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digitalmars.D.bugs - complex float > compare to .max causing 'abnormal program termination' - 'constfold.c' line 575

reply David L. Davis <SpottedTiger yahoo.com> writes:





























* All of the complex float (cfloat, cdouble, and creal) constants 
compares of .min > .max fail. (ex: cfloat.min > cfloat.max)

Output 1:
---------
C:\dmd>dmd constfold_error.d
Assertion failure: '0' on line 575 in file 'constfold.c'

abnormal program termination

C:\dmd>
------------------

* All of the complex float (cfloat, cdouble, and creal) .max constants 
when compared against a complex float variable set to .min of that datatype, 
return that .min is '>' .max. (ex: cf=cfloat.min; cf > cfloat.max)

Output 2: How can cfloat.min be > cfloat.max; 
---------
C:\dmd>dmd constfold_error.d
C:\dmd\bin\..\..\dm\bin\link.exe constfold_error,,,user32+kernel32/noi;

C:\dmd>constfold_error
overflow 1.17549e-38+1.17549e-38i > 3.40282e+38+3.40282e+38i

C:\dmd>

David L.

-------------------------------------------------------------------
"Dare to reach for the Stars...Dare to Dream, Build, and Achieve!"
-------------------------------------------------------------------

MKoD: http://spottedtiger.tripod.com/D_Language/D_Main_XP.html
Apr 23 2005
next sibling parent Thomas Kuehne <thomas-dloop kuehne.thisisspam.cn> writes:
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David L  Davis schrieb am Sat, 23 Apr 2005 12:18:31 +0000 (UTC):






























 * All of the complex float (cfloat, cdouble, and creal) constants 
 compares of .min > .max fail. (ex: cfloat.min > cfloat.max)

 Output 1:
 ---------
 C:\dmd>dmd constfold_error.d
 Assertion failure: '0' on line 575 in file 'constfold.c'

 abnormal program termination

 C:\dmd>
 ------------------

 * All of the complex float (cfloat, cdouble, and creal) .max constants 
 when compared against a complex float variable set to .min of that datatype, 
 return that .min is '>' .max. (ex: cf=cfloat.min; cf > cfloat.max)

 Output 2: How can cfloat.min be > cfloat.max; 
 ---------
 C:\dmd>dmd constfold_error.d
 C:\dmd\bin\..\..\dm\bin\link.exe constfold_error,,,user32+kernel32/noi;

 C:\dmd>constfold_error
 overflow 1.17549e-38+1.17549e-38i > 3.40282e+38+3.40282e+38i


Added to DStress as
http://dstress.kuehne.cn/run/bug_constfold_575_A.d
http://dstress.kuehne.cn/run/bug_constfold_575_B.d
http://dstress.kuehne.cn/run/bug_constfold_575_C.d
http://dstress.kuehne.cn/run/bug_constfold_575_D.d
http://dstress.kuehne.cn/run/bug_constfold_575_E.d
http://dstress.kuehne.cn/run/bug_constfold_575_F.d
http://dstress.kuehne.cn/run/bug_constfold_575_G.d
http://dstress.kuehne.cn/run/bug_constfold_575_H.d
http://dstress.kuehne.cn/run/bug_constfold_575_I.d
http://dstress.kuehne.cn/run/bug_constfold_575_J.d
http://dstress.kuehne.cn/run/bug_constfold_575_K.d
http://dstress.kuehne.cn/run/bug_constfold_575_L.d
http://dstress.kuehne.cn/run/bug_constfold_575_M.d
http://dstress.kuehne.cn/run/bug_constfold_575_N.d
http://dstress.kuehne.cn/run/bug_constfold_575_O.d
http://dstress.kuehne.cn/run/bug_constfold_575_P.d
http://dstress.kuehne.cn/run/bug_constfold_575_Q.d
http://dstress.kuehne.cn/run/bug_constfold_575_R.d

Thomas


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Apr 24 2005
prev sibling parent reply "Walter" <newshound digitalmars.com> writes:
The trouble is that <, <=, >, >= comparisons are not defined for complex
operands. I've fixed the compiler to now issue the appropriate error
message.
May 03 2005
parent reply David L. Davis <SpottedTiger yahoo.com> writes:
In article <d58tbl$da5$1 digitaldaemon.com>, Walter says...

The trouble is that <, <=, >, >= comparisons are not defined for complex
operands. I've fixed the compiler to now issue the appropriate error
message.


Walter, thanks for checking into this! :)

By complex operands, you must mean just the cfloat, cdouble, and creal...right?

David L.

-------------------------------------------------------------------
"Dare to reach for the Stars...Dare to Dream, Build, and Achieve!"
-------------------------------------------------------------------

MKoD: http://spottedtiger.tripod.com/D_Language/D_Main_XP.html
May 04 2005
parent "Walter" <newshound digitalmars.com> writes:
"David L. Davis" <SpottedTiger yahoo.com> wrote in message
news:d5ath8$2bkk$1 digitaldaemon.com...

 In article <d58tbl$da5$1 digitaldaemon.com>, Walter says...

The trouble is that <, <=, >, >= comparisons are not defined for complex
operands. I've fixed the compiler to now issue the appropriate error
message.


 Walter, thanks for checking into this! :)

 By complex operands, you must mean just the cfloat, cdouble, and


creal...right?

Right.
May 08 2005