1 files changed, 85 insertions, 0 deletions
diff --git a/gsl-1.9/fit/gsl_fit.h b/gsl-1.9/fit/gsl_fit.h
new file mode 100644
index 0000000..bacfe7d
--- /dev/null
+++ b/gsl-1.9/fit/gsl_fit.h
@@ -0,0 +1,85 @@
+/* fit/gsl_fit.h
+ * 
+ * Copyright (C) 2000 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_FIT_H__
+#define __GSL_FIT_H__
+
+#include <stdlib.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
+
+int gsl_fit_linear (const double * x, const size_t xstride,
+                    const double * y, const size_t ystride,
+                    const size_t n,
+                    double * c0, double * c1, 
+                    double * cov00, double * cov01, double * cov11, 
+                    double * sumsq);
+
+
+int gsl_fit_wlinear (const double * x, const size_t xstride,
+                     const double * w, const size_t wstride,
+                     const double * y, const size_t ystride,
+                     const size_t n,
+                     double * c0, double * c1, 
+                     double * cov00, double * cov01, double * cov11, 
+                     double * chisq);
+
+int
+gsl_fit_linear_est (const double x, 
+                    const double c0, const double c1, 
+                    const double c00, const double c01, const double c11,
+                    double *y, double *y_err);
+
+
+int gsl_fit_mul (const double * x, const size_t xstride,
+                 const double * y, const size_t ystride,
+                 const size_t n,
+                 double * c1, 
+                 double * cov11, 
+                 double * sumsq);
+
+int gsl_fit_wmul (const double * x, const size_t xstride,
+                  const double * w, const size_t wstride,
+                  const double * y, const size_t ystride,
+                  const size_t n,
+                  double * c1, 
+                  double * cov11, 
+                  double * sumsq);
+
+
+int
+gsl_fit_mul_est (const double x, 
+                 const double c1, 
+                 const double c11,
+                 double *y, double *y_err);
+
+__END_DECLS
+
+#endif /* __GSL_FIT_H__ */