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LELFunctionEnums.h
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1 //# LELFunctionEnums.h: Enums of function names
2 //# Copyright (C) 1997,1998,1999,2001,2003
3 //# Associated Universities, Inc. Washington DC, USA.
4 //#
5 //# This library is free software; you can redistribute it and/or modify it
6 //# under the terms of the GNU Library General Public License as published by
7 //# the Free Software Foundation; either version 2 of the License, or (at your
8 //# option) any later version.
9 //#
10 //# This library is distributed in the hope that it will be useful, but WITHOUT//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
12 //# License for more details.
13 //#
14 //# You should have received a copy of the GNU Library General Public License
15 //# along with this library; if not, write to the Free Software Foundation,
16 //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
17 //#
18 //# Correspondence concerning AIPS++ should be addressed as follows:
19 //# Internet email: aips2-request@nrao.edu.
20 //# Postal address: AIPS++ Project Office
21 //# National Radio Astronomy Observatory
22 //# 520 Edgemont Road
23 //# Charlottesville, VA 22903-2475 USA
24 //#
25 //# $Id$
26 
27 #ifndef LATTICES_LELFUNCTIONENUMS_H
28 #define LATTICES_LELFUNCTIONENUMS_H
29 
30 #include <casacore/casa/aips.h>
31 
32 namespace casacore { //# NAMESPACE CASACORE - BEGIN
33 
34 // <summary> Each LEL function is described in this enum </summary>
35 //
36 // <use visibility=local>
37 //
38 // <reviewed reviewer="" date="yyyy/mm/dd" tests="" demos="">
39 // </reviewed>
40 //
41 // <prerequisite>
42 // <li> <linkto class="Lattice"> Lattice</linkto>
43 // <li> <linkto class="LatticeExpr"> LatticeExpr</linkto>
44 // <li> <linkto class="LatticeExprNode"> LatticeExprNode</linkto>
45 // <li> <linkto class="LELInterface"> LELInterface</linkto>
46 // </prerequisite>
47 //
48 // <etymology>
49 // This enum provides a value for each function accepted
50 // by the Lattice Expression Language classes.
51 // </etymology>
52 //
53 // <synopsis>
54 // Each function name accepted by the bridging class LatticeExprNode
55 // and passed on to the
56 // <linkto class="LELFunction1D">LELFunction</linkto>
57 // letter classes is labelled internally
58 // with a value from this enum.
59 // </synopsis>
60 //
61 // <todo asof="1998/01/21">
62 // </todo>
63 
64 
66 {
67 public:
68  enum Function {
69 
70 // sin
71  SIN,
72 
73 // sinh
75 
76 // asin
78 
79 // cos
80  COS,
81 
82 // cosh
84 
85 // acos
87 
88 // tan
89  TAN,
90 
91 // tanh
93 
94 // atan; atan(x) returns the arc tangent of x in the range -pi/2 to pi/2.
96 
97 // atan2; atan2(y,x) computes an arc tangent of y/x in the range -pi to pi
99 
100 // exp
102 
103 // log
105 
106 // log10
108 
109 // power pow(x,y) == x**y or x^y
111 
112 // sqrt
114 
115 // round
117 
118 // sign (-1 if <0; 0 if 0; 1 if >0)
120 
121 // ceil; returns the least integral value greater than or equal to x.
123 
124 // floor; returns the greatest integral value less than or equal to x.
126 
127 // abs
129 
130 // phase (of complex number)
132 
133 // real (part of number)
135 
136 // imag (inary part of complex number)
138 
139 // conj (ugate complex number)
141 
142 // complex (form complex from 2 reals)
144 
145 // fmod; fmod(x,y) returns the remainder of x with respect to y; that is,
146 // the result r is one of the numbers that differ from x by an integral multiple of y.
148 
149 // min; min(x,y)
151 
152 // max; max(x,y)
154 
155 // min; min(x) (is a scalar)
157 
158 // max; max(x) (is a scalar)
160 
161 // mean; mean(x) (is a scalar)
163 
164 // median; median(x) (is a scalar)
166 
167 // fractile; fractile(x,fraction) (is a scalar)
169 
170 // fractilerange; fractilerange(x,fraction1[,fraction2]) (is a scalar)
172 
173 // sum; sum(x) (is a scalar)
175 
176 // nelements; nelements(x) (is a scalar)
178 
179 // all (true) (is a scalar)
181 
182 // any (true) (is a scalar)
184 
185 // ntrue
187 
188 // nfalse
190 
191 // mask
193 
194 // value
196 
197 // iif (similar to ?: in C++)
199 
200 // replace
202 
203 // dimensionality
205 
206 // length (of an axis)
208 
209 // is the value a NaN?
211 
212 // a bool array telling which indices of an axis are to be used
214 
215 // number of functions
217 
218 };
219 
220 };
221 
222 
223 } //# NAMESPACE CASACORE - END
224 
225 #endif
fmod; fmod(x,y) returns the remainder of x with respect to y; that is, the result r is one of the num...
all (true) (is a scalar)
atan2; atan2(y,x) computes an arc tangent of y/x in the range -pi to pi
Each LEL function is described in this enum.
atan; atan(x) returns the arc tangent of x in the range -pi/2 to pi/2.
max; max(x) (is a scalar)
a bool array telling which indices of an axis are to be used
conj (ugate complex number)
mean; mean(x) (is a scalar)
fractile; fractile(x,fraction) (is a scalar)
power pow(x,y) == x**y or x^y
min; min(x) (is a scalar)
any (true) (is a scalar)
iif (similar to ?: in C++)
phase (of complex number)
ceil; returns the least integral value greater than or equal to x.
complex (form complex from 2 reals)
imag (inary part of complex number)
nelements; nelements(x) (is a scalar)
fractilerange; fractilerange(x,fraction1[,fraction2]) (is a scalar)
median; median(x) (is a scalar)
sign (-1 if &lt;0; 0 if 0; 1 if &gt;0)
floor; returns the greatest integral value less than or equal to x.
sum; sum(x) (is a scalar)