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From bugzi...@apache.org
Subject [Bug 61064] New: Update CEILING to match later versions of Excel
Date Wed, 03 May 2017 13:54:43 GMT

            Bug ID: 61064
           Summary: Update CEILING to match later versions of Excel
           Product: POI
           Version: 3.16-FINAL
          Hardware: PC
            Status: NEW
          Severity: normal
          Priority: P2
         Component: SS Common
          Assignee: dev@poi.apache.org
          Reporter: vertexshader256@gmail.com
  Target Milestone: ---

The CEILING function in MathX needs to allow a negative number argument and a
positive significance.

= CEILING(-11.12333, 0.03499)
= -11.09183

Test within testCeiling() which should be failing:
d = -11.12333; s = 0.03499;
assertEquals("ceiling ", Double.NaN, MathX.ceiling(d, s));

The logic within ceiling() should be changed to:
if (n>0 && s<0) {
    c = Double.NaN;

More info:

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