// The MIT License (MIT)
// © mihakralj
//@version=6
indicator("Exponential Transformation (EXP)", "Exptrans", overlay=false)

//@function Applies an exponential transformation (y = e^x) to the input series.
//@doc https://github.com/mihakralj/pinescript/blob/main/indicators/numerics/exp.md
//@param source series float The input series to transform.
//@returns series float The exponentially transformed series.
//@optimized for performance and dirty data
expT(series float source) =>
    if na(source)
        runtime.error("Parameter 'source' cannot be na.")
    math.exp(source)

// ---------- Main loop ----------

// Inputs
i_source = input(close, "Source")

// Calculation
transformedSource = expT(i_source)

// Plot
plot(transformedSource, "Exponential Transformation", color=color.yellow, linewidth=2)