1 files changed, 66 insertions, 0 deletions
diff --git a/lib/msun/src/s_nan.c b/lib/msun/src/s_nan.c
new file mode 100644
index 0000000..10014f6
--- /dev/null
+++ b/lib/msun/src/s_nan.c
@@ -0,0 +1,66 @@
+/*-
+ * Copyright (c) 2007 David Schultz
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <float.h>
+#include <math.h>
+
+#include "../../../contrib/gdtoa/gdtoaimp.h"
+#include "math_private.h"
+
+double
+nan(const char *s)
+{
+	static FPI fpi = { 52, -1074, 971, 1, SI };
+
+	double result;
+	ULong bits[2];
+
+	s--;
+	hexnan(&s, &fpi, bits);
+	SET_HIGH_WORD(result, 0x7ff80000 | bits[1]);
+	SET_LOW_WORD(result, bits[0]);
+	return (result);
+}
+
+float
+nanf(const char *s)
+{
+	static FPI fpi = { 24, -149, 104, 1, SI };
+
+	float result;
+	ULong bits[1];
+
+	s--;
+	hexnan(&s, &fpi, bits);
+	SET_FLOAT_WORD(result, 0x7fc00000 | bits[0]);
+	return (result);
+}
+
+#if (LDBL_MANT_DIG == 53)
+__weak_reference(nan, nanl);
+#endif