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-rw-r--r--fuzzylite/src/hedge/Seldom.cpp31
1 files changed, 13 insertions, 18 deletions
diff --git a/fuzzylite/src/hedge/Seldom.cpp b/fuzzylite/src/hedge/Seldom.cpp
index d87b48a..092e873 100644
--- a/fuzzylite/src/hedge/Seldom.cpp
+++ b/fuzzylite/src/hedge/Seldom.cpp
@@ -1,25 +1,17 @@
/*
- Author: Juan Rada-Vilela, Ph.D.
- Copyright (C) 2010-2014 FuzzyLite Limited
- All rights reserved
+ fuzzylite (R), a fuzzy logic control library in C++.
+ Copyright (C) 2010-2017 FuzzyLite Limited. All rights reserved.
+ Author: Juan Rada-Vilela, Ph.D. <jcrada@fuzzylite.com>
This file is part of fuzzylite.
fuzzylite is free software: you can redistribute it and/or modify it under
- the terms of the GNU Lesser General Public License as published by the Free
- Software Foundation, either version 3 of the License, or (at your option)
- any later version.
+ the terms of the FuzzyLite License included with the software.
- fuzzylite 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 Lesser General Public License
- for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with fuzzylite. If not, see <http://www.gnu.org/licenses/>.
-
- fuzzyliteâ„¢ is a trademark of FuzzyLite Limited.
+ You should have received a copy of the FuzzyLite License along with
+ fuzzylite. If not, see <http://www.fuzzylite.com/license/>.
+ fuzzylite is a registered trademark of FuzzyLite Limited.
*/
#include "fl/hedge/Seldom.h"
@@ -32,10 +24,14 @@ namespace fl {
return "seldom";
}
+ Complexity Seldom::complexity() const {
+ return Complexity().comparison(1).function(1).arithmetic(3);
+ }
+
scalar Seldom::hedge(scalar x) const {
return Op::isLE(x, 0.5)
- ? std::sqrt(x / 2.0)
- : 1.0 - std::sqrt((1.0 - x) / 2.0);
+ ? std::sqrt(0.5 * x)
+ : (1.0 - std::sqrt(0.5 * (1.0 - x)));
}
Seldom* Seldom::clone() const {
@@ -46,5 +42,4 @@ namespace fl {
return new Seldom;
}
-
}