| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2011 William Pitcock <nenolod@dereferenced.org> |
| 3 | * |
| 4 | * Permission to use, copy, modify, and/or distribute this software for any |
| 5 | * purpose with or without fee is hereby granted, provided that the above |
| 6 | * copyright notice and this permission notice appear in all copies. |
| 7 | * |
| 8 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 9 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 10 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 11 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
| 12 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 13 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 14 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 15 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 16 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| 17 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 18 | * POSSIBILITY OF SUCH DAMAGE. |
| 19 | */ |
| 20 | |
| 21 | #include <features.h> |
| 22 | #include <math.h> |
| 23 | #include <complex.h> |
| 24 | |
| 25 | __complex__ double cexp(__complex__ double z) |
| 26 | { |
| 27 | __complex__ double ret; |
| 28 | double r_exponent = exp(__real__ z); |
| 29 | |
| 30 | __real__ ret = r_exponent * cos(__imag__ z); |
| 31 | __imag__ ret = r_exponent * sin(__imag__ z); |
| 32 | |
| 33 | return ret; |
| 34 | } |
| 35 | libm_hidden_def(cexp) |
| 36 | |
| 37 | libm_hidden_proto(cexpf) |
| 38 | __complex__ float cexpf(__complex__ float z) |
| 39 | { |
| 40 | __complex__ float ret; |
| 41 | double r_exponent = exp(__real__ z); |
| 42 | |
| 43 | __real__ ret = r_exponent * cosf(__imag__ z); |
| 44 | __imag__ ret = r_exponent * sinf(__imag__ z); |
| 45 | |
| 46 | return ret; |
| 47 | } |
| 48 | libm_hidden_def(cexpf) |
| 49 | |
| 50 | #if defined __UCLIBC_HAS_LONG_DOUBLE_MATH__ && !defined __NO_LONG_DOUBLE_MATH |
| 51 | libm_hidden_proto(cexpl) |
| 52 | __complex__ long double cexpl(__complex__ long double z) |
| 53 | { |
| 54 | __complex__ long double ret; |
| 55 | long double r_exponent = expl(__real__ z); |
| 56 | |
| 57 | __real__ ret = r_exponent * cosl(__imag__ z); |
| 58 | __imag__ ret = r_exponent * sinl(__imag__ z); |
| 59 | |
| 60 | return ret; |
| 61 | } |
| 62 | libm_hidden_def(cexpl) |
| 63 | #endif |