Karsten Loesing created MATH-1175:
-------------------------------------

             Summary: Laplace's inverse cumulative probability of 0 is not 0, 
but -Inf
                 Key: MATH-1175
                 URL: https://issues.apache.org/jira/browse/MATH-1175
             Project: Commons Math
          Issue Type: Bug
            Reporter: Karsten Loesing
            Priority: Minor


>From reading the code, the following line should be changed from `return 0.0;` 
>to `return Double.NEGATIVE_INFINITY`: 
>https://git-wip-us.apache.org/repos/asf?p=commons-math.git;a=blob;f=src/main/java/org/apache/commons/math3/distribution/LaplaceDistribution.java;h=f8b9355867b6e580323de6862fd303744cb1b2e2;hb=HEAD#l110



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