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authorthorpej <thorpej@NetBSD.org>2003-05-17 14:51:24 +0000
committerthorpej <thorpej@NetBSD.org>2003-05-17 14:51:24 +0000
commitf9345ff71e11fdd45bd2bca500bade3947ede429 (patch)
tree5a27c17f6c4becc86fb62e8e2e84ef4c3b109765 /lib
parent23a6c4c9b7f919d42de5273b6bf2d5484011eec7 (diff)
Add _isinfl() and _isnanl() routines, currently for internal use only.
Diffstat (limited to 'lib')
-rw-r--r--lib/libc/arch/vax/gen/isinfl.c59
-rw-r--r--lib/libc/arch/vax/gen/isnanl.c59
-rw-r--r--lib/libc/gen/isinfl_ieee754.c83
-rw-r--r--lib/libc/gen/isnanl_ieee754.c83
4 files changed, 284 insertions, 0 deletions
diff --git a/lib/libc/arch/vax/gen/isinfl.c b/lib/libc/arch/vax/gen/isinfl.c
new file mode 100644
index 00000000000..35fd8fa25ba
--- /dev/null
+++ b/lib/libc/arch/vax/gen/isinfl.c
@@ -0,0 +1,59 @@
+/* $NetBSD: isinfl.c,v 1.1 2003/05/17 14:51:24 thorpej Exp $ */
+
+/*-
+ * Copyright (c) 1991, 1993
+ * The Regents of the University of California. 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS 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.
+ */
+
+#include <sys/cdefs.h>
+#if defined(LIBC_SCCS) && !defined(lint)
+#if 0
+static char sccsid[] = "@(#)isinf.c 8.1 (Berkeley) 6/4/93";
+#else
+__RCSID("$NetBSD: isinfl.c,v 1.1 2003/05/17 14:51:24 thorpej Exp $");
+#endif
+#endif /* LIBC_SCCS and not lint */
+
+#include "namespace.h"
+#include <math.h>
+
+#if 0 /* XXX Currently limted to internal use. */
+#ifdef __weak_alias
+__weak_alias(isinfl,_isinfl)
+#endif
+#endif
+
+/* ARGSUSED */
+int
+isinfl(long double d)
+{
+ return (0);
+}
diff --git a/lib/libc/arch/vax/gen/isnanl.c b/lib/libc/arch/vax/gen/isnanl.c
new file mode 100644
index 00000000000..6d0423239e2
--- /dev/null
+++ b/lib/libc/arch/vax/gen/isnanl.c
@@ -0,0 +1,59 @@
+/* $NetBSD: isnanl.c,v 1.1 2003/05/17 14:51:24 thorpej Exp $ */
+
+/*-
+ * Copyright (c) 1991, 1993
+ * The Regents of the University of California. 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS 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.
+ */
+
+#include <sys/cdefs.h>
+#if defined(LIBC_SCCS) && !defined(lint)
+#if 0
+static char sccsid[] = "@(#)isinf.c 8.1 (Berkeley) 6/4/93";
+#else
+__RCSID("$NetBSD: isnanl.c,v 1.1 2003/05/17 14:51:24 thorpej Exp $");
+#endif
+#endif /* LIBC_SCCS and not lint */
+
+#include "namespace.h"
+#include <math.h>
+
+#if 0 /* XXX Currently limited to internal use. */
+#ifdef __weak_alias
+__weak_alias(isnan,_isnan)
+#endif
+#endif
+
+/* ARGSUSED */
+int
+isnanl(long double d)
+{
+ return (0);
+}
diff --git a/lib/libc/gen/isinfl_ieee754.c b/lib/libc/gen/isinfl_ieee754.c
new file mode 100644
index 00000000000..d65ba4ffd2d
--- /dev/null
+++ b/lib/libc/gen/isinfl_ieee754.c
@@ -0,0 +1,83 @@
+/* $NetBSD: isinfl_ieee754.c,v 1.1 2003/05/17 14:51:25 thorpej Exp $ */
+
+/*
+ * Copyright (c) 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This software was developed by the Computer Systems Engineering group
+ * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
+ * contributed to Berkeley.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS 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.
