Signed-off-by: Pekka Enberg <[email protected]>
---
java/lang/StrictMath.java | 72 +++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 72 insertions(+), 0 deletions(-)
diff --git a/java/lang/StrictMath.java b/java/lang/StrictMath.java
index 88f5e57..225aaa7 100644
--- a/java/lang/StrictMath.java
+++ b/java/lang/StrictMath.java
@@ -1317,6 +1317,78 @@ public final strictfp class StrictMath
}
/**
+ * <p>
+ * Returns the hypotenuse, <code>a<sup>2</sup> + b<sup>2</sup></code>,
+ * without intermediate overflow or underflow. The returned result is
+ * within 1 ulp of the exact result. If one parameter is held constant,
+ * then the result in the other parameter is semi-monotonic.
+ * </p>
+ * <p>
+ * If either of the arguments is an infinity, then the returned result
+ * is positive infinity. Otherwise, if either argument is <code>NaN</code>,
+ * then <code>NaN</code> is returned.
+ * </p>
+ *
+ * @param a the first parameter.
+ * @param b the second parameter.
+ * @return the hypotenuse matching the supplied parameters.
+ * @since 1.5
+ */
+ public static double hypot(double a, double b)
+ {
+ return VMMath.hypot(a,b);
+ }
+
+ /**
+ * <p>
+ * Returns the base 10 logarithm of the supplied value. The returned
+ * result is within 1 ulp of the exact result, and the results are
+ * semi-monotonic.
+ * </p>
+ * <p>
+ * Arguments of either <code>NaN</code> or less than zero return
+ * <code>NaN</code>. An argument of positive infinity returns positive
+ * infinity. Negative infinity is returned if either positive or negative
+ * zero is supplied. Where the argument is the result of
+ * <code>10<sup>n</sup</code>, then <code>n</code> is returned.
+ * </p>
+ *
+ * @param a the numeric argument.
+ * @return the base 10 logarithm of <code>a</code>.
+ * @since 1.5
+ */
+ public static double log10(double a)
+ {
+ return VMMath.log10(a);
+ }
+
+ /**
+ * <p>
+ * Returns the natural logarithm resulting from the sum of the argument,
+ * <code>a</code> and 1. For values close to 0, the
+ * result of <code>log1p(a)</code> tend to be much closer to the
+ * exact result than simply <code>log(1.0+a)</code>. The returned
+ * result is within 1 ulp of the exact result, and the results are
+ * semi-monotonic.
+ * </p>
+ * <p>
+ * Arguments of either <code>NaN</code> or less than -1 return
+ * <code>NaN</code>. An argument of positive infinity or zero
+ * returns the original argument. Negative infinity is returned from an
+ * argument of -1.
+ * </p>
+ *
+ * @param a the numeric argument.
+ * @return the natural logarithm of <code>a</code> + 1.
+ * @since 1.5
+ */
+ public static double log1p(double a)
+ {
+ return VMMath.log1p(a);
+ }
+
+
+ /**
* Take ln(a) (the natural log). The opposite of <code>exp()</code>. If the
* argument is NaN or negative, the result is NaN; if the argument is
* positive infinity, the result is positive infinity; and if the argument
--
1.7.4.1
