Import Trio 1.10 into fetchmail's trunk.

svn path=/trunk/; revision=3995

1 files changed, 81 insertions, 0 deletions

diff --git a/trio/trionan.h b/trio/trionan.h
new file mode 100644
index 00000000..3fbed375
--- /dev/null
+++ b/trio/trionan.h
@@ -0,0 +1,81 @@
+/*************************************************************************
+ *
+ * $Id: trionan.h,v 1.7 2002/05/04 14:26:44 breese Exp $
+ *
+ * Copyright (C) 2001 Bjorn Reese <breese@users.sourceforge.net>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE AUTHORS AND
+ * CONTRIBUTORS ACCEPT NO RESPONSIBILITY IN ANY CONCEIVABLE MANNER.
+ *
+ ************************************************************************/
+
+#ifndef TRIO_NAN_H
+#define TRIO_NAN_H
+
+#include "triodef.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum {
+  TRIO_FP_INFINITE,
+  TRIO_FP_NAN,
+  TRIO_FP_NORMAL,
+  TRIO_FP_SUBNORMAL,
+  TRIO_FP_ZERO
+};
+
+/*
+ * Return NaN (Not-a-Number).
+ */
+TRIO_PUBLIC double trio_nan TRIO_PROTO((void));
+
+/*
+ * Return positive infinity.
+ */
+TRIO_PUBLIC double trio_pinf TRIO_PROTO((void));
+
+/*
+ * Return negative infinity.
+ */
+TRIO_PUBLIC double trio_ninf TRIO_PROTO((void));
+  
+/*
+ * Return negative zero.
+ */
+TRIO_PUBLIC double trio_nzero TRIO_PROTO((TRIO_NOARGS));
+
+/*
+ * If number is a NaN return non-zero, otherwise return zero.
+ */
+TRIO_PUBLIC int trio_isnan TRIO_PROTO((double number));
+
+/*
+ * If number is positive infinity return 1, if number is negative
+ * infinity return -1, otherwise return 0.
+ */
+TRIO_PUBLIC int trio_isinf TRIO_PROTO((double number));
+
+/*
+ * If number is finite return non-zero, otherwise return zero.
+ */
+TRIO_PUBLIC int trio_isfinite TRIO_PROTO((double number));
+
+TRIO_PUBLIC int trio_signbit TRIO_PROTO((double number));
+
+TRIO_PUBLIC int trio_fpclassify TRIO_PROTO((double number));
+
+TRIO_PUBLIC int trio_fpclassify_and_signbit TRIO_PROTO((double number, int *is_negative));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* TRIO_NAN_H */