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Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW librarie
From: |
Dan Eble |
Subject: |
Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden) |
Date: |
Tue, 4 Feb 2020 11:08:06 -0500 |
On Feb 4, 2020, at 11:02, Jonas Hahnfeld <address@hidden> wrote:
>> That would be my impulse as well. It is not like this code appears to
>> have notable drawbacks for the unafflicted platforms.
>
> Except for very funny overflows and negative signs if the value is too
> large to fit into I64 ;-P
>
> unsigned long long a = 0xC0000000;
> signed long long b = a;
> printf("%d\n", b);
> -> -1073741824
That's already an ingredient of this recipe.
class Rational
{
...
U64 num_, den_;
...
I64 numerator () const { return sign_ * num_; }
Yum!
—
Dan
- Re: New build:, (continued)
- Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden), David Kastrup, 2020/02/04
- Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden), Masamichi Hosoda, 2020/02/04
- Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden), Phil Holmes, 2020/02/04
- Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden), Dan Eble, 2020/02/04
- Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden), David Kastrup, 2020/02/04
- Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden), Jonas Hahnfeld, 2020/02/04
- Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden), David Kastrup, 2020/02/04
- Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden), David Kastrup, 2020/02/04
- Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden),
Dan Eble <=
- Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden), Jonas Hahnfeld, 2020/02/04
Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden), ArnoldTheresius, 2020/02/03
Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden), ArnoldTheresius, 2020/02/03