Sha256: 7806dcb9c4d9711b4b64179fdcf1392814e6937fc189ac96e37a8919acd79a0c
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Size: 934 Bytes
Versions: 14
Compression:
Stored size: 934 Bytes
Contents
module GenerateNumber
def self.float_arguments(size, number, max = 100)
ret = Array.new(number){ |j| Array.new(size){ |i| rand(max) - rand } }
for i in 0...(ret.size)
case i % 4
when 1
ret[i].map!{ |a| -a }
when 2, 3
ret[i].map!{ |a| (rand > 0.5 ? -a : a) }
end
end
ret
end
def self.float(num, max = 100, &block)
if block_given?
for i in 0...num
a = rand(max) - rand
a = -a if rand > 0.5
yield(a)
end
else
ary = Array.new(num){ |i| rand(max) - rand }
ary.map!{ |a| (rand > 0.5 ? -a : a) }
end
end
def self.string(number)
prec = MPFR.get_default_prec
max = 2 ** prec
Array.new(number) do |i|
sign = ((rand > 0.5 ? '-' : ''))
"#{sign}#{rand(max)}.#{rand(max)}"
end
end
def self.mpfr_args(number)
ret = self.string(number)
ret.map!{ |a| MPFR.new(a) }
end
end
Version data entries
14 entries across 14 versions & 1 rubygems