Pirama Arumuga Nainar 4a39e80809 Fix incorrect truncation at the overflow boundary ... Summary: This patch fixes incorrect truncation when the input wider value is exactly 2^dstBits. For that value, the overflow to infinity is not correctly handled. The fix is to replace a strict '>' with '>='. Currently, __truncdfsf2(340282366900000000000000000000000000000.0) returns infinity __truncdfsf2(340282366920938463463374607431768211456.0) returns 0 __truncdfsf2(400000000000000000000000000000000000000.0) returns infinity Likewise, __truncdfhf2 and __truncsfhf2 (and consequently gnu_f2h_ieee) are discontinuous at 65536.0. This patch adds tests for all three cases, along with adding a missing header include to fp_test.h. Reviewers: joerg, ab, srhines Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D10594 llvm-svn: 240450		2015-06-23 20:24:53 +00:00
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Unit	Fix incorrect truncation at the overflow boundary	2015-06-23 20:24:53 +00:00
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