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Date: Fri, 28 Mar 2008 16:54:24 -0700 (PDT)
From: "Eric Lemings (JIRA)" <jira@apache.org>
To: issues@stdcxx.apache.org
Subject: [jira] Issue Comment Edited: (STDCXX-708) [HP aCC 6.15/HP-UX/IPF]
 18.numeric.special.float fails assertions
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    [ https://issues.apache.org/jira/browse/STDCXX-708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12583242#action_12583242 ] 

elemings edited comment on STDCXX-708 at 3/28/08 4:53 PM:
--------------------------------------------------------------

I think the expected values (such as the following conditional compilation directive) need to be updated for this platform:

file stdcxx/trunk/tests/support/18.numeric.special.float.cpp:
{code}
   373  _RWSTD_SPECIALIZED_CLASS
   374  struct limits_values<float>
   375  {
...
   452      static std::float_denorm_style has_denorm () {
   453
   454  #if defined (_AIX)
   455          return std::denorm_present;
   456  #elif defined (__hpux)
   457          return std::denorm_indeterminate;
   458  #elif defined (__osf__)
   459          return std::denorm_present;
   460  #else
   461          return std::denorm_indeterminate;
   462  #endif
   463      }
{code}

According to the INFINITY.cpp config test, `std::numeric_limits<float>::has_denorm' should have the value `denorm_present' on this platform.


      was (Author: elemings):
    I think the expected values (such as the following conditional compilation directive) need to be updated for this platform:

file stdcxx/trunk/tests/support/18.numeric.special.float.cpp:
   373  _RWSTD_SPECIALIZED_CLASS
   374  struct limits_values<float>
   375  {
...
   452      static std::float_denorm_style has_denorm () {
   453
   454  #if defined (_AIX)
   455          return std::denorm_present;
   456  #elif defined (__hpux)
   457          return std::denorm_indeterminate;
   458  #elif defined (__osf__)
   459          return std::denorm_present;
   460  #else
   461          return std::denorm_indeterminate;
   462  #endif
   463      }

According to the INFINITY.cpp config test, `std::numeric_limits<float>::has_denorm' should have the value `denorm_present' on this platform.

  
> [HP aCC 6.15/HP-UX/IPF] 18.numeric.special.float fails assertions
> -----------------------------------------------------------------
>
>                 Key: STDCXX-708
>                 URL: https://issues.apache.org/jira/browse/STDCXX-708
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: trunk
>         Environment: {noformat}
> $ uname -srm && aCC -V
> HP-UX B.11.31 ia64
> aCC: HP C/aC++ B3910B A.06.15 [May 16 2007]
> {noformat}
>            Reporter: Martin Sebor
>            Assignee: Eric Lemings
>             Fix For: 4.2.1
>
>   Original Estimate: 4h
>          Time Spent: 2h
>  Remaining Estimate: 2h
>
> When compiled with HP aCC 6 on HP-UX running on IPF hardware the newly added test [18.numeric.special.float.cpp|http://svn.apache.org/viewvc/stdcxx/trunk/tests/support/18.numeric.special.float.cpp] fails a bunch of assertions.
> One of them look like a configuration problem in the library (has_denorm) while others (min(), max(), and epsilon()) like problems in the test
> {noformat}
> $ nice gmake 18.numeric.special.float -r && ./18.numeric.special.float
> aCC -c  -D_RWSTDDEBUG   -mt -I/amd/devco/sebor/stdcxx/include \
> -I/build/sebor/stdcxx-aCC-6.15-15D/include -I/amd/devco/sebor/stdcxx/tests/include  \
> -AA  -g +d  +DD64 +w +W392 +W655 +W684 +W818 +W819 +W849 +W2193 +W2236 +W2261 \
> +W2340 +W2401 +W2487 +W4227 +W4229 +W4231 +W4235 +W4237 +W4249 +W4255 +W4272 \
> +W4284 +W4285 +W4286   /amd/devco/sebor/stdcxx/tests/support/18.numeric.special.float.cpp
> "/amd/devco/sebor/stdcxx/include/limits", line 449: warning #4070-D: floating
>           point underflow exception
>       _RWSTD_STATIC_FUN (long double, (min), _RWSTD_LDBL_MIN) 
>       ^
> aCC 18.numeric.special.float.o -o 18.numeric.special.float \
> -L/build/sebor/stdcxx-aCC-6.15-15D/rwtest -lrwtest15D -AA +nostl -Wl,+s   -mt +DD64 \
> -L/build/sebor/stdcxx-aCC-6.15-15D/lib  \
> -Wl,+b/build/sebor/stdcxx-aCC-6.15-15D/lib:/build/sebor/stdcxx-aCC-6.15-15D/rwtest \
> -lstd15D  -lm 
> rm 18.numeric.special.float.o
> # INFO (S1) (10 lines):
> # TEXT: 
> # COMPILER: HP aCC, __HP_aCC = 61500, __EDG_VERSION__ = 308
> # ENVIRONMENT: ia64 running hp-ux
> # FILE: 18.numeric.special.float.cpp
> # COMPILED: Jan 24 2008, 17:28:57
> # COMMENT: floating specializations
> ############################################################
> # CLAUSE: numeric.special
> # ASSERTION (S7) (4 lines):
> # TEXT: numeric_limits<float>::has_denorm == -1, got 1
> # CLAUSE: numeric.special
> # LINE: 1366
> # ASSERTION (S7) (4 lines):
> # TEXT: numeric_limits<double>::has_denorm == -1, got 1
> # CLAUSE: numeric.special
> # LINE: 1366
> # ASSERTION (S7) (4 lines):
> # TEXT: numeric_limits<long double>::min() == 3.3621e-4932, got 3.3621e-4932
> # CLAUSE: numeric.special
> # LINE: 1253
> # ASSERTION (S7) (4 lines):
> # TEXT: numeric_limits<long double>::max() == 1.18973e+4932, got 1.18973e+4932
> # CLAUSE: numeric.special
> # LINE: 1254
> # ASSERTION (S7) (4 lines):
> # TEXT: numeric_limits<long double>::epsilon() == 1.92593e-34, got 1.0842e-19
> # CLAUSE: numeric.special
> # LINE: 1262
> # ASSERTION (S7) (4 lines):
> # TEXT: numeric_limits<long double>::has_denorm == -1, got 1
> # CLAUSE: numeric.special
> # LINE: 1366
> # +-----------------------+----------+----------+----------+
> # | DIAGNOSTIC            |  ACTIVE  |   TOTAL  | INACTIVE |
> # +-----------------------+----------+----------+----------+
> # | (S1) INFO             |        1 |        1 |       0% |
> # | (S5) WARNING          |        0 |        3 |     100% |
> # | (S7) ASSERTION        |        6 |      134 |      95% |
> # +-----------------------+----------+----------+----------+
> {noformat}

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