From e663b606a3895b7c78ee528a94a5c6a9675683ca Mon Sep 17 00:00:00 2001
From: Vincent Semeria
Date: Sun, 10 May 2020 10:53:56 +0200
Subject: Prove that classical reals implement constructive reals. Also move
 sums, min and max to CoRN.

Update stdlib index

Remove ConstructiveSum from the index

Add changelog entry

Make constructive reals experimental
---
 .../10-standard-library/12287-zero-of-Q.rst        |  4 +++
 .../12288-constructive-experimental.rst            |  7 ++++
 doc/stdlib/index-list.html.template                | 41 ++++++++++++++++------
 3 files changed, 42 insertions(+), 10 deletions(-)
 create mode 100644 doc/changelog/10-standard-library/12287-zero-of-Q.rst
 create mode 100644 doc/changelog/10-standard-library/12288-constructive-experimental.rst

(limited to 'doc')

diff --git a/doc/changelog/10-standard-library/12287-zero-of-Q.rst b/doc/changelog/10-standard-library/12287-zero-of-Q.rst
new file mode 100644
index 0000000000..ba2c74379b
--- /dev/null
+++ b/doc/changelog/10-standard-library/12287-zero-of-Q.rst
@@ -0,0 +1,4 @@
+- **Changed:**
+  Replace `CRzero` and `CRone` by `CR_of_Q 0` and `CR_of_Q 1` in `ConstructiveReals`
+  (`#12287 <https://github.com/coq/coq/pull/12287>`_,
+  by Vincent Semeria).
diff --git a/doc/changelog/10-standard-library/12288-constructive-experimental.rst b/doc/changelog/10-standard-library/12288-constructive-experimental.rst
new file mode 100644
index 0000000000..ec9b66bd7a
--- /dev/null
+++ b/doc/changelog/10-standard-library/12288-constructive-experimental.rst
@@ -0,0 +1,7 @@
+- **Changed:**
+  Split files `ConstructiveMinMax` and `ConstructivePower`.
+
+  .. warning:: The constructive reals modules are marked as experimental.
+
+  (`#12288 <https://github.com/coq/coq/pull/12288>`_,
+  by Vincent Semeria).
diff --git a/doc/stdlib/index-list.html.template b/doc/stdlib/index-list.html.template
index 426f67eb53..1a02d6e65d 100644
--- a/doc/stdlib/index-list.html.template
+++ b/doc/stdlib/index-list.html.template
@@ -539,19 +539,16 @@ through the <tt>Require Import</tt> command.</p>
   <dt> <b>Reals</b>:
     Formalization of real numbers
   </dt>
+  <dd>
+    <dl> 
+  <dt> <b>Classical Reals</b>:
+    Real numbers with excluded middle, total order and least upper bounds
+  </dt>
   <dd>
     theories/Reals/Rdefinitions.v
-    theories/Reals/Cauchy/ConstructiveCauchyReals.v
-    theories/Reals/Cauchy/ConstructiveCauchyRealsMult.v
-    theories/Reals/Cauchy/ConstructiveCauchyAbs.v
     theories/Reals/ClassicalDedekindReals.v
+    theories/Reals/ClassicalConstructiveReals.v
     theories/Reals/Raxioms.v
-    theories/Reals/Abstract/ConstructiveReals.v
-    theories/Reals/Abstract/ConstructiveRealsMorphisms.v
-    theories/Reals/Abstract/ConstructiveLUB.v
-    theories/Reals/Abstract/ConstructiveAbs.v
-    theories/Reals/Abstract/ConstructiveLimits.v
-    theories/Reals/Abstract/ConstructiveSum.v
     theories/Reals/RIneq.v
     theories/Reals/DiscrR.v
     theories/Reals/ROrderedType.v
@@ -597,7 +594,6 @@ through the <tt>Require Import</tt> command.</p>
     theories/Reals/Ranalysis5.v
     theories/Reals/Ranalysis_reg.v
     theories/Reals/Rcomplete.v
-    theories/Reals/Cauchy/ConstructiveRcomplete.v
     theories/Reals/RiemannInt.v
     theories/Reals/RiemannInt_SF.v
     theories/Reals/Rpow_def.v
@@ -617,6 +613,31 @@ through the <tt>Require Import</tt> command.</p>
     (theories/Reals/Reals.v)
     theories/Reals/Runcountable.v
   </dd>
+  <dt> <b>Abstract Constructive Reals</b>:
+    Interface of constructive reals, proof of equivalence of all implementations. EXPERIMENTAL 
+  </dt>
+  <dd>
+    theories/Reals/Abstract/ConstructiveReals.v
+    theories/Reals/Abstract/ConstructiveRealsMorphisms.v
+    theories/Reals/Abstract/ConstructiveLUB.v
+    theories/Reals/Abstract/ConstructiveAbs.v
+    theories/Reals/Abstract/ConstructiveLimits.v
+    theories/Reals/Abstract/ConstructiveMinMax.v
+    theories/Reals/Abstract/ConstructivePower.v
+    theories/Reals/Abstract/ConstructiveSum.v 
+  </dd>
+  <dt> <b>Constructive Cauchy Reals</b>:
+    Cauchy sequences of rational numbers, implementation of the interface. EXPERIMENTAL
+  </dt>
+  <dd>
+    theories/Reals/Cauchy/ConstructiveRcomplete.v
+    theories/Reals/Cauchy/ConstructiveCauchyReals.v
+    theories/Reals/Cauchy/ConstructiveCauchyRealsMult.v
+    theories/Reals/Cauchy/ConstructiveCauchyAbs.v
+  </dd>
+
+  </dl>
+  </dd>
 
   <dt> <b>Program</b>:
     Support for dependently-typed programming
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