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authoraffeldt-aist2020-04-09 16:21:30 +0200
committerGitHub2020-04-09 16:21:30 +0200
commitdc1ea50f04fdaada16f2a27a81ec24859b4ab843 (patch)
tree66047a2e09d7111f8b5dfa7eb4de4ad7e61de2c3 /mathcomp/algebra
parentfea81ec06b1c309852c4c4062f4c5d1755c738d0 (diff)
parent691e0c20a8934343a6840f2a19735acea6e79d05 (diff)
Merge pull request #473 from affeldt-aist/long_short_suffixes
switching long suffixes to short suffixes
Diffstat (limited to 'mathcomp/algebra')
-rw-r--r--mathcomp/algebra/matrix.v2
-rw-r--r--mathcomp/algebra/mxpoly.v2
2 files changed, 2 insertions, 2 deletions
diff --git a/mathcomp/algebra/matrix.v b/mathcomp/algebra/matrix.v
index f49473f..21730c3 100644
--- a/mathcomp/algebra/matrix.v
+++ b/mathcomp/algebra/matrix.v
@@ -2395,7 +2395,7 @@ rewrite (reindex (lift_perm i0 j0)); last first.
by rewrite lift_perm_lift -si0 permE ulsfK.
rewrite /cofactor big_distrr /=.
apply: eq_big => [s | s _]; first by rewrite lift_perm_id eqxx.
-rewrite -signr_odd mulrA -signr_addb odd_add -odd_lift_perm; congr (_ * _).
+rewrite -signr_odd mulrA -signr_addb oddD -odd_lift_perm; congr (_ * _).
case: (pickP 'I_n) => [k0 _ | n0]; last first.
by rewrite !big1 // => [j /unlift_some[i] | i _]; have:= n0 i.
rewrite (reindex (lift i0)).
diff --git a/mathcomp/algebra/mxpoly.v b/mathcomp/algebra/mxpoly.v
index 4c97dfc..a8cf94b 100644
--- a/mathcomp/algebra/mxpoly.v
+++ b/mathcomp/algebra/mxpoly.v
@@ -469,7 +469,7 @@ rewrite big_ord_recr big_ord_recl/= big1 ?add0r //=; last first.
rewrite !mxE ?subnn -horner_coef0 /= hornerMXaddC.
rewrite !(eqxx, mulr0, add0r, addr0, subr0, rmorphN, opprK)/=.
rewrite mulrC /cofactor; congr (_ * 'X + _).
- rewrite /cofactor -signr_odd odd_add addbb mul1r; congr (\det _).
+ rewrite /cofactor -signr_odd oddD addbb mul1r; congr (\det _).
apply/matrixP => i j; rewrite !mxE -val_eqE coefD coefMX coefC.
by rewrite /= /bump /= !add1n !eqSS addr0.
rewrite /cofactor [X in \det X](_ : _ = D _).