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NEWS

changeset 60020 | 065ecea354d0 |

parent 60010 | 5fe58ca9cf40 |

child 60025 | d84b355f341f |

1.1 --- a/NEWS Sat Apr 11 16:19:59 2015 +0100 1.2 +++ b/NEWS Sat Apr 11 22:18:33 2015 +0100 1.3 @@ -261,6 +261,10 @@ 1.4 * Classes cancel_ab_semigroup_add / cancel_monoid_add specify explicit 1.5 additive inverse operation. INCOMPATIBILITY. 1.6 1.7 +* Complex powers and square roots. The functions "ln" and "powr" are now 1.8 + overloaded for types real and complex, and 0 powr y = 0 by definition. 1.9 + INCOMPATIBILITY: type constraints may be necessary. 1.10 + 1.11 * The functions "sin" and "cos" are now defined for any type of sort 1.12 "{real_normed_algebra_1,banach}" type, so in particular on "real" and 1.13 "complex" uniformly. Minor INCOMPATIBILITY: type constraints may be