Fix bug in incomplete Cholesky

[mohamed82008]

Fixes #6.

[codecov-io]

Codecov Report

Merging #7 into master will not change coverage. The diff coverage is 0%.

@@           Coverage Diff           @@
##           master       #7   +/-   ##
=======================================
  Coverage   54.54%   54.54%           
=======================================
  Files           4        4           
  Lines          66       66           
=======================================
  Hits           36       36           
  Misses         30       30

Impacted Files	Coverage Δ
src/incompletecholesky.jl	63.33% <0%> (ø)	:arrow_up:

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[coveralls]

Pull Request Test Coverage Report for Build 29

• 0 of 2 (0.0%) changed or added relevant lines in 1 file are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage remained the same at 54.545%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/incompletecholesky.jl	0	2	0.0%
<!--	Total:	0	2	0.0%	-->

Files with Coverage Reduction	New Missed Lines	%
src/incompletecholesky.jl	1	63.33%
<!--	Total:	1		-->

Totals
Change from base Build 26:	0.0%
Covered Lines:	36
Relevant Lines:	66

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💛 - Coveralls