RSI & MACD Aligned [LazyBear]

//@version=2
study("RSI & MACD Aligned [LazyBear]", shorttitle="NORMRSIMACD_LB", precision=5)
src=input(close)
fastLen=input(12), slowLen=input(26), signal=input(9)

mult=input(2, title="Stdev Multiplier")
lb=input(20, title="Stdev Lookback Period")

calc_norm(src, mult, length,center) =>
    offs=mult*stdev(src, length)
    u=center+offs, l=center-offs
    nr=(src-l)/(u-l)
    nr


rsiLen=input(14), rsiSignalLen=input(9)
r=rsi(src,rsiLen)
[m,s,_]=macd(src, fastLen, slowLen, signal)

r:=calc_norm(r, mult,lb, 50), rs=ema(r, rsiSignalLen)
m:=calc_norm(m, mult,lb, 0), s:=calc_norm(s, mult,lb, 0)

hline(1.0,color=gray), hline(0,color=gray), hline(0.5, color=gray, linewidth=2)
plot(r, color=black, linewidth=2, title="RSI"), plot(rs, color=gray, linewidth=2, title="RSISignal")
plot(m, color=blue, linewidth=1, title="MACD"), plot(s, color=orange, linewidth=1, title="MACDSignal")