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authorGravatar xclerc <xclerc@85f007b7-540e-0410-9357-904b9bb8a0f7>2013-09-20 12:40:28 +0000
committerGravatar xclerc <xclerc@85f007b7-540e-0410-9357-904b9bb8a0f7>2013-09-20 12:40:28 +0000
commite46ce40cee2c34f47acb55d2b24bd09f00987556 (patch)
tree696da31b3041d1b7c69244ab5a48f77b87ccf79b /test-suite/bugs/closed/1779.v
parent20bb249ed0e19cc0132519e3de06fafe2ba500c3 (diff)
Get rid of "shouldsucceed" subdirectory by moving tests to parent directory.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16797 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'test-suite/bugs/closed/1779.v')
-rw-r--r--test-suite/bugs/closed/1779.v25
1 files changed, 25 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/1779.v b/test-suite/bugs/closed/1779.v
new file mode 100644
index 000000000..95bb66b96
--- /dev/null
+++ b/test-suite/bugs/closed/1779.v
@@ -0,0 +1,25 @@
+Require Import Div2.
+
+Lemma double_div2: forall n, div2 (double n) = n.
+exact (fun n => let _subcase :=
+ let _cofact := fun _ : 0 = 0 => refl_equal 0 in
+ _cofact (let _fact := refl_equal 0 in _fact) in
+ let _subcase0 :=
+ fun (m : nat) (Hrec : div2 (double m) = m) =>
+ let _fact := f_equal div2 (double_S m) in
+ let _eq := trans_eq _fact (refl_equal (S (div2 (double m)))) in
+ let _eq0 :=
+ trans_eq _eq
+ (trans_eq
+ (f_equal (fun f : nat -> nat => f (div2 (double m)))
+ (refl_equal S)) (f_equal S Hrec)) in
+ _eq0 in
+ (fix _fix (__ : nat) : div2 (double __) = __ :=
+ match __ as n return (div2 (double n) = n) with
+ | 0 => _subcase
+ | S __0 =>
+ (fun _hrec : div2 (double __0) = __0 => _subcase0 __0 _hrec)
+ (_fix __0)
+ end) n).
+Guarded.
+Defined.