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Use exprtk lib to evaluate mathematical expressions

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This commit is contained in:
WarmUpTill
2023-03-31 22:49:00 +02:00
committed by WarmUpTill
parent fe1ddc3a94
commit 2fdd39fba5
6 changed files with 41077 additions and 316 deletions
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27
tests/tests.cpp
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@@ -11,6 +11,12 @@ TEST_CASE("Expressions are evaluated successfully", "[math-helpers]")
REQUIRE(doubleValuePtr != nullptr);
REQUIRE(*doubleValuePtr == 1.0);
expressionResult = EvalMathExpression("-1");
doubleValuePtr = std::get_if<double>(&expressionResult);
REQUIRE(doubleValuePtr != nullptr);
REQUIRE(*doubleValuePtr == -1.0);
expressionResult = EvalMathExpression("1 + 2");
doubleValuePtr = std::get_if<double>(&expressionResult);
@@ -29,8 +35,27 @@ TEST_CASE("Expressions are evaluated successfully", "[math-helpers]")
REQUIRE(doubleValuePtr != nullptr);
REQUIRE(*doubleValuePtr == 9.0);
expressionResult = EvalMathExpression("(1 - 2) * 3");
doubleValuePtr = std::get_if<double>(&expressionResult);
REQUIRE(doubleValuePtr != nullptr);
REQUIRE(*doubleValuePtr == -3.0);
expressionResult = EvalMathExpression("(1-2)*3");
doubleValuePtr = std::get_if<double>(&expressionResult);
REQUIRE(doubleValuePtr != nullptr);
REQUIRE(*doubleValuePtr == -3.0);
expressionResult =
EvalMathExpression("cos(abs(1 - sqrt(10 - 2 * 3)) -1)");
EvalMathExpression("cos(abs(1 - sqrt(10 - 2 * 3)) - 1)");
doubleValuePtr = std::get_if<double>(&expressionResult);
REQUIRE(doubleValuePtr != nullptr);
REQUIRE(*doubleValuePtr == 1.0);
expressionResult =
EvalMathExpression("cos(abs(1 - sqrt(10 -2 * 3)) -1)");
doubleValuePtr = std::get_if<double>(&expressionResult);
REQUIRE(doubleValuePtr != nullptr);