`log_embedding` for number field elements

[guojing0]

This ticket is to add log_embedding (logarithmic embedding) functionality for number field elements, which is then used in #32686 for implementing points_of_bounded_height.

CC: @bhutz @EnderWannabe

Component: number fields

Keywords: gsoc2022

Author: Jing Guo

Branch/Commit: 03aabf5

Reviewer: Alexander Galarraga

Issue created by migration from https://trac.sagemath.org/ticket/34212

[guojing0]

Description changed:

--- 
+++ 
@@ -1 +1 @@
-This ticket is to add `log_map` functionality for number field elements, which is then used in #32686 for implementing `points_of_bounded_height`.
+This ticket is to add `log_embedding` (logarithmic embedding) functionality for number field elements, which is then used in #32686 for implementing `points_of_bounded_height`.

[guojing0]

Branch: u/gh-guojing0/34212_logmap

[guojing0]

Commit: 41849f8

[guojing0]

New commits:

460d5f5	34212: log embedding for number field elements
41849f8	34212: tests and docs

[sagetrac-git]

Branch pushed to git repo; I updated commit sha1. New commits:

8cf8e21	34212: Remove log embedding from number_field_element.pyx
6a0a90c	34212: log embedding in number_field.py
629145f	34212: fix doc

[sagetrac-git]

Changed commit from 41849f8 to 629145f

[sagetrac-git]

Branch pushed to git repo; I updated commit sha1. New commits:

6cb6ac8

34212: remove unused import

[sagetrac-git]

Changed commit from 629145f to 6cb6ac8

[sagetrac-git]

Changed commit from 6cb6ac8 to 650dd04