HUGE is missing in math.h
Mon Jun 27 21:25:00 GMT 2005
Corinna Vinschen wrote:
> On Jun 26 09:37, Humberto Bortolossi wrote:
>>I'm trying to port a C program written originally in
>>Linux to the Microsoft Windows plataform.
>>I've realized that math.h under cygwin doesn't
>>define the macro HUGE, that is defined in
>>the math.h under linux:
>>/* Declarations for math functions.
>> Copyright (C) 1991-1993,1995-1999,2001,2002 Free Software Foundation, Inc.
>> This file is part of the GNU C Library.
>>/* SVID mode specifies returning this large value instead of infinity. */
>># define HUGE 3.40282347e+38F
>>I thought math.h should be quite portable ...
> HUGE is not portable. It's not defined in the standard, see
> Use HUGE_VAL instead.
> However, other definitions are missing in math.h, like HUGE_VALF,
> HUGE_VALL, INFINITY and NAN.
I'll take a look at adding these unless you want to. HUGE_VALL is the
only one that is difficult.
> Since math.h is part of newlib, I've redirect this posting to the
> newlib mailing list.
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