Add implementation of discrete 1D optimal transport

[coveralls]

Pull Request Test Coverage Report for Build 897546377

• 91 of 93 (97.85%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.01%) to 95.918%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/exact.jl	91	93	97.85%
<!--	Total:	91	93	97.85%	-->

Totals
Change from base Build 889071712:	0.01%
Covered Lines:	329
Relevant Lines:	343

---

💛 - Coveralls

[codecov-commenter]

Codecov Report

Merging #88 (2e2a302) into master (ea089f2) will decrease coverage by 0.23%. The diff coverage is 96.87%.

@@            Coverage Diff             @@
##           master      #88      +/-   ##
==========================================
- Coverage   95.90%   95.66%   -0.24%     
==========================================
  Files           1        2       +1     
  Lines         293      346      +53     
==========================================
+ Hits          281      331      +50     
- Misses         12       15       +3     

Impacted Files	Coverage Δ
src/OptimalTransport.jl	95.20% <ø> (-0.71%)	:arrow_down:
src/exact.jl	96.87% <96.87%> (ø)

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[devmotion]

:eyes: I assume the test errors are caused by https://github.com/PythonOT/POT/issues/169

[coveralls]

Pull Request Test Coverage Report for Build 889195975

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 91 of 94 (96.81%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.2%) to 95.665%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/exact.jl	91	94	96.81%
<!--	Total:	91	94	96.81%	-->

Totals
Change from base Build 889071712:	-0.2%
Covered Lines:	331
Relevant Lines:	346

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 889189480

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 91 of 94 (96.81%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.2%) to 95.665%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/exact.jl	91	94	96.81%
<!--	Total:	91	94	96.81%	-->

Totals
Change from base Build 889071712:	-0.2%
Covered Lines:	331
Relevant Lines:	346

---

💛 - Coveralls