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Versions: 12
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Stored size: 854 Bytes
Contents
require "spec_helper.rb"
require 'ms/calc'
describe 'Ms::Calc - calculating ppm tolerances' do
extend Ms::Calc
it "returns the ppm tolerance at the specified mass, ppm" do
ppm_tol_at(100, 100).is 0.01
ppm_tol_at(1000, 100).is 0.1
ppm_tol_at(1000, 10).is 0.01
end
it "works for any numeric inputs" do
ppm_tol_at(100, 100).is 0.01
ppm_tol_at(100.0, 100.0).is 0.01
ppm_tol_at(1e2, 1e2).is 0.01
end
it "should return a span of ppm_tol_at centered on the specified mass" do
ppm_span_at(100, 100).is [99.99, 100.01]
ppm_span_at(1000, 100).is [999.9, 1000.1]
ppm_span_at(1000, 10).is [999.99, 1000.01]
end
it "should work for any numeric inputs" do
ppm_span_at(100, 100).is [99.99, 100.01]
ppm_span_at(100.0, 100.0).is [99.99, 100.01]
ppm_span_at(1e2, 1e2).is [99.99, 100.01]
end
end
Version data entries
12 entries across 12 versions & 1 rubygems