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Diffstat (limited to 'fuzzylite/test/term/TriangleTest.cpp')
-rw-r--r-- | fuzzylite/test/term/TriangleTest.cpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/fuzzylite/test/term/TriangleTest.cpp b/fuzzylite/test/term/TriangleTest.cpp new file mode 100644 index 0000000..bd1459d --- /dev/null +++ b/fuzzylite/test/term/TriangleTest.cpp @@ -0,0 +1,66 @@ +/* + 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 FuzzyLite License included with the software. + + 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 "test/catch.hpp" +#include "fl/Headers.h" + +namespace fl { + + /** + * Tests: term/Triangle + * + * @author Juan Rada-Vilela, Ph.D. + * + */ + + TEST_CASE("triangle can be open ended with -infinity", "[term][triangle]") { + Triangle triangle("A", -fl::inf, 0, 1); + Ramp ramp("a", 1, 0); + for (int i = -10; i < 2; ++i) { + FL_DBG("A(" << i << ")=" << triangle.membership(i)); + FL_DBG("a(" << i << ")=" << ramp.membership(i)); + REQUIRE(Op::isEq(triangle.membership(i), ramp.membership(i))); + } + REQUIRE(Op::isEq(triangle.membership(-fl::inf), 1.0)); + REQUIRE(Op::isEq(triangle.membership(fl::inf), 0.0)); + } + + TEST_CASE("triangle can be open ended with +infinity", "[term][triangle]") { + Triangle triangle("A", 0, 1, fl::inf); + Ramp ramp("a", 0, 1); + for (int i = 10; i >= -2; --i) { + FL_DBG("A(" << i << ")=" << triangle.membership(i)); + FL_DBG("a(" << i << ")=" << ramp.membership(i)); + REQUIRE(Op::isEq(triangle.membership(i), ramp.membership(i))); + } + REQUIRE(Op::isEq(triangle.membership(fl::inf), 1.0)); + REQUIRE(Op::isEq(triangle.membership(-fl::inf), 0.0)); + } + + TEST_CASE("triangle defuzzification is correct", "[term][triangle]") { + Triangle a("A", 0, 1, 2); + Triangle b("B", 1, 2, 3); + AlgebraicProduct times; + Aggregated x("X", 0, 3, new AlgebraicSum); + x.addTerm(&a, 1, ×); + x.addTerm(&b, 1, ×); + Centroid c(101); + FL_LOG(c.defuzzify(&x, 0, 3)); + + Triangle t("T", 0, 0, 1); + FL_LOG(c.defuzzify(&t, 0, 1)); + } +} |