1 files changed, 0 insertions, 93 deletions
diff --git a/src/lib9/fmt/nan64.c b/src/lib9/fmt/nan64.c
deleted file mode 100644
index 1ea702741..000000000
--- a/src/lib9/fmt/nan64.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * The authors of this software are Rob Pike and Ken Thompson,
- * with contributions from Mike Burrows and Sean Dorward.
- *
- *     Copyright (c) 2002-2006 by Lucent Technologies.
- *     Portions Copyright (c) 2004 Google Inc.
- * 
- * Permission to use, copy, modify, and distribute this software for any
- * purpose without fee is hereby granted, provided that this entire notice
- * is included in all copies of any software which is or includes a copy
- * or modification of this software and in all copies of the supporting
- * documentation for such software.
- * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTY.  IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES 
- * NOR GOOGLE INC MAKE ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING 
- * THE MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
- */
-
-/*
- * 64-bit IEEE not-a-number routines.
- * This is big/little-endian portable assuming that
- * the 64-bit doubles and 64-bit integers have the
- * same byte ordering.
- */
-
-#include <u.h>
-#include <libc.h>
-#include "fmtdef.h"
-
-static uvlong uvnan    = ((uvlong)0x7FF00000<<32)|0x00000001;
-static uvlong uvinf    = ((uvlong)0x7FF00000<<32)|0x00000000;
-static uvlong uvneginf = ((uvlong)0xFFF00000<<32)|0x00000000;
-
-/* gcc sees through the obvious casts. */
-static uvlong
-d2u(double d)
-{
-	union {
-		uvlong v;
-		double d;
-	} u;
-	assert(sizeof(u.d) == sizeof(u.v));
-	u.d = d;
-	return u.v;
-}
-
-static double
-u2d(uvlong v)
-{
-	union {
-		uvlong v;
-		double d;
-	} u;
-	assert(sizeof(u.d) == sizeof(u.v));
-	u.v = v;
-	return u.d;
-}
-
-double
-__NaN(void)
-{
-	return u2d(uvnan);
-}
-
-int
-__isNaN(double d)
-{
-	uvlong x;
-
-	x = d2u(d);
-	/* IEEE 754: exponent bits 0x7FF and non-zero mantissa */
-	return (x&uvinf) == uvinf && (x&~uvneginf) != 0;
-}
-
-double
-__Inf(int sign)
-{
-	return u2d(sign < 0 ? uvneginf : uvinf);
-}
-
-int
-__isInf(double d, int sign)
-{
-	uvlong x;
-
-	x = d2u(d);
-	if(sign == 0)
-		return x==uvinf || x==uvneginf;
-	else if(sign > 0)
-		return x==uvinf;
-	else
-		return x==uvneginf;
-}