Commit 2021-04-18 18:41 d107d825

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feat(data/complex): numerical bounds on log 2 (#7146) Upper and lower bounds on log 2. Presumably these could be made faster but I don't know the tricks - the proof of log_two_near_10 (for me) doesn't take longer than exp_one_near_20 to compile. I also strengthened the existing bounds slightly.

Estimated changes

Modified src/data/complex/exponential_bounds.lean

deleted theorem real.exp_neg_one_gt_0367879441

added theorem real.exp_neg_one_gt_d9

deleted theorem real.exp_neg_one_lt_0367879442

added theorem real.exp_neg_one_lt_d9

deleted theorem real.exp_one_gt_271828182

added theorem real.exp_one_gt_d9

deleted theorem real.exp_one_lt_271828183

added theorem real.exp_one_lt_d9

added theorem real.log_two_gt_d9

added theorem real.log_two_lt_d9

added theorem real.log_two_near_10