diff options
Diffstat (limited to 'flocq/Prop/Relative.v')
| -rw-r--r-- | flocq/Prop/Relative.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/flocq/Prop/Relative.v b/flocq/Prop/Relative.v index b936f2f7..5f87bd84 100644 --- a/flocq/Prop/Relative.v +++ b/flocq/Prop/Relative.v @@ -566,7 +566,7 @@ assert (H : (Rabs ((rx - x) / x) <= u_ro / (1 + u_ro))%R). now rewrite (Rabs_Rinv _ Nzx); apply Rinv_le. } apply (Rmult_le_reg_r ((ufpx + Rabs (rx - x)) * (1 + u_ro))). { apply Rmult_lt_0_compat; lra. } - field_simplify; [unfold Rdiv; rewrite Rinv_1, !Rmult_1_r| |]; lra. } + field_simplify; [try unfold Rdiv; rewrite ?Rinv_1, ?Rmult_1_r| |]; lra. } revert H; unfold Rdiv; rewrite Rabs_mult, (Rabs_Rinv _ Nzx); intro H. apply (Rmult_le_reg_r (/ Rabs x)); [now apply Rinv_0_lt_compat, Rabs_pos_lt|]. now apply (Rle_trans _ _ _ H); right; field; split; [apply Rabs_no_R0|lra]. |