1 files changed, 122 insertions, 0 deletions
diff --git a/thirdparty/includes/GSL/gsl/gsl_bspline.h b/thirdparty/includes/GSL/gsl/gsl_bspline.h
new file mode 100644
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--- /dev/null
+++ b/thirdparty/includes/GSL/gsl/gsl_bspline.h
@@ -0,0 +1,122 @@
+/* bspline/gsl_bspline.h
+ *
+ * Copyright (C) 2006 Patrick Alken
+ * Copyright (C) 2008 Rhys Ulerich
+ *
+ * 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 3 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_BSPLINE_H__
+#define __GSL_BSPLINE_H__
+
+#include <stdlib.h>
+#include <gsl/gsl_math.h>
+#include <gsl/gsl_vector.h>
+#include <gsl/gsl_matrix.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
+{
+    size_t k;      /* spline order */
+    size_t km1;    /* k - 1 (polynomial order) */
+    size_t l;      /* number of polynomial pieces on interval */
+    size_t nbreak; /* number of breakpoints (l + 1) */
+    size_t n;      /* number of bspline basis functions (l + k - 1) */
+
+    gsl_vector *knots;  /* knots vector */
+    gsl_vector *deltal; /* left delta */
+    gsl_vector *deltar; /* right delta */
+    gsl_vector *B;      /* temporary spline results */
+
+    /* bspline derivative parameters */
+    gsl_matrix *A;      /* work matrix */
+    gsl_matrix *dB;     /* temporary derivative results */
+} gsl_bspline_workspace;
+
+#ifndef GSL_DISABLE_DEPRECATED
+
+typedef struct
+{
+    size_t k; /* spline order */
+    gsl_matrix *A; /* work matrix */
+    gsl_matrix *dB; /* temporary derivative results */
+} gsl_bspline_deriv_workspace;
+
+gsl_bspline_deriv_workspace *gsl_bspline_deriv_alloc(const size_t k);
+void gsl_bspline_deriv_free(gsl_bspline_deriv_workspace *w);
+
+#endif /* !GSL_DISABLE_DEPRECATED */
+
+gsl_bspline_workspace *
+gsl_bspline_alloc(const size_t k, const size_t nbreak);
+
+void gsl_bspline_free(gsl_bspline_workspace *w);
+
+size_t gsl_bspline_ncoeffs(gsl_bspline_workspace * w);
+size_t gsl_bspline_order(gsl_bspline_workspace * w);
+size_t gsl_bspline_nbreak(gsl_bspline_workspace * w);
+double gsl_bspline_breakpoint(size_t i, gsl_bspline_workspace * w);
+double gsl_bspline_greville_abscissa(size_t i, gsl_bspline_workspace *w);
+
+int
+gsl_bspline_knots(const gsl_vector *breakpts, gsl_bspline_workspace *w);
+
+int gsl_bspline_knots_uniform(const double a, const double b,
+                              gsl_bspline_workspace *w);
+
+int
+gsl_bspline_knots_greville(const gsl_vector *abscissae,
+                           gsl_bspline_workspace *w,
+                           double *abserr);
+
+int
+gsl_bspline_eval(const double x, gsl_vector *B, 
+                 gsl_bspline_workspace *w);
+
+int
+gsl_bspline_eval_nonzero(const double x,
+                         gsl_vector *Bk,
+                         size_t *istart,
+                         size_t *iend,
+                         gsl_bspline_workspace *w);
+
+int
+gsl_bspline_deriv_eval(const double x,
+                       const size_t nderiv,
+                       gsl_matrix *dB,
+                       gsl_bspline_workspace *w);
+
+int
+gsl_bspline_deriv_eval_nonzero(const double x,
+                               const size_t nderiv,
+                               gsl_matrix *dB,
+                               size_t *istart,
+                               size_t *iend,
+                               gsl_bspline_workspace *w);
+
+__END_DECLS
+
+#endif /* __GSL_BSPLINE_H__ */