Chris@25: def real(x, offset = 0, i = nil, stride = nil)
Chris@25:   if stride
Chris@25:     "#{x}[2 * ((#{offset}) + (#{stride}) * (#{i}))]"
Chris@25:   elsif i
Chris@25:     "#{x}[2 * ((#{offset}) + (#{i}))]"
Chris@25:   elsif offset
Chris@25:     "#{x}[2 * (#{offset})]"
Chris@25:   else
Chris@25:     "#{x}[0]"
Chris@25:   end
Chris@25: end
Chris@25: 
Chris@25: def imag(x, offset = 0, i = nil, stride = nil)
Chris@25:   if stride
Chris@25:     "#{x}[2 * ((#{offset}) + (#{stride}) * (#{i})) + 1]"
Chris@25:   elsif i
Chris@25:     "#{x}[2 * ((#{offset}) + (#{i})) + 1]"
Chris@25:   elsif offset
Chris@25:     "#{x}[2 * (#{offset}) + 1]"
Chris@25:   else
Chris@25:     "#{x}[1]"
Chris@25:   end
Chris@25: end
Chris@25: 
Chris@25: def load(value, x, offset = 0, i = nil, stride = nil)
Chris@25:   "var #{value}_r = #{real(x, offset, i, stride)}, #{value}_i = #{imag(x, offset, i, stride)}"
Chris@25: end
Chris@25: 
Chris@25: def store(value, x, offset = 0, i = nil, stride = nil)
Chris@25:   "#{real(x, offset, i, stride)} = #{value}_r, #{imag(x, offset, i, stride)} = #{value}_i"
Chris@25: end
Chris@25: 
Chris@25: def cadd(result, a, b)
Chris@25:   "var #{result}_r = #{a}_r + #{b}_r, #{result}_i = #{a}_i + #{b}_i"
Chris@25: end
Chris@25: 
Chris@25: def csub(result, a, b)
Chris@25:   "var #{result}_r = #{a}_r - #{b}_r, #{result}_i = #{a}_i - #{b}_i"
Chris@25: end
Chris@25: 
Chris@25: def cmul(result, a, b)
Chris@25:   "var #{result}_r = #{a}_r * #{b}_r - #{a}_i * #{b}_i, #{result}_i = #{a}_r * #{b}_i + #{a}_i * #{b}_r"
Chris@25: end