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Issue #64 #74

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Issue #64 #74

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e0e035e
Add operator Factorial
Dec 6, 2016
f637b19
Special case operator factorial
Dec 6, 2016
c3eeeeb
Add tests for factorial order
Dec 6, 2016
29a4359
Fix: indentation and remove system.out calls
Dec 6, 2016
edc3998
Fix: special casing is not necesary on tokenizer
Dec 6, 2016
9c229d1
Add some more tests (Just in case)
Dec 6, 2016
001c289
Test for issue 75
Dec 9, 2016
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Test for issue 75 
This is a small test for issue #75
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Federico Vera committed Dec 9, 2016
commit 001c2891f7a7df2857ad4d7b8c58d4e6c6b27ad6
6 changes: 6 additions & 0 deletions src/test/java/net/objecthunter/exp4j/ExpressionBuilderTest.java
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Expand Up @@ -2768,4 +2768,10 @@ public void testOperatorFactorial5() throws Exception {
Expression exp = new ExpressionBuilder("(-1)!").build();
exp.evaluate();
}

@Test
public void testFactorialIssue75() {
Expression exp = new ExpressionBuilder("3!-2!").build();
assertEquals(4, exp.evaluate(), 1e-12);
}
}