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MATH-657

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Reverting to previous behaviour, as requested by P. Steitz.


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1164917 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Gilles Sadowski 2011-09-03 19:22:42 +00:00
parent 32b0f7336b
commit 97b440fc8e
2 changed files with 7 additions and 7 deletions
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6
src/main/java/org/apache/commons/math/complex/Complex.java
View File

@ -256,7 +256,8 @@ public class Complex implements FieldElement<Complex>, Serializable {
}
if (divisor.isZero) {
return isZero ? NaN : INF;
// return isZero ? NaN : INF; // See MATH-657
return NaN;
}
if (divisor.isInfinite() && !isInfinite()) {
@ -292,7 +293,8 @@ public class Complex implements FieldElement<Complex>, Serializable {
return NaN;
}
if (divisor == 0d) {
return isZero ? NaN : INF;
// return isZero ? NaN : INF; // See MATH-657
return NaN;
}
if (Double.isInfinite(divisor)) {
return !isInfinite() ? ZERO : NaN;

8
src/test/java/org/apache/commons/math/complex/ComplexTest.java
View File

@ -229,7 +229,8 @@ public class ComplexTest {
public void testDivideZero() {
Complex x = new Complex(3.0, 4.0);
Complex z = x.divide(Complex.ZERO);
Assert.assertEquals(z, Complex.INF);
// Assert.assertEquals(z, Complex.INF); // See MATH-657
Assert.assertEquals(z, Complex.NaN);
}
@Test
@ -573,10 +574,7 @@ public class ComplexTest {
@Test
public void testAtanI() {
for (int i = -10; i < 10; i++) {
System.out.println(new Complex(0, 1 - 0.1 * i).atan());
}
Assert.assertTrue(Complex.I.atan().isInfinite());
Assert.assertTrue(Complex.I.atan().isNaN());
}
@Test