diff options
Diffstat (limited to 'mathcomp/algebra/matrix.v')
| -rw-r--r-- | mathcomp/algebra/matrix.v | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mathcomp/algebra/matrix.v b/mathcomp/algebra/matrix.v index 2580741..f87fb78 100644 --- a/mathcomp/algebra/matrix.v +++ b/mathcomp/algebra/matrix.v @@ -215,7 +215,7 @@ Definition mx_val A := let: Matrix g := A in g. Canonical matrix_subType := Eval hnf in [newType for mx_val]. Fact matrix_key : unit. Proof. by []. Qed. -Definition matrix_of_fun_def F := Matrix [ffun ij => F ij.1 ij.2]. +Definition matrix_of_fun_def F := Matrix [ffun ij => F ij.1 ij.2 : R]. Definition matrix_of_fun k := locked_with k matrix_of_fun_def. Canonical matrix_unlockable k := [unlockable fun matrix_of_fun k]. @@ -277,7 +277,8 @@ Notation "\row_ ( j < n ) E" := (@matrix_of_fun _ 1 n matrix_key (fun _ j => E)) Notation "\row_ j E" := (\row_(j < _) E) : ring_scope. Definition matrix_eqMixin (R : eqType) m n := - Eval hnf in [eqMixin of 'M[R]_(m, n) by <:]. + @SubEqMixin (@finfun_eqType _ (fun=> _)) _ (matrix_subType R m n). +(* Eval hnf in [eqMixin of 'M[R]_(m, n) by <:]. *) Canonical matrix_eqType (R : eqType) m n:= Eval hnf in EqType 'M[R]_(m, n) (matrix_eqMixin R m n). Definition matrix_choiceMixin (R : choiceType) m n := |