root_fdfsolver * s);
+
+void
+gsl_root_fdfsolver_free (gsl_root_fdfsolver * s);
+
+const char * gsl_root_fdfsolver_name (const gsl_root_fdfsolver * s);
+double gsl_root_fdfsolver_root (const gsl_root_fdfsolver * s);
+
+int
+gsl_root_test_interval (double x_lower, double x_upper, double epsabs, double epsrel);
+
+int
+gsl_root_test_residual (double f, double epsabs);
+
+int
+gsl_root_test_delta (double x1, double x0, double epsabs, double epsrel);
+
+GSL_VAR const gsl_root_fsolver_type  * gsl_root_fsolver_bisection;
+GSL_VAR const gsl_root_fsolver_type  * gsl_root_fsolver_brent;
+GSL_VAR const gsl_root_fsolver_type  * gsl_root_fsolver_falsepos;
+GSL_VAR const gsl_root_fdfsolver_type  * gsl_root_fdfsolver_newton;
+GSL_VAR const gsl_root_fdfsolver_type  * gsl_root_fdfsolver_secant;
+GSL_VAR const gsl_root_fdfsolver_type  * gsl_root_fdfsolver_steffenson;
+
+__END_DECLS
+
+#endif /* __GSL_ROOTS_H__ */