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https://issues.apache.org/jira/browse/STDCXX-51?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Farid Zaripov updated STDCXX-51:
--------------------------------
Attachment: num_put.diff
The proposed patch attached.
ChangeLog:
* src/num_put.cpp (__rw_isinfnan): New function to detect inf and nan values.
(__rw_isinf): New function to detect inf values.
(__rw_isneginf): New function to detect negative inf values.
(__rw_isnan): New function to detect nan values.
(__rw_isnegnan): New function to detect negative nan values.
(__rw_isqnan): New function to detect quiet nan values.
(__rw_issnan): New function to detect signaling nan values.
(__rw_fmat_infnan): New function to format inf and nan values.
(__rw_put_num): Use __rw_isinfnan() and __rw_fmat_infnan() to format inf and
nan values.
> infinity, NaN formatted differently on different platforms
> ----------------------------------------------------------
>
> Key: STDCXX-51
> URL: https://issues.apache.org/jira/browse/STDCXX-51
> Project: C++ Standard Library
> Issue Type: Improvement
> Components: 22. Localization
> Affects Versions: 4.1.2
> Environment: all
> Reporter: Martin Sebor
> Assignee: Farid Zaripov
> Priority: Minor
> Attachments: num_put.diff
>
>
> The output of the program below is different depending on the operating
> system it runs on. It should be the same (preferably like that on AIX).
> $ cat u.cpp && uname -sr && make u -r && ./u
> #include <iostream>
> #include <limits>
> int main ()
> {
> std::cout << std::numeric_limits<double>::infinity () << '\n'
> << std::numeric_limits<double>::quiet_NaN () << '\n'
> << std::numeric_limits<double>::signaling_NaN () << '\n';
> }
> SunOS 5.9
> gcc -c -I/build/sebor/dev/stdlib/include/ansi -D_RWSTDDEBUG -pthreads
> -D_RWSTD_USE_CONFIG -I/build/sebor/gcc-3.4.3-15s/include
> -I/build/sebor/dev/stdlib/include -I/build/sebor/dev/stdlib/examples/include
> -pedantic -nostdinc++ -g -Wall -W -Wcast-qual -Winline -Wshadow
> -Wwrite-strings -Wno-long-long u.cpp
> gcc u.o -o u -pthreads -L/build/sebor/gcc-3.4.3-15s/lib -lstd15s -lsupc++ -lm
> rm u.o
> inf
> nan
> nan
> $ uname -vs && gmake u -r && ./u
> AIX 5
> xlCcore_r -c -I/build/sebor/dev/stdlib/include/ansi -D_RWSTDDEBUG
> -D_RWSTD_USE_CONFIG -I/build/sebor/vacpp-7.0.0.3-15D/include
> -I/build/sebor/dev/stdlib/include -I/build/sebor/dev/stdlib/examples/include
> -g -q64 -qtemplateregistry=u.ti u.cpp
> xlCcore_r u.o -o u -I/build/sebor/dev/stdlib/include/ansi -D_RWSTDDEBUG
> -D_RWSTD_USE_CONFIG -liconv -brtl -q64
> -I/build/sebor/dev/stdlib/include/ansi -D_RWSTDDEBUG -D_RWSTD_USE_CONFIG
> -I/build/sebor/vacpp-7.0.0.3-15D/include -I/build/sebor/dev/stdlib/include
> -I/build/sebor/dev/stdlib/examples/include -qtemplateregistry=u.ti
> -L/build/sebor/vacpp-7.0.0.3-15D/lib -lstd15D -lm
> rm u.o
> inf
> nanq
> nans
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