Anyone knows this issue? std/math.d(2759): Error: number '0x1p-1024' is not representable

Iain Buclaw via Digitalmars-d digitalmars-d at puremagic.com
Sat Jun 20 02:48:11 PDT 2015


On 20 Jun 2015 11:35, "Martin Nowak via Digitalmars-d" <
digitalmars-d at puremagic.com> wrote:
>
> On 06/20/2015 09:52 AM, Walter Bright wrote:
> >
> > Which C runtime are you using? The math functions in C runtimes are
> > often inadequate.
>
> So we now call the host's C library to perform constant folding/CTFE of
exp?
> This is a point for Iain's proposal to use a high precision floating
> point implementation in the compiler to avoid machine/platform
differences.

I thought dmd used the C library implementations for all intrinsics via
CTFE, not just exp?

In any case, isn't the problem you are seeing related to the conversion of
string to float? Which again dmd is at the mercy of the C library
implementation to handle correctly.
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