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support for symbolic computations

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serso
2011-10-19 00:40:01 +04:00
parent 0453519913
commit ea7b249ed2
22 changed files with 373 additions and 73 deletions
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28
src/test/java/org/solovyev/android/calculator/jscl/FromJsclNumericTextProcessorTest.java Normal file
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@@ -0,0 +1,28 @@
/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator.jscl;
import org.junit.Assert;
import org.junit.Test;
/**
* User: serso
* Date: 10/18/11
* Time: 10:42 PM
*/
public class FromJsclNumericTextProcessorTest {
@Test
public void testCreateResultForComplexNumber() throws Exception {
final FromJsclNumericTextProcessor cm = new FromJsclNumericTextProcessor();
Assert.assertEquals("1.22133+23123.0i", cm.createResultForComplexNumber("1.22133232+23123*i"));
Assert.assertEquals("1.22133+1.2i", cm.createResultForComplexNumber("1.22133232+1.2*i"));
Assert.assertEquals("1.22i", cm.createResultForComplexNumber("1.22*i"));
Assert.assertEquals("i", cm.createResultForComplexNumber("i"));
}
}

17
src/test/java/org/solovyev/android/calculator/model/CalculatorEngineTest.java
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@@ -10,7 +10,7 @@ import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.simpleframework.xml.Attribute;
import org.solovyev.android.calculator.JsclOperation;
import org.solovyev.android.calculator.jscl.JsclOperation;
/**
* User: serso
@@ -81,17 +81,12 @@ public class CalculatorEngineTest {
CalculatorEngine.instance.getVarsRegister().addVar(null, new Var.Builder("k", 3.5d));
CalculatorEngine.instance.getVarsRegister().addVar(null, new Var.Builder("k1", 4d));
Assert.assertEquals("4.0", cm.evaluate(JsclOperation.numeric, "k11"));
}
@Test
public void testComplexNumbers() throws Exception {
final FromJsclTextProcessor cm = new FromJsclTextProcessor();
Assert.assertEquals("1.22133+23123.0i", cm.createResultForComplexNumber("1.22133232+23123*i"));
Assert.assertEquals("1.22133+1.2i", cm.createResultForComplexNumber("1.22133232+1.2*i"));
Assert.assertEquals("1.22i", cm.createResultForComplexNumber("1.22*i"));
Assert.assertEquals("i", cm.createResultForComplexNumber("i"));
CalculatorEngine.instance.getVarsRegister().addVar(null, new Var.Builder("t", (String)null));
Assert.assertEquals("11*t", cm.evaluate(JsclOperation.numeric, "t11"));
Assert.assertEquals("11*2.718281828459045*t", cm.evaluate(JsclOperation.numeric, "t11e"));
Assert.assertEquals("11*Infinity*t", cm.evaluate(JsclOperation.numeric, "t11∞"));
Assert.assertEquals("-t+t^3", cm.evaluate(JsclOperation.numeric, "t(t-1)(t+1)"));
}
public interface TestInterface {