Revamping the numeric classes

[Marcin 'Qrczak' Kowalczyk]

Thu, 08 Feb 2001 11:24:49 +0000, Jerzy Karczmarczuk <karczma@info.unicaen.fr> pisze:

> The implicit coercion of numeric constants: 3.14 -=->>  (fromDouble
> 3.14) etc. is sick.

What do you propose instead?

(BTW, it's fromRational, to keep arbitrarily large precision.)

> Now, signum and abs seem to be quite distincts beasts. Signum seem
> to require Ord (and a generic zero...).

Signum doesn't require Ord.
    signum z = z / abs z
for complex numbers.

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