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/src/lib/numeric/complex_constants.e

http://github.com/tybor/Liberty
Specman e | 54 lines | 23 code | 5 blank | 26 comment | 0 complexity | 9ec9dc16993c84f2422df649017b2d0e MD5 | raw file
 1-- This file is part of a Liberty Eiffel library.
 2-- See the full copyright at the end.
 3--
 4expanded class COMPLEX_CONSTANTS
 5   -- Complex constants
 6
 7feature {ANY} --
 8   complex (a_real, an_imaginary: REAL_64): COMPLEX_64
 9      do
10         Result.set(a_real,an_imaginary)
11      end
12
13feature {ANY} -- Maths constants:
14   i: COMPLEX_64
15         -- complex i
16      do
17         Result.set(0.0, 1.0) -- set({REAL_32 0.0},{REAL_32 -1.0})
18      end
19
20   zero: COMPLEX_64
21         -- zero
22      do
23         check
24            Result.real = 0.0
25            Result.imaginary = 0.0
26         end
27      end
28
29   one: COMPLEX_64
30      do
31         Result.set(1.0,0.0)
32      end
33
34end -- class COMPLEX_CONSTANTS
35--
36-- Copyright (C) 2011-2017: Paolo Redaelli
37--
38-- Permission is hereby granted, free of charge, to any person obtaining a copy
39-- of this software and associated documentation files (the "Software"), to deal
40-- in the Software without restriction, including without limitation the rights
41-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
42-- copies of the Software, and to permit persons to whom the Software is
43-- furnished to do so, subject to the following conditions:
44--
45-- The above copyright notice and this permission notice shall be included in
46-- all copies or substantial portions of the Software.
47--
48-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
49-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
50-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
51-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
52-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
53-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
54-- THE SOFTWARE.