1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
//# tExprUnitNode.cc: Test program for unit handling in selection expressions
//# Copyright (C) 2009
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This program is free software; you can redistribute it and/or modify it
//# under the terms of the GNU General Public License as published by the Free
//# Software Foundation; either version 2 of the License, or (at your option)
//# any later version.
//#
//# This program is distributed in the hope that it will be useful, but WITHOUT
//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
//# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
//# more details.
//#
//# You should have received a copy of the GNU General Public License along
//# with this program; if not, write to the Free Software Foundation, Inc.,
//# 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//# Internet email: casa-feedback@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
#include <casacore/tables/TaQL/ExprNode.h>
#include <casacore/casa/BasicSL/Constants.h>
#include <casacore/casa/Utilities/Assert.h>
#include <casacore/casa/iostream.h>
#include <casacore/casa/namespace.h>
// <summary>
// Test program for unit handling in selection expressions.
// </summary>
Bool foundError = False;
void checkScaBool (const String& str, const TableExprId& exprid,
const TableExprNode& expr,
const Bool& value)
{
cout << "checkScaBool " << str << endl;
AlwaysAssertExit (expr.dataType() == TpBool);
AlwaysAssertExit (expr.unit().getName().empty());
Bool val;
expr.get (exprid, val);
if (val != value) {
foundError = True;
cout << str << ": found value " << val << "; expected " << value << endl;
}
}
void checkScaInt (const String& str, const TableExprId& exprid,
const TableExprNode& expr,
const Int& value)
{
cout << "checkScaInt " << str << endl;
AlwaysAssertExit (expr.dataType() == TpInt64);
AlwaysAssertExit (expr.unit().getName().empty());
Int64 val;
expr.get (exprid, val);
if (val != value) {
foundError = True;
cout << str << ": found value " << val << "; expected " << value << endl;
}
}
void checkScaDouble (const String& str, const TableExprId& exprid,
const TableExprNode& expr,
const Double& value,
const String& unit)
{
cout << "checkScaDouble " << str << ' ' << expr.unit().getName() << endl;
AlwaysAssertExit (expr.dataType() == TpDouble);
AlwaysAssertExit (expr.unit().getName() == unit);
Double val;
expr.get (exprid, val);
if (!near (val, value, 1.e-10)) {
foundError = True;
cout << str << ": found value " << val << "; expected " << value << endl;
}
}
#define checkFailure(STR,EXPR)\
{\
bool failed = False;\
try {\
TableExprNode n(EXPR);\
} catch (std::exception&) {\
failed = True;\
}\
if (!failed) {\
cout << STR << ": was expected to fail, but did not" << endl;\
}\
}
void doIt()
{
TableExprNode e30(30);
e30 = e30.useUnit("deg");
TableExprNode e1(2);
checkScaInt ("int 2", 0, e1, 2);
TableExprNode e2 = e1.useUnit (Unit("cm"));
checkScaDouble ("2 cm 1", 0, e1, 2, "cm");
checkScaDouble ("2 cm 2", 0, e2, 2, "cm");
TableExprNode e3 = e2.useUnit (Unit("m"));
checkScaDouble ("2 cm 3", 0, e2, 2, "cm");
checkScaDouble ("2 cm m", 0, e3, 0.02, "m");
// Math
checkScaDouble ("1+e3", 0, 1+e3, 1.02, "m");
checkScaDouble ("e2+e3", 0, e2+e3, 4, "cm");
checkScaDouble ("e3-2*e2", 0, e3-2*e2, -0.02, "m");
checkScaDouble ("e2*e3", 0, e2*e3, 0.04, "cm.m");
checkScaDouble ("e3*e2", 0, e3*e2, 0.04, "m.cm");
checkScaDouble ("e3/e2", 0, e3/e2, 1., "");
checkScaDouble ("e3%e2", 0, e3%e2, 0., "m");
// Comparison
checkScaBool ("e3*e2==e2*e3", 0, e3*e2==e2*e3, True);
checkScaBool ("e2==e3", 0, e2+0.00001==e3, False);
checkScaBool ("e2>=e3", 0, e2+0.00001>=e3, True);
checkScaBool ("e2>e3", 0, e2+0.00001>e3, True);
checkScaBool ("e2<=e3", 0, e2-0.00001<=e3, True);
checkScaBool ("e2<e3", 0, e2-0.00001<e3, True);
checkScaBool ("e2!=e3", 0, e2+0.00001!=e3, True);
// Functions
checkScaBool ("near2(e2,e3)", 0, near(e2,e3), True);
checkScaBool ("near3(e2,e3)", 0, near(e2,e3,1e-10), True);
checkScaBool ("nearAbs2(e2,e3)", 0, nearAbs(e2,e3), True);
checkScaBool ("nearAbs3(e2,e3)", 0, nearAbs(e2,e3,1e-10), True);
checkScaDouble ("min(e2,e3)", 0, min(e2,e3), 2, "cm");
checkScaDouble ("max(e3,e2)", 0, max(e3,e2), 0.02, "m");
checkScaDouble ("sin(30)", 0, sin(e30), 0.5, "");
checkScaDouble ("cos(30)", 0, cos(e30), 0.5*sqrt(3.), "");
checkScaDouble ("tan(30)", 0, tan(e30), 1./sqrt(3.), "");
checkScaDouble ("sinh(e2)", 0, sinh(e2), (exp(2)-exp(-2))/2, "");
checkScaDouble ("cosh(e2)", 0, cosh(e2), (exp(2)+exp(-2))/2, "");
checkScaDouble ("tanh(e2)", 0, tanh(e2), (exp(4)-1)/(exp(4)+1), "");
checkScaDouble ("asin(sin(30))", 0, asin(sin(e30)), M_PI/6, "rad");
checkScaDouble ("acos(cos(30))", 0, acos(cos(e30)), M_PI/6, "rad");
checkScaDouble ("atan(tan(30))", 0, atan(tan(e30)), M_PI/6, "rad");
checkScaDouble ("atan2(1,1)", 0, atan2(TableExprNode(1),1), M_PI/4, "rad");
checkScaDouble ("square(e2)", 0, square(e2), 4, "cm.cm");
checkScaDouble ("cube(e2)", 0, cube(e2), 8, "cm.cm.cm");
// sqrt returns basic SI units.
checkScaDouble ("sqrt(square(e2))", 0, sqrt(square(e2)), 0.02, "m");
checkScaDouble ("sqrt(e2*e2)", 0, sqrt(e2*e2), 0.02, "m");
checkScaDouble ("pow(e2,2)", 0, pow(e2,2), 4, "");
checkScaDouble ("log(e2)", 0, log(e2), log(2.), "");
checkScaDouble ("log10(e2)", 0, log10(e2), log10(2.), "");
checkScaDouble ("exp(e2)", 0, exp(e2), exp(2.), "");
checkScaDouble ("norm(e2)", 0, norm(e2), 4., "cm.cm");
checkScaDouble ("abs(e2)", 0, abs(e2), 2., "cm");
checkScaDouble ("real(e2)", 0, real(e2), 2., "cm");
checkScaDouble ("imag(e2)", 0, imag(e2), 0., "cm");
checkScaDouble ("arg(e2)", 0, arg(e2), 0., "rad");
checkScaDouble ("conj(e2)", 0, conj(e2), 2., "cm");
checkScaDouble ("round(e2)", 0, round(e2), 2., "cm");
checkScaDouble ("floor(e2)", 0, floor(e2), 2., "cm");
checkScaDouble ("ceil(e2)", 0, ceil(e2), 2., "cm");
checkScaDouble ("sign(e2)", 0, sign(e2), 1, "");
checkScaInt ("integer(e2)", 0, integer(e2), 2);
checkScaDouble ("sum(e2)", 0, sum(e2), 2., "cm");
checkScaDouble ("product(e2)", 0, product(e2), 2., "");
checkScaDouble ("sumSquare(e2)", 0, sumSquare(e2), 4., "cm.cm");
checkScaDouble ("min(e2)", 0, min(e2), 2., "cm");
checkScaDouble ("max(e2)", 0, max(e2), 2., "cm");
checkScaDouble ("mean(e2)", 0, mean(e2), 2., "cm");
checkScaDouble ("variance(e2)", 0, variance(e2), 0., "cm.cm");
checkScaDouble ("stddev(e2)", 0, stddev(e2), 0., "cm");
checkScaDouble ("avdev(e2)", 0, avdev(e2), 0., "cm");
checkScaDouble ("rms(e2)", 0, rms(e2), 2., "cm");
checkScaDouble ("median(e2)", 0, median(e2), 2., "cm");
checkScaBool ("isNaN(e2)", 0, isNaN(e2), False);
checkScaInt ("ndim(e2)", 0, ndim(e2), 0);
checkScaDouble ("time", 0, time("17Apr09/12:00:00"), M_PI, "rad");
checkScaDouble ("time", 0, time("1Jan08/12:00:00"), M_PI, "rad");
checkScaDouble ("date-date", 0, date("17Apr2009")-"1Apr2009", 16., "d");
checkScaDouble ("iif(T,e2,e3+1)", 0, iif(True,e2,e3+1), 2., "cm");
checkScaDouble ("iif(F,e2,e3+1)", 0, iif(False,e2,e3+1), 102., "cm");
checkScaDouble ("iif(T,e3,e2+1)", 0, iif(True,e3,e2+1), 0.02, "m");
checkScaDouble ("iif(F,e3,e2+1)", 0, iif(False,e3,e2+1), 0.03, "m");
// Check conversion from angle to time and back.
checkScaDouble ("30deg h", 0, e30.useUnit("h"), 2., "h");
TableExprNode e12(12);
e12 = e12.useUnit("min");
checkScaDouble ("12min arcmin", 0, e12.useUnit("arcmin"), 180., "arcmin");
// Check erroneous expressions.
TableExprNode s2(3);
s2 = s2.useUnit ("rad");
checkFailure ("e2+s2", e2+s2);
checkFailure ("e2-s2", e2-s2);
checkFailure ("sin(e2)", sin(e2));
checkFailure ("cos(e2)", cos(e2));
checkFailure ("tan(e2)", tan(e2));
}
int main()
{
try {
doIt();
} catch (std::exception& x) {
cout << "Unexpected exception: " << x.what() << endl;
return 1;
} catch (...) {
cout << "Unexpected unknown exception" << endl;
return 1;
}
if (foundError) {
cout << "Some unexpected results were found" << endl;
return 1;
}
cout << "OK" << endl;
return 0;
}
|
