Sha256: 3756e3dfc70ae5d3c3a9996416c4f6077886c84d76b13aa809304511cc70f315
Contents?: true
Size: 314 Bytes
Versions: 5
Compression:
Stored size: 314 Bytes
Contents
require_relative 'collect_hash'
class Array
def partial_sums(initial = 0.0)
sums = initial
map{|el| sums += el}
end
end
class Hash
# {1 => 5, 4 => 3, 3 => 2}.partial_sums == {1=>5, 3=>7, 4=>10}
def partial_sums(initial = 0.0)
sums = initial
sort.collect_hash{|k,v| [k, sums += v]}
end
end
Version data entries
5 entries across 5 versions & 1 rubygems