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| author |  Stephane Glondu <steph@glondu.net> | 2008-08-08 13:18:42 +0200 |
|---|---|---|
| committer | Stephane Glondu <steph@glondu.net> | 2008-08-08 13:18:42 +0200 |
| commit | 870075f34dd9fa5792bfbf413afd3b96f17e76a0 (patch) | |
| tree | 0c647056de1832cf1dba5ba58758b9121418e4be /contrib/setoid_ring/newring.ml4 | |
| parent | a0cfa4f118023d35b767a999d5a2ac4b082857b4 (diff) | |
Imported Upstream version 8.2~beta4+dfsgupstream/8.2.beta4+dfsg
Diffstat (limited to 'contrib/setoid_ring/newring.ml4')
| -rw-r--r-- | contrib/setoid_ring/newring.ml4 | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/contrib/setoid_ring/newring.ml4 b/contrib/setoid_ring/newring.ml4 index dd79801d..3d022add 100644 --- a/contrib/setoid_ring/newring.ml4 +++ b/contrib/setoid_ring/newring.ml4 @@ -8,7 +8,7 @@ (*i camlp4deps: "parsing/grammar.cma" i*) -(*i $Id: newring.ml4 11094 2008-06-10 19:35:23Z herbelin $ i*) +(*i $Id: newring.ml4 11282 2008-07-28 11:51:53Z msozeau $ i*) open Pp open Util @@ -452,11 +452,14 @@ let (theory_to_obj, obj_to_theory) = let setoid_of_relation env a r = - lapp coq_mk_Setoid - [|a ; r ; - Class_tactics.reflexive_proof env a r ; - Class_tactics.symmetric_proof env a r ; - Class_tactics.transitive_proof env a r |] + try + lapp coq_mk_Setoid + [|a ; r ; + Class_tactics.reflexive_proof env a r ; + Class_tactics.symmetric_proof env a r ; + Class_tactics.transitive_proof env a r |] + with Not_found -> + error "cannot find setoid relation" let op_morph r add mul opp req m1 m2 m3 = lapp coq_mk_reqe [| r; add; mul; opp; req; m1; m2; m3 |] |