[cfp-interest 3583] Re: frexpd32(DEC32_TRUE_MIN...

Fred J. Tydeman tydeman at tybor.com
Mon Sep 1 15:21:13 PDT 2025


On Mon, 1 Sep 2025 09:55:03 -0700 Jim Thomas wrote:
>
>"coefficient" refers to the (s, c, q) representation in 5.3.5.3.4 #8. In this representation, DEC32_TRUE_MIN is (+1, 1, -101) and the length of the coefficient is 1.
>
>So the correct result for frexpd32(DEC32_TRUE_MIN, &i) is (+1, 1, -1) which is the representation for 1e-1DF (per 7.25.2.7).

That is what I decided was the correct answer.
So, the DFP library I am currently testing is wrong.


---
Fred J. Tydeman        Tydeman Consulting
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