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bug#37140: 27.0.50; calc gives "Wrong type argument: number-or-marker-p,

From: Richard Stallman
Subject: bug#37140: 27.0.50; calc gives "Wrong type argument: number-or-marker-p, inf" to many operations
Date: Tue, 27 Aug 2019 19:26:28 -0400

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  > I have no strong opinion on how best to detect broken infinity
  > handling, but will just note that ±Inf are useful even in
  > integer-only code as identities for `min' and `max' and similar
  > code --- in fact, more so now that there is no longer a greatest
  > integer.

I agree, but I am arguing for a stronger conclusion.  Handling
infinite floats is a feature of Emacs, so if they don't work, that is
a bug.  Compiling Emacs with -ffinite-math-only causes this bug,
so we cannot support that mode of compilation.

Dr Richard Stallman
President, Free Software Foundation (https://gnu.org, https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)

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