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angle units

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serso
2011-11-20 22:53:35 +04:00
parent f57dc45ee1
commit 455236a6a3
4 changed files with 62 additions and 27 deletions
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62
src/test/java/org/solovyev/android/calculator/model/CalculatorEngineTest.java
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@@ -5,6 +5,7 @@
package org.solovyev.android.calculator.model;
import jscl.AngleUnits;
import jscl.math.Expression;
import org.junit.Assert;
import org.junit.BeforeClass;
@@ -84,16 +85,27 @@ public class CalculatorEngineTest {
Assert.assertEquals("1", cm.evaluate(JsclOperation.simplify, "eq( 1, 1)").getResult());
Assert.assertEquals("1", cm.evaluate(JsclOperation.numeric, "lg(10)").getResult());
Assert.assertEquals("4", cm.evaluate(JsclOperation.numeric, "2+2").getResult());
Assert.assertEquals("-0.757", cm.evaluate(JsclOperation.numeric, "sin(4)").getResult());
Assert.assertEquals("0.524", cm.evaluate(JsclOperation.numeric, "asin(0.5)").getResult());
Assert.assertEquals("-0.396", cm.evaluate(JsclOperation.numeric, "sin(4)asin(0.5)").getResult());
Assert.assertEquals("-0.56", cm.evaluate(JsclOperation.numeric, "sin(4)asin(0.5)√(2)").getResult());
Assert.assertEquals("-0.56", cm.evaluate(JsclOperation.numeric, "sin(4)asin(0.5)√(2)").getResult());
final AngleUnits defaultAngleUnits = cm.getEngine().getDefaultAngleUnits();
try {
cm.getEngine().setDefaultAngleUnits(AngleUnits.rad);
Assert.assertEquals("-0.757", cm.evaluate(JsclOperation.numeric, "sin(4)").getResult());
Assert.assertEquals("0.524", cm.evaluate(JsclOperation.numeric, "asin(0.5)").getResult());
Assert.assertEquals("-0.396", cm.evaluate(JsclOperation.numeric, "sin(4)asin(0.5)").getResult());
Assert.assertEquals("-0.56", cm.evaluate(JsclOperation.numeric, "sin(4)asin(0.5)√(2)").getResult());
Assert.assertEquals("-0.56", cm.evaluate(JsclOperation.numeric, "sin(4)asin(0.5)√(2)").getResult());
} finally {
cm.getEngine().setDefaultAngleUnits(defaultAngleUnits);
}
Assert.assertEquals("7.389", cm.evaluate(JsclOperation.numeric, "e^2").getResult());
Assert.assertEquals("7.389", cm.evaluate(JsclOperation.numeric, "exp(1)^2").getResult());
Assert.assertEquals("7.389", cm.evaluate(JsclOperation.numeric, "exp(2)").getResult());
Assert.assertEquals("2+i", cm.evaluate(JsclOperation.numeric, "2*1+√(-1)").getResult());
Assert.assertEquals("0.921+3.142i", cm.evaluate(JsclOperation.numeric, "ln(5cosh(38π√(2cos(2))))").getResult());
try {
cm.getEngine().setDefaultAngleUnits(AngleUnits.rad);
Assert.assertEquals("0.921+3.142i", cm.evaluate(JsclOperation.numeric, "ln(5cosh(38π√(2cos(2))))").getResult());
} finally {
cm.getEngine().setDefaultAngleUnits(defaultAngleUnits);
}
Assert.assertEquals("7.389i", cm.evaluate(JsclOperation.numeric, "iexp(2)").getResult());
Assert.assertEquals("2+7.389i", cm.evaluate(JsclOperation.numeric, "2+iexp(2)").getResult());
Assert.assertEquals("2+7.389i", cm.evaluate(JsclOperation.numeric, "2+√(-1)exp(2)").getResult());
@@ -296,24 +308,30 @@ public class CalculatorEngineTest {
public void testDegrees() throws Exception {
final CalculatorEngine cm = CalculatorEngine.instance;
cm.setPrecision(3);
final AngleUnits defaultAngleUnits = cm.getEngine().getDefaultAngleUnits();
try {
Assert.assertEquals("0.017", cm.evaluate(JsclOperation.numeric, "°"));
fail();
} catch (ParseException e) {
cm.getEngine().setDefaultAngleUnits(AngleUnits.rad);
cm.setPrecision(3);
try {
Assert.assertEquals("0.017", cm.evaluate(JsclOperation.numeric, "°"));
fail();
} catch (ParseException e) {
}
Assert.assertEquals("0.017", cm.evaluate(JsclOperation.numeric, "1°").getResult());
Assert.assertEquals("0.349", cm.evaluate(JsclOperation.numeric, "20.0°").getResult());
Assert.assertEquals("0.5", cm.evaluate(JsclOperation.numeric, "sin(30°)").getResult());
Assert.assertEquals("0.524", cm.evaluate(JsclOperation.numeric, "asin(sin(30°))").getResult());
try {
Assert.assertEquals("∂(cos(t), t, t,1°)", cm.evaluate(JsclOperation.numeric, "∂(cos(t),t,t,1°)").getResult());
fail();
} catch (ParseException e) {
}
Assert.assertEquals("∂(cos(t), t, t,1°)", cm.evaluate(JsclOperation.simplify, "∂(cos(t),t,t,1°)").getResult());
} finally {
cm.getEngine().setDefaultAngleUnits(defaultAngleUnits);
}
Assert.assertEquals("0.017", cm.evaluate(JsclOperation.numeric, "1°").getResult());
Assert.assertEquals("0.349", cm.evaluate(JsclOperation.numeric, "20.0°").getResult());
Assert.assertEquals("0.5", cm.evaluate(JsclOperation.numeric, "sin(30°)").getResult());
Assert.assertEquals("0.524", cm.evaluate(JsclOperation.numeric, "asin(sin(30°))").getResult());
try {
Assert.assertEquals("∂(cos(t), t, t,1°)", cm.evaluate(JsclOperation.numeric, "∂(cos(t),t,t,1°)").getResult());
fail();
} catch (ParseException e) {
}
Assert.assertEquals("∂(cos(t), t, t,1°)", cm.evaluate(JsclOperation.simplify, "∂(cos(t),t,t,1°)").getResult());
}
}