add coverage script

Author: RalphAS

.travis.yml

@@ -13,9 +13,9 @@ git:
 
 ## uncomment the following lines to allow failures on nightly julia
 ## (tests will run but not make your overall status red)
-#matrix:
-#  allow_failures:
-#  - julia: nightly
+matrix:
+allow_failures:
+  - julia: nightly
 
 ## uncomment following lines to deploy documentation
 # jobs:

README.md

@@ -10,15 +10,17 @@
 [![codecov.io](http://codecov.io/github/RalphAS/IterativeRefinement.jl/coverage.svg?branch=master)](http://codecov.io/github/RalphAS/IterativeRefinement.jl?branch=master)
 
 This package is an implementation of multi-precision iterative refinement for
-linear matrix-vector problems of the form `A x = b`.
+linear matrix-vector problems of the form
+
+`A x = b`.
 
 # Basic Usage
 ```julia
 julia> using LinearAlgebra, IterativeRefinement
 julia> x, bnorm, bcomp = rfldiv(A,b)
 ```
 This provides an accurate solution vector `x` and estimated bounds
-onf norm-wise and component-wise relative error. By default `LU` decomposition
+on norm-wise and component-wise relative error. By default `LU` decomposition
 is used.
 
 # Advanced Usage

test/coverage/Project.toml

@@ -0,0 +1,2 @@
+[deps]
+Coverage = "a2441757-f6aa-5fb2-8edb-039e3f45d037"

test/coverage/coverage.jl

@@ -0,0 +1,9 @@
+# only push coverage from one bot
+get(ENV, "TRAVIS_OS_NAME", nothing)       == "linux" || exit(0)
+get(ENV, "TRAVIS_JULIA_VERSION", nothing) == "1.0"   || exit(0)
+
+using Coverage
+
+cd(joinpath(@__DIR__, "..", "..")) do
+    Codecov.submit(Codecov.process_folder())
+end