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Adapt to https://github.com/math-comp/math-comp/pull/1031 #80

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Jun 9, 2023
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Adapt to https://github.com/math-comp/math-comp/pull/1031 #80

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4 changes: 2 additions & 2 deletions refinements/rational.v
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Original file line number Diff line number Diff line change
Expand Up @@ -162,7 +162,7 @@ rewrite refinesE /Rrat /fun_hrel /Qint_to_rat /= /cast /cast_pos_int /=.
rewrite /pos_to_int /mul_op /mul_pos /mul_int /add_op /add_int /=.
rewrite val_insubd muln_gt0 da_gt0 db_gt0 /=.
rewrite [x]RratE [y]RratE /= addf_div ?intr_eq0 -?lt0n //.
by rewrite ?(rmorphD, rmorphM) //= PoszM intrM !natz.
by rewrite ?(rmorphD, rmorphM)/= ?PoszM ?intrM !natz.
Qed.

Instance Rrat_opp : refines (Rrat ==> Rrat) -%R -%C.
Expand All @@ -177,7 +177,7 @@ apply refines_abstr2 => x [na [da da_gt0]] rx y [nb [db db_gt0]] ry.
rewrite refinesE /Rrat /fun_hrel /Qint_to_rat /= /mul_op /mul_int /mul_pos /=.
rewrite val_insubd muln_gt0 da_gt0 db_gt0 /=.
rewrite [x]RratE [y]RratE mulrACA -invfM ?(rmorphD, rmorphM) /=.
by rewrite PoszM rmorphM /=.
by rewrite ?PoszM ?rmorphM /=.
Qed.

Instance Rrat_expnat :
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