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Mail Archives: djgpp-workers/2004/02/14/15:16:34

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From: Kbwms AT aol DOT com
Message-ID: <c.223440a1.2d5fdc07@aol.com>
Date: Sat, 14 Feb 2004 15:16:07 EST
Subject: Re: C99 Functions Under Development and Checkout
To: djgpp-workers AT delorie DOT com
MIME-Version: 1.0
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Reply-To: djgpp-workers AT delorie DOT com 

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Attached is a listing of errors produced by the named functions in libc.a 
when run under the test functions in ../tests/cygnus.  The errors are departures 
from results dictated by C99.  Many of the errors are simply incorrect values 
of errno.

Is it worth the effort to fix these anomalies?


KB Williams

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<HTML><FONT FACE=3Darial,helvetica><HTML><FONT  SIZE=3D3 PTSIZE=3D12 FAMILY=
=3D"SERIF" FACE=3D"Georgia" LANG=3D"0">Attached is a listing of errors produ=
ced by the named functions in libc.a when run under the test functions in ..=
/tests/cygnus.&nbsp; The errors are departures from results dictated by C99.=
&nbsp; Many of the errors are simply incorrect values of errno.<BR>
<BR>
Is it worth the effort to fix these anomalies?<BR>
<BR>
<BR>
KB Williams</FONT></HTML>

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   -------------------------------------------------------------------------
   B L U N D E R S  C O M M I T T E D  B Y  F U N C T I O N S  I N  L I B C
   -------------------------------------------------------------------------
Function  | Calling    |Result            | Errno             | Floating Poi=
nt|
Name      | Parameters |Expected, Actual  | Expected, Actual  | Exceptions =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
acos      | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
acosh     | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
asin      | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
asinh     | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
atan      | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
atan2     | -Inf, -Inf | -pi*.75   NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
atan2     | -Inf, +Inf | -pi*.25   NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
atan2     | +Inf, +Inf | +pi*.25   NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
atan2     | +Inf, -Inf | +pi*.75   NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
atan2     | +1,   NaN  | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
atan2     | NaN,  +Inf | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
atan2     | +Inf, +Inf | +pi*.25   NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
atan2     | -Inf, +Inf | -pi*.25   NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
atanh     | -1.25      | NaN       NaN    |   EDOM   ERANGE   |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
atanh     | +1         | Inf       Inf    |   EDOM   ERANGE   |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
atanh     | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
cbrt      | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
ceil      | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
cos       | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
cosh      | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
exp2      | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
expm1     | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
expm1     | Inf        | Inf       Inf    |  (none)  ERANGE   |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
fabs      | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
floor     | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
fmod      | 0.0, 0.0   | NaN       0.0    |   EDOM   (none)   |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
fmod      | 1.0, 0.0   | NaN       0.0    |   EDOM   (none)   |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
fmod      | NaN, NaN   | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
frexp     | NaN, &int  | NaN       NaN    |   EDOM   (none)   |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
frexp     | Inf, &int  | NaN       NaN    |   EDOM   (none)   |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
hypot     | NaN, NaN   | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
hypot     | Inf, NaN   | Inf       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
ldexp     | Inf, (int) | Inf       Inf    |  (none)  ERANGE   |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
ldexp     | NaN, (int) | NaN       NaN    |  (none)  ERANGE   |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
log       | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
log10     | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
log1p     | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
log2      | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
modf      | -.6, &dbl  |(-.6,-0) (-.6,+0) |  (none)  (none)   |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
pow       | -0.0, -0.0 | 1.0       1.0    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
pow       | -0.0, +0.0 | 1.0       1.0    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
pow       | -0.0, -1.0 | -Inf      +Inf   |  ERANGE  (none)   |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
pow       | -1.0, +Inf | +1.0      NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
pow       | -2.0, +Inf | -Inf      NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
pow       | -1.0, -Inf | +1.0      NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
pow       | -0.0, -4.5 | +Inf      +Inf   |  ERANGE  (none)   |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
pow       | -0.0, -9.0 | -0.0      +0.0   |  (none)  (none)   |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
sin       | Inf        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
sin       | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
sinh      | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
sqrt      | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
tan       | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------|------------|------------------|-------------------|-------------=
--|
tanh      | NaN        | NaN       NaN    |  (none)   EDOM    |            =20=
  |
----------------------------------------------------------------------------=
---

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