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Date: Mon, 18 May 2015 12:43:28 +0300
Message-ID: <CAA2C=vCyrQ_+Yq6XsRD-UO4r=j9WoGGiXoqQFrkbiEQpzX+=MA@mail.gmail.com>
Subject: Re: ANNOUNCE: DJGPP 2.05 beta 1
From: "Ozkan Sezer (sezeroz AT gmail DOT com)" <djgpp AT delorie DOT com>
To: djgpp AT delorie DOT com
Cc: DJ Delorie <dj AT delorie DOT com>
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On 5/18/15, DJ Delorie <dj AT delorie DOT com> wrote:
>
> If gcc and djgpp have differing values for DBL_MIN and DBL_MAX, one of
> them is wrong.  Do we know which one?
>

* gcc float.h: (same for gcc3.4 and gcc5.1)
#undef FLT_MAX
#undef DBL_MAX
#undef LDBL_MAX
#define FLT_MAX		__FLT_MAX__
#define DBL_MAX		__DBL_MAX__
#define LDBL_MAX	__LDBL_MAX__

* gcc builtin defines:
#define __FLT_MAX__ 3.40282347e+38F /* gcc3.4 */
#define __FLT_MAX__ 3.40282346638528859812e+38F /* gcc5.1 */
#define __DBL_MAX__ 1.7976931348623157e+308 /* gcc3.4 */
#define __DBL_MAX__ ((double)1.79769313486231570815e+308L) /* gcc5.1 */
#define __LDBL_MAX__ 1.18973149535723176502e+4932L /* gcc3.4 */
#define __LDBL_MAX__ 1.18973149535723176502e+4932L /* gcc5.1 */

* dj float.h:
extern double __dj_double_max;
#define DBL_MAX		__dj_double_max

* libc/ansif/float/float_dx.c:
double_t __dj_double_max     = { 0xffffffffU, 0xfffff, 0x7fe, 0x0 };
* libc/ansif/float/float_fx.c:
float_t __dj_float_max     = { 0x7fffff, 0xfe, 0x0 };