1 files changed, 87 insertions, 0 deletions
diff --git a/gsl-1.9/gsl_mode.h b/gsl-1.9/gsl_mode.h
new file mode 100644
index 0000000..aaad114
--- /dev/null
+++ b/gsl-1.9/gsl_mode.h
@@ -0,0 +1,87 @@
+/* gsl_mode.h
+ * 
+ * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2004 Gerard Jungman
+ * 
+ * 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.
+ */
+
+/* Author:  B. Gough and G. Jungman */
+
+#ifndef __GSL_MODE_H__
+#define __GSL_MODE_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
+
+
+/* Some functions can take a mode argument. This
+ * is a rough method to do things like control
+ * the precision of the algorithm. This mainly
+ * occurs in special functions, but we figured
+ * it was ok to have a general facility.
+ *
+ * The mode type is 32-bit field. Most of
+ * the fields are currently unused. Users
+ * '|' various predefined constants to get
+ * a desired mode.
+ */
+typedef unsigned int gsl_mode_t;
+
+
+/* Here are the predefined constants.
+ * Note that the precision constants
+ * are special because they are used
+ * to index arrays, so do not change
+ * them. The precision information is
+ * in the low order 3 bits of gsl_mode_t
+ * (the third bit is currently unused).
+ */
+
+/* Note that "0" is double precision,
+ * so that you get that by default if
+ * you forget a flag.
+ */
+#define GSL_PREC_DOUBLE  0
+#define GSL_PREC_SINGLE  1
+#define GSL_PREC_APPROX  2
+
+#ifdef HAVE_INLINE
+extern inline unsigned int GSL_MODE_PREC(gsl_mode_t mt);
+
+extern inline unsigned int
+GSL_MODE_PREC(gsl_mode_t mt)
+{ return  (mt & (unsigned int)7); }
+#else  /* HAVE_INLINE */
+#define GSL_MODE_PREC(mt) ((mt) & (unsigned int)7)
+#endif /* HAVE_INLINE */
+
+
+/* Here are some predefined generic modes.
+ */
+#define GSL_MODE_DEFAULT  0
+
+
+__END_DECLS
+
+#endif /* __GSL_MODE_H__ */