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Check for the presence of signbit() on VMS. It currently only works
authorCraig A. Berry <craigberry@mac.com>
Sun, 11 Feb 2007 23:52:35 +0000 (23:52 +0000)
committerCraig A. Berry <craigberry@mac.com>
Sun, 11 Feb 2007 23:52:35 +0000 (23:52 +0000)
commit50ddda1da6029292d65c335f9a21ead754f187d7
treeafbc4b10b0660e0f6ab71b89b822f5fda1eebf35
parentdfffea7081542ae314496a23ccd6393030e6c2c9
Check for the presence of signbit() on VMS. It currently only works
on IEEE double, not IEEE long double or any other floating point format.
Also, begin to disentangle -Duselongdouble configuration support from
its other 64-bit brethren.

p4raw-id: //depot/perl@30217
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