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Factorials look nicer as whole numbers 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1167664 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Sebastian Bazley 2011-09-11 01:50:36 +00:00
parent 3ee9c4a7d8
commit 9da9da1eb7
1 changed files with 20 additions and 20 deletions
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40
src/main/java/org/apache/commons/math/util/FastMath.java
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@ -5215,26 +5215,26 @@ public class FastMath {
/** Factorial table, for Taylor series expansions. 0!, 1!, 2!, ... 19! */
private static final double FACT[] = new double[]
{
+1.0d,
+1.0d,
+2.0d,
+6.0d,
+24.0d,
+120.0d,
+720.0d,
+5040.0d,
+40320.0d,
+362880.0d,
+3628800.0d,
+3.99168E7d,
+4.790016E8d,
+6.2270208E9d,
+8.71782912E10d,
+1.307674368E12d,
+2.0922789888E13d,
+3.55687428096E14d,
+6.402373705728E15d,
+1.21645100408832E17d,
+1.0d, // 0
+1.0d, // 1
+2.0d, // 2
+6.0d, // 3
+24.0d, // 4
+120.0d, // 5
+720.0d, // 6
+5040.0d, // 7
+40320.0d, // 8
+362880.0d, // 9
+3628800.0d, // 10
+39916800.0d, // 11
+479001600.0d, // 12
+6227020800.0d, // 13
+87178291200.0d, // 14
+1307674368000.0d, // 15
+20922789888000.0d, // 16
+355687428096000.0d, // 17
+6402373705728000.0d, // 18
+121645100408832000.0d, // 19
};
private static final int LN_MANT_LEN = 1024; // MAGIC NUMBER