+ *
+ * from: Header: isinf.c,v 1.1 91/07/08 19:03:34 torek Exp
+ */
+
+#include <sys/cdefs.h>
+#if defined(LIBC_SCCS) && !defined(lint)
+#if 0
+static char sccsid[] = "@(#)isinf.c 8.1 (Berkeley) 6/4/93";
+#else
+__RCSID("$NetBSD");
+#endif
+#endif /* LIBC_SCCS and not lint */
+
+#include "namespace.h"
+#include <sys/types.h>
+#include <machine/ieee.h>
+#include <math.h>
+
+#if !defined(EXT_EXP_INFNAN)
+#include <assert.h>
+#endif
+
+#if 0 /* XXX Currently limited to internal use. */
+#ifdef __weak_alias
+__weak_alias(isinfl,_isinfl)
+#endif
+#endif
+
+int
+isinfl(long double ld)
+{
+#if defined(EXT_EXP_INFNAN)
+ union {
+ long double ld;
+ struct ieee_ext ldbl;
+ } u;
+
+ u.ld = ld;
+ return (u.ldbl.ext_exp == EXT_EXP_INFNAN &&
+ (u.ldbl.ext_frach == 0 && u.ldbl.ext_frachm == 0 &&
+ u.ldbl.ext_fraclm == 0 && u.ldbl.ext_fracl == 0));
+#else
+ _DIAGASSERT(sizeof(double) == sizeof(long double));
+ return (isinf((double) ld));
+#endif /* EXT_EXP_INFNAN */
+}
diff --git a/lib/libc/gen/isnanl_ieee754.c b/lib/libc/gen/isnanl_ieee754.c
new file mode 100644
index 00000000000..00b5c112ceb
--- /dev/null
+++ b/lib/libc/gen/isnanl_ieee754.c
@@ -0,0 +1,83 @@
+/* $NetBSD: isnanl_ieee754.c,v 1.1 2003/05/17 14:51:25 thorpej Exp $ */
+
+/*
+ * Copyright (c) 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This software was developed by the Computer Systems Engineering group
+ * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
+ * contributed to Berkeley.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS 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.
+ *
+ * from: Header: isinf.c,v 1.1 91/07/08 19:03:34 torek Exp
+ */
+
+#include <sys/cdefs.h>
+#if defined(LIBC_SCCS) && !defined(lint)
+#if 0
+static char sccsid[] = "@(#)isinf.c 8.1 (Berkeley) 6/4/93";
+#else
+__RCSID("$NetBSD54_isnan.c,v 1.1 2002/02/19 13:08:13 simonb Exp $");
+#endif
+#endif /* LIBC_SCCS and not lint */
+
+#include "namespace.h"
+#include <sys/types.h>
+#include <machine/ieee.h>
+#include <math.h>
+
+#if !defined(EXT_EXP_INFNAN)
+#include <assert.h>
+#endif
+
+#if 0 /* XXX Currently limited to internal use. */
+#ifdef __weak_alias
+__weak_alias(isnanl,_isnanl)
+#endif
+#endif
+
+int
+isnanl(long double ld)
+{
+#if defined(EXT_EXP_INFNAN)
+ union {
+ long double ld;
+ struct ieee_ext ldbl;
+ } u;
+
+ u.ld = ld;
+ return (u.ldbl.ext_exp == DBL_EXP_INFNAN &&
+ (u.ldbl.ext_frach != 0 || u.ldbl.ext_frachm != 0 ||
+ u.ldbl.ext_fraclm != 0 || u.ldbl.ext_fracl != 0));
+#else
+ _DIAGASSERT(sizeof(double) == sizeof(long double));
+ return (isnan((double) ld));
+#endif /* EXT_EXP_INFNAN */
+}