| David 'Digit' Turner | 8e2ff16 | 2011-01-25 17:05:50 +0100 | [diff] [blame] | 1 | /*- |
| Elliott Hughes | 8da8ca4 | 2018-05-08 13:35:33 -0700 | [diff] [blame] | 2 | * SPDX-License-Identifier: BSD-2-Clause-FreeBSD |
| 3 | * |
| David 'Digit' Turner | 8e2ff16 | 2011-01-25 17:05:50 +0100 | [diff] [blame] | 4 | * Copyright (c) 2008 David Schultz <das@FreeBSD.ORG> |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 26 | * SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | #include <sys/cdefs.h> |
| Elliott Hughes | bac0ebb | 2021-01-26 14:17:20 -0800 | [diff] [blame^] | 30 | __FBSDID("$FreeBSD$"); |
| David 'Digit' Turner | 8e2ff16 | 2011-01-25 17:05:50 +0100 | [diff] [blame] | 31 | |
| Elliott Hughes | a0ee078 | 2013-01-30 19:06:37 -0800 | [diff] [blame] | 32 | #include <complex.h> |
| Elliott Hughes | 2d1a2aa | 2019-02-04 13:43:48 -0800 | [diff] [blame] | 33 | #include <float.h> |
| David 'Digit' Turner | 8e2ff16 | 2011-01-25 17:05:50 +0100 | [diff] [blame] | 34 | #include <math.h> |
| 35 | |
| Elliott Hughes | a0ee078 | 2013-01-30 19:06:37 -0800 | [diff] [blame] | 36 | #include "math_private.h" |
| 37 | |
| 38 | double complex |
| 39 | cproj(double complex z) |
| David 'Digit' Turner | 8e2ff16 | 2011-01-25 17:05:50 +0100 | [diff] [blame] | 40 | { |
| 41 | |
| Elliott Hughes | a0ee078 | 2013-01-30 19:06:37 -0800 | [diff] [blame] | 42 | if (!isinf(creal(z)) && !isinf(cimag(z))) |
| 43 | return (z); |
| 44 | else |
| Elliott Hughes | 8cff2f9 | 2015-08-28 20:21:43 -0700 | [diff] [blame] | 45 | return (CMPLX(INFINITY, copysign(0.0, cimag(z)))); |
| David 'Digit' Turner | 8e2ff16 | 2011-01-25 17:05:50 +0100 | [diff] [blame] | 46 | } |
| Elliott Hughes | a0ee078 | 2013-01-30 19:06:37 -0800 | [diff] [blame] | 47 | |
| 48 | #if LDBL_MANT_DIG == 53 |
| 49 | __weak_reference(cproj, cprojl); |
| 50 | #endif |