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Work around buggy ceil() function on AIX

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AIX has a buggy ceil() function that does not handle negative-zero
correctly.

Closes #79.
This commit is contained in:
Daniel Richard G 2019-08-01 15:04:16 +02:00 committed by Nick Wellnhofer
parent 6c91dd9495
commit b17e3d1c2b
1 changed files with 5 additions and 0 deletions
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5
xpath.c
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@ -9584,7 +9584,12 @@ xmlXPathCeilingFunction(xmlXPathParserContextPtr ctxt, int nargs) {
CAST_TO_NUMBER;
CHECK_TYPE(XPATH_NUMBER);
#ifdef _AIX
/* Work around buggy ceil() function on AIX */
ctxt->value->floatval = copysign(ceil(ctxt->value->floatval), ctxt->value->floatval);
#else
ctxt->value->floatval = ceil(ctxt->value->floatval);
#endif
}
/**