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authorTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
commitd6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch)
treeece253b876159b39c620e62b6c9b1174642e070e /lib/libc/quad/fixdfdi.c
initial import of NetBSD tree
Diffstat (limited to 'lib/libc/quad/fixdfdi.c')
-rw-r--r--lib/libc/quad/fixdfdi.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/lib/libc/quad/fixdfdi.c b/lib/libc/quad/fixdfdi.c
new file mode 100644
index 00000000000..21649f626c9
--- /dev/null
+++ b/lib/libc/quad/fixdfdi.c
@@ -0,0 +1,68 @@
+/* $NetBSD: fixdfdi.c,v 1.2 1995/02/27 17:29:54 cgd 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+#if 0
+static char sccsid[] = "@(#)fixdfdi.c 8.1 (Berkeley) 6/4/93";
+#else
+static char rcsid[] = "$NetBSD: fixdfdi.c,v 1.2 1995/02/27 17:29:54 cgd Exp $";
+#endif
+#endif /* LIBC_SCCS and not lint */
+
+#include "quad.h"
+
+/*
+ * Convert double to (signed) quad.
+ * We clamp anything that is out of range.
+ */
+quad_t
+__fixdfdi(x)
+ double x;
+{
+ if (x < 0)
+ if (x <= QUAD_MIN)
+ return (QUAD_MIN);
+ else
+ return ((quad_t)-(u_quad_t)-x);
+ else
+ if (x >= QUAD_MAX)
+ return (QUAD_MAX);
+ else
+ return ((quad_t)(u_quad_t)x);
+}