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Started by Gunther, January 28, 2021, 07:38:24 PM

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TimoVJL

long double is compiler specific, so not supported widely.
https://en.m.wikipedia.org/wiki/Long_double
May the source be with you

hutch--

If you need higher precision that the default 64 bit in Win64 via SSE2, you can still use the old x87 80 bit FP code and as MMX is now redundant being surpassed by SSE, you don't have to mess around with preserving MMX registers as they don't normally get used.

I gather there are specialised libraries for very large numbers but I don't really know much about them.

Gunther

Timo,

Quote from: TimoVJL on January 29, 2021, 03:16:45 PM
long double is compiler specific, so not supported widely.
https://en.m.wikipedia.org/wiki/Long_double

did you check the source and the running EXE in the ZIP archive LongC64.zip? If not, please make the effort. You can find it here under the first post.

Gunther 
You have to know the facts before you can distort them.

Gunther

Quote from: hutch-- on January 29, 2021, 03:22:49 PM
If you need higher precision that the default 64 bit in Win64 via SSE2, you can still use the old x87 80 bit FP code and as MMX is now redundant being surpassed by SSE, you don't have to mess around with preserving MMX registers as they don't normally get used.

I gather there are specialised libraries for very large numbers but I don't really know much about them.

Sure. We have discussed this at length over the years.

Gunther
You have to know the facts before you can distort them.

Vortex

Hi Gunther,

Nice to see you back here in the forum. Thanks, I am doing fine.

Gunther

Erol,

Quote from: Vortex on January 29, 2021, 07:47:06 PM
Nice to see you back here in the forum. Thanks, I am doing fine.

You're welcome. I feel a bit rusty, but it works.

Gunther
You have to know the facts before you can distort them.