1 files changed, 99 insertions, 0 deletions
diff --git a/gsl-1.9/ieee-utils/gsl_ieee_utils.h b/gsl-1.9/ieee-utils/gsl_ieee_utils.h
new file mode 100644
index 0000000..2838735
--- /dev/null
+++ b/gsl-1.9/ieee-utils/gsl_ieee_utils.h
@@ -0,0 +1,99 @@
+/* ieee-utils/gsl_ieee_utils.h
+ * 
+ * Copyright (C) 1996, 1997, 1998, 1999, 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_IEEE_UTILS_H__
+#define __GSL_IEEE_UTILS_H__
+#include <stdio.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
+
+enum {
+  GSL_IEEE_TYPE_NAN = 1,
+  GSL_IEEE_TYPE_INF = 2,
+  GSL_IEEE_TYPE_NORMAL = 3,
+  GSL_IEEE_TYPE_DENORMAL = 4,
+  GSL_IEEE_TYPE_ZERO = 5
+} ;
+
+typedef struct  {
+  int sign ;
+  char mantissa[24] ; /* Actual bits are 0..22, element 23 is \0 */
+  int exponent ;
+  int type ;
+} gsl_ieee_float_rep ;
+
+typedef struct  {
+  int sign ;
+  char mantissa[53] ; /* Actual bits are 0..51, element 52 is \0 */
+  int exponent ;
+  int type ;
+} gsl_ieee_double_rep ;
+
+
+void gsl_ieee_printf_float (const float * x) ;
+void gsl_ieee_printf_double (const double * x) ;
+
+void gsl_ieee_fprintf_float (FILE * stream, const float * x) ;
+void gsl_ieee_fprintf_double (FILE * stream, const double * x) ;
+
+void gsl_ieee_float_to_rep (const float * x, gsl_ieee_float_rep * r) ;
+void gsl_ieee_double_to_rep (const double * x, gsl_ieee_double_rep * r) ;
+
+enum {
+  GSL_IEEE_SINGLE_PRECISION = 1,
+  GSL_IEEE_DOUBLE_PRECISION = 2,
+  GSL_IEEE_EXTENDED_PRECISION = 3
+} ;
+
+enum {
+  GSL_IEEE_ROUND_TO_NEAREST = 1,
+  GSL_IEEE_ROUND_DOWN = 2,
+  GSL_IEEE_ROUND_UP = 3,
+  GSL_IEEE_ROUND_TO_ZERO = 4
+} ;
+
+enum {
+  GSL_IEEE_MASK_INVALID = 1,
+  GSL_IEEE_MASK_DENORMALIZED = 2,
+  GSL_IEEE_MASK_DIVISION_BY_ZERO = 4,
+  GSL_IEEE_MASK_OVERFLOW = 8,
+  GSL_IEEE_MASK_UNDERFLOW = 16,
+  GSL_IEEE_MASK_ALL = 31,
+  GSL_IEEE_TRAP_INEXACT = 32
+} ;
+
+void gsl_ieee_env_setup (void) ;
+int gsl_ieee_read_mode_string (const char * description, int * precision,
+                               int * rounding, int * exception_mask) ;
+int gsl_ieee_set_mode (int precision, int rounding, int exception_mask) ;
+
+__END_DECLS
+
+#endif /* __GSL_IEEE_UTILS_H__ */
+