projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 3352b62b N |
1 | /* $NetBSD: unordsf2.c,v 1.1 2003/05/06 08:58:20 rearnsha Exp $ */\r |
| 2 | /** @file\r | |
| 3 | *\r | |
| 4 | * Copyright (c) 2013 - 2014, ARM Limited. All rights reserved.\r | |
| 5 | *\r | |
| 6 | * This program and the accompanying materials\r | |
| 7 | * are licensed and made available under the terms and conditions of the BSD License\r | |
| 8 | * which accompanies this distribution. The full text of the license may be found at\r | |
| 9 | * http://opensource.org/licenses/bsd-license.php\r | |
| 10 | *\r | |
| 11 | * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 12 | * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 13 | *\r | |
| 14 | **/\r | |
| 15 | /*\r | |
| 16 | * Written by Richard Earnshaw, 2003. This file is in the Public Domain.\r | |
| 17 | */\r | |
| 18 | \r | |
| 19 | #include "softfloat-for-gcc.h"\r | |
| 20 | #include "milieu.h"\r | |
| 21 | #include "softfloat.h"\r | |
| 22 | \r | |
| 23 | #include <sys/cdefs.h>\r | |
| 24 | #if defined(LIBC_SCCS) && !defined(lint)\r | |
| 25 | __RCSID("$NetBSD: unordsf2.c,v 1.1 2003/05/06 08:58:20 rearnsha Exp $");\r | |
| 26 | #endif /* LIBC_SCCS and not lint */\r | |
| 27 | \r | |
| 28 | flag __unordsf2(float32, float32);\r | |
| 29 | \r | |
| 30 | flag\r | |
| 31 | __unordsf2(float32 a, float32 b)\r | |
| 32 | {\r | |
| 33 | /*\r | |
| 34 | * The comparison is unordered if either input is a NaN.\r | |
| 35 | * Test for this by comparing each operand with itself.\r | |
| 36 | * We must perform both comparisons to correctly check for\r | |
| 37 | * signalling NaNs.\r | |
| 38 | */\r | |
| 39 | return 1 ^ (float32_eq(a, a) & float32_eq(b, b));\r | |
| 40 | }\r |