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added a protection against infinite loops that occur with some JVM (Sun before 1.4, JRockit, ...) 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@799849 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Luc Maisonobe 2009-08-01 12:15:19 +00:00
parent 253c7d3b94
commit f7730c09f2
1 changed files with 3 additions and 3 deletions
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6
src/test/org/apache/commons/math/ode/TestProblem3.java
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@ -104,8 +104,8 @@ public class TestProblem3
// solve Kepler's equation // solve Kepler's equation
double E = t; double E = t;
double d = 0; double d = 0;
double corr = 0; double corr = 999.0;
do { for (int i = 0; (i < 50) && (Math.abs(corr) > 1.0e-12); ++i) {
double f2 = e * Math.sin(E); double f2 = e * Math.sin(E);
double f0 = d - f2; double f0 = d - f2;
double f1 = 1 - e * Math.cos(E); double f1 = 1 - e * Math.cos(E);
@ -113,7 +113,7 @@ public class TestProblem3
corr = f0 * f12 / (f1 * f12 - f0 * f2); corr = f0 * f12 / (f1 * f12 - f0 * f2);
d -= corr; d -= corr;
E = t + d; E = t + d;
} while (Math.abs(corr) > 1.0e-12); };
double cosE = Math.cos(E); double cosE = Math.cos(E);
double sinE = Math.sin(E); double sinE = Math.sin(E);