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From "Farid Zaripov (JIRA)" <>
Subject [jira] Commented: (STDCXX-10) LDBL_MIN et al need a test
Date Wed, 02 Apr 2008 15:29:24 GMT


Farid Zaripov commented on STDCXX-10:

I'm not sure that I understand the problem in STDCXX-8.
The FLOAT.cpp config test print's LDBL_MIN macro value as #define _RWSTD_LDBL_MIN %LDBL_MIN%
(%LDBL_MIN% is the numerical value of the corresponding macro). Then in include/ansi/float.h
we #undefine LDBL_MIN and #define LDBL_MIN as _RWSTD_LDBL_MIN for EDG compiler or not redefine
LDBL_MIN for other compilers. So what the difference between LDBL_MIN and _RWSTD_LDBL_MIN?
And how _RWSTD_LDBL_MIN macro (which is copy of LDBL_MIN) caused floating point underflow
on icc 8.1?

> LDBL_MIN et al need a test
> --------------------------
>                 Key: STDCXX-10
>                 URL:
>             Project: C++ Standard Library
>          Issue Type: Sub-task
>          Components: Tests
>    Affects Versions: 4.1.2, 4.1.3, 4.1.4
>         Environment: all
>            Reporter: Martin Sebor
>            Assignee: Farid Zaripov
>            Priority: Minor
>             Fix For: 4.2.1
>   Original Estimate: 8h
>  Remaining Estimate: 8h
> A test needs to be written for STDCXX-8 (and more generally, for the rest of <float.h>
and <cfloat> macros). Here's what it might look like:

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