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QuanTAlib/lib/numerics/sqrttrans/sqrttrans.pine
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// Licensed under the Apache License, Version 2.0
// © mihakralj
//@version=6
indicