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From Luc Maisonobe <Luc.Maison...@free.fr>
Subject Re: svn commit: r1061602 - /commons/proper/math/trunk/src/test/java/org/apache/commons/math/util/MathUtilsTest.java
Date Fri, 21 Jan 2011 08:25:34 GMT
Le 21/01/2011 03:45, sebb@apache.org a écrit :
> Author: sebb
> Date: Fri Jan 21 02:45:52 2011
> New Revision: 1061602
> 
> URL: http://svn.apache.org/viewvc?rev=1061602&view=rev
> Log:
> Fix up double nextAfter special cases; add float test

Ooops. I forgot these ones, sorry.
Thanks for fixing that, sebb.

Luc

> 
> Modified:
>     commons/proper/math/trunk/src/test/java/org/apache/commons/math/util/MathUtilsTest.java
> 
> Modified: commons/proper/math/trunk/src/test/java/org/apache/commons/math/util/MathUtilsTest.java
> URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/test/java/org/apache/commons/math/util/MathUtilsTest.java?rev=1061602&r1=1061601&r2=1061602&view=diff
> ==============================================================================
> --- commons/proper/math/trunk/src/test/java/org/apache/commons/math/util/MathUtilsTest.java
(original)
> +++ commons/proper/math/trunk/src/test/java/org/apache/commons/math/util/MathUtilsTest.java
Fri Jan 21 02:45:52 2011
> @@ -1021,16 +1021,28 @@ public final class MathUtilsTest extends
>  
>      }
>  
> -    public void testNextAfterSpecialCases() {
> -        assertTrue(Double.isInfinite(FastMath.nextAfter(Double.NEGATIVE_INFINITY, 0)));
> -        assertTrue(Double.isInfinite(FastMath.nextAfter(Double.POSITIVE_INFINITY, 0)));
> -        assertTrue(Double.isNaN(FastMath.nextAfter(Double.NaN, 0)));
> -        assertTrue(Double.isInfinite(FastMath.nextAfter(Double.MAX_VALUE, Double.POSITIVE_INFINITY)));
> -        assertTrue(Double.isInfinite(FastMath.nextAfter(-Double.MAX_VALUE, Double.NEGATIVE_INFINITY)));
> -        assertEquals(Double.MIN_VALUE, FastMath.nextAfter(0, 1), 0);
> -        assertEquals(-Double.MIN_VALUE, FastMath.nextAfter(0, -1), 0);
> -        assertEquals(0, FastMath.nextAfter(Double.MIN_VALUE, -1), 0);
> -        assertEquals(0, FastMath.nextAfter(-Double.MIN_VALUE, 1), 0);
> +    public void testDoubleNextAfterSpecialCases() {
> +        assertEquals(-Double.MAX_VALUE,FastMath.nextAfter(Double.NEGATIVE_INFINITY,
0D));
> +        assertEquals(Double.MAX_VALUE,FastMath.nextAfter(Double.POSITIVE_INFINITY, 0D));
> +        assertEquals(Double.NaN,FastMath.nextAfter(Double.NaN, 0D));
> +        assertEquals(Double.POSITIVE_INFINITY,FastMath.nextAfter(Double.MAX_VALUE, Double.POSITIVE_INFINITY));
> +        assertEquals(Double.NEGATIVE_INFINITY,FastMath.nextAfter(-Double.MAX_VALUE,
Double.NEGATIVE_INFINITY));
> +        assertEquals(Double.MIN_VALUE, FastMath.nextAfter(0D, 1D), 0D);
> +        assertEquals(-Double.MIN_VALUE, FastMath.nextAfter(0D, -1D), 0D);
> +        assertEquals(0D, FastMath.nextAfter(Double.MIN_VALUE, -1), 0D);
> +        assertEquals(0D, FastMath.nextAfter(-Double.MIN_VALUE, 1), 0D);
> +    }
> +
> +    public void testFloatNextAfterSpecialCases() {
> +        assertEquals(-Float.MAX_VALUE,FastMath.nextAfter(Float.NEGATIVE_INFINITY, 0F));
> +        assertEquals(Float.MAX_VALUE,FastMath.nextAfter(Float.POSITIVE_INFINITY, 0F));
> +        assertEquals(Float.NaN,FastMath.nextAfter(Float.NaN, 0F));
> +        assertEquals(Float.POSITIVE_INFINITY,FastMath.nextAfter(Float.MAX_VALUE, Float.POSITIVE_INFINITY));
> +        assertEquals(Float.NEGATIVE_INFINITY,FastMath.nextAfter(-Float.MAX_VALUE, Float.NEGATIVE_INFINITY));
> +        assertEquals(Float.MIN_VALUE, FastMath.nextAfter(0F, 1F), 0F);
> +        assertEquals(-Float.MIN_VALUE, FastMath.nextAfter(0F, -1F), 0F);
> +        assertEquals(0F, FastMath.nextAfter(Float.MIN_VALUE, -1F), 0F);
> +        assertEquals(0F, FastMath.nextAfter(-Float.MIN_VALUE, 1F), 0F);
>      }
>  
>      public void testScalb() {
> 
> 
> 


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