http://llvm.org/bugs/show_bug.cgi?id=7668
Summary: raw_ostream float printing should be portable
Product: libraries
Version: trunk
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: Support Libraries
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Currently, raw_ostream::operator<<(double) uses printf under the covers with
the "%e" format. Unfortunately, this doesn't give portable output across
platforms, notable on Windows we get things like:
1.700000e+001
whereas on most Unix machines we ill get
1.700000e+01
This is annoying because we use those routines to print constants in .ll files
(and other places), and so the compiler output is not always deterministic
across machines.
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