693 Opensource replacement of sunwlibm

Reviewed by: Igor Kozhukhov ikozhukhov@gmail.com
Reviewed by: Keith M Wesolowski <keith.wesolowski@joyent.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Approved by: Dan McDonald <danmcd@omniti.com>

1 files changed, 68 insertions, 0 deletions

diff --git a/usr/src/lib/libm/common/C/xpg6.h b/usr/src/lib/libm/common/C/xpg6.h
new file mode 100644
index 0000000000..87ead1ca61
--- /dev/null
+++ b/usr/src/lib/libm/common/C/xpg6.h
@@ -0,0 +1,68 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _XPG6_H
+#define	_XPG6_H
+
+/*
+ * The bits in lib/libc/inc/xpg6.h fpgroup may use as per PSARC/2003/486.
+ */
+
+/*
+ * If set, math library entry points present in SUSv2 deal with exceptional
+ * cases as per SUSv3 spec where math_errhandling is set to MATH_ERREXCEPT;
+ * otherwise they behave as per SUSv2 spec.
+ */
+#define	_C99SUSv3_math_errexcept		0x00000400
+/*
+ * If set, pow(+/-1,+/-Inf) & pow(1,NaN) return 1; otherwise NaN is returned.
+ * Analogous comment applies to powf and powl.
+ */
+#define	_C99SUSv3_pow_treats_Inf_as_an_even_int	0x00000080
+/*
+ * If set, logb(subnormal) returns (double) ilogb(subnormal); otherwise
+ * logb(subnormal) returns logb(DBL_MIN).  Analogous comment applies to
+ * logbf and logbl.
+ */
+#define	_C99SUSv3_logb_subnormal_is_like_ilogb	0x00000040
+/*
+ * If set, ilogb(0/+Inf/-Inf/NaN) raises FE_INVALID as per SUSv3; otherwise
+ * no exception is raised.  Analogous comment applies to ilogbf and ilogbl.
+ */
+#define	_C99SUSv3_ilogb_0InfNaN_raises_invalid	0x00000020
+
+/*
+ * __xpg6 = _C99SUSv3_mode_OFF disables C99/SUSv3 standards conformance mode.
+ */
+#define	_C99SUSv3_mode_OFF	0xFFFF0000
+
+#if !defined(_ASM)
+extern unsigned int __xpg6;
+#endif
+
+#endif /* _XPG6_H */