[MATH-108] [math][patch] Update UnivariateRealSolverImpl.java

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed

Environment

Operating System: All
Platform: All

• Bugzilla Id: 36232
• Assignee: Unassigned
• Reporter: Xiaogang Zhang
• Created: 18/Aug/05 02:51
• Updated: 23/Apr/09 02:26
• Resolved: 23/Apr/09 02:26

Description

Index: UnivariateRealSolverImpl.java
===================================================================
— UnivariateRealSolverImpl.java (revision 233212)
+++ UnivariateRealSolverImpl.java (working copy)
@@ -265,7 +265,8 @@
*/
protected boolean isBracketing(double lower, double upper,
UnivariateRealFunction f) throws FunctionEvaluationException

{ - return (f.value(lower) * f.value(upper) < 0); + return ((f.value(lower) > 0 && f.value(upper) < 0) || + (f.value(lower) < 0 && f.value(upper) > 0)); }

/**