From ed399336b886a062e0e3070314c117d62d9a8af3 Mon Sep 17 00:00:00 2001
From: Pierre Roux
Date: Wed, 18 Mar 2020 21:33:34 +0100
Subject: Print a warning when parsing non floating-point values.

For instance, parsing 0.1 will print a warning whereas parsing 0.5 won't.
---
 doc/sphinx/language/coq-library.rst | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'doc/sphinx')

diff --git a/doc/sphinx/language/coq-library.rst b/doc/sphinx/language/coq-library.rst
index 39f2ccec29..acdd4408ed 100644
--- a/doc/sphinx/language/coq-library.rst
+++ b/doc/sphinx/language/coq-library.rst
@@ -1062,6 +1062,11 @@ Floating-point constants are parsed and pretty-printed as (17-digit)
 decimal constants. This ensures that the composition
 :math:`\text{parse} \circ \text{print}` amounts to the identity.
 
+.. warn:: The constant @numeral is not a binary64 floating-point value.  A closest value will be used and unambiguously printed @numeral. [inexact-float,parsing]
+
+   Not all decimal constants are floating-point values. This warning
+   is generated when parsing such a constant (for instance ``0.1``).
+
 .. example::
 
   .. coqtop:: all
-- 
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