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authorAbhinav Dronamraju2017-09-29 22:00:40 +0530
committerAbhinav Dronamraju2017-09-29 22:00:40 +0530
commit9bc7ad78e8d7d7acc4b9387aa592542832e80b31 (patch)
tree7fce060665a91de5e5adb12d02003351c3d1fdfc /thirdparty/includes/GSL/gsl/gsl_mode.h
parent33755eb085a3ca8154cf83773b23fbb8aac4ba3e (diff)
parentac0045f12ad3d0938758e9742f4107a334e1afaa (diff)
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NEW FEATURES AND NEW FUNCTIONS
Diffstat (limited to 'thirdparty/includes/GSL/gsl/gsl_mode.h')
-rw-r--r--thirdparty/includes/GSL/gsl/gsl_mode.h88
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diff --git a/thirdparty/includes/GSL/gsl/gsl_mode.h b/thirdparty/includes/GSL/gsl/gsl_mode.h
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+/* 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 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.
+ */
+
+/* Author: B. Gough and G. Jungman */
+
+#ifndef __GSL_MODE_H__
+#define __GSL_MODE_H__
+#include <gsl/gsl_inline.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
+INLINE_FUN unsigned int GSL_MODE_PREC(gsl_mode_t mt);
+
+INLINE_FUN 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__ */