Mail Archives: djgpp-workers/2003/11/09/11:33:54
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In a message dated 11/9/2003 5:10:17 AM Eastern Standard Time,
rich AT phekda DOT freeserve DOT co DOT uk writes:
> Thereafter, it cannot be
> >reset; any attempt to do so at runtime either by resetting the global
> >variable or by calling set_math_errhandling() again will fail.
>
> It won't fail. The change will just be ignored. E.g.:
>
> some_maths_function();
> math_errhandling = MATH_ERRNO;
>
That doesn't change the permanent setting of math_errhandling, maintained in
errhndlr.o. Indeed, the next call to any math function that uses one of the
functions in errhndlr.o will cause the contents of math_errhandling to be
replaced by its original value.
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<HTML><FONT FACE=3Darial,helvetica><FONT SIZE=3D3 FAMILY=3D"SERIF" FACE=3D"=
Georgia" LANG=3D"0">In a message dated 11/9/2003 5:10:17 AM Eastern Standard=
Time, rich AT phekda DOT freeserve DOT co DOT uk writes:<BR>
<BR>
<BLOCKQUOTE TYPE=3DCITE style=3D"BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT=
: 5px; MARGIN-RIGHT: 0px; PADDING-LEFT: 5px"></FONT><FONT COLOR=3D"#000000"=
style=3D"BACKGROUND-COLOR: #ffffff" SIZE=3D2 FAMILY=3D"SANSSERIF" FACE=3D"A=
rial" LANG=3D"0">Thereafter, it cannot be<BR>
>reset; any attempt to do so at runtime either by resetting the global<BR=
>
>variable or by calling set_math_errhandling() again will fail. <BR=
>
<BR>
It won't fail. The change will just be ignored. E.g.:<BR>
<BR>
some_maths_function();<BR>
math_errhandling =3D MATH_ERRNO;<BR>
</BLOCKQUOTE><BR>
</FONT><FONT COLOR=3D"#000000" style=3D"BACKGROUND-COLOR: #ffffff" SIZE=3D3=
FAMILY=3D"SERIF" FACE=3D"Georgia" LANG=3D"0"><BR>
That doesn't change the permanent setting of math_errhandling, maintained in=
errhndlr.o. Indeed, the next call to any math function that uses one=20=
of the functions in errhndlr.o will cause the contents of math_errhandling t=
o be replaced by its original value.</FONT></HTML>
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