Module: Matrix::CoercionHelper

1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560

# File 'opal/stdlib/matrix.rb', line 1549
def self.coerce_to(obj, cls, meth) # :nodoc:
 return obj if obj.kind_of?(cls)
 raise TypeError, "Expected a #{cls} but got a #{obj.class}" unless obj.respond_to? meth
 begin
 ret = obj.__send__(meth)
 rescue Exception => e
 raise TypeError, "Coercion error: #{obj.inspect}.#{meth} => #{cls} failed:\n" \
 "(#{e.message})"
 end
 raise TypeError, "Coercion error: obj.#{meth} did NOT return a #{cls} (was #{ret.class})" unless ret.kind_of? cls
 ret
end

1562
1563
1564

# File 'opal/stdlib/matrix.rb', line 1562
def self.coerce_to_int(obj)
 coerce_to(obj, Integer, :to_int)
end

1566
1567
1568

# File 'opal/stdlib/matrix.rb', line 1566
def self.coerce_to_matrix(obj)
 coerce_to(obj, Matrix , :to_matrix)
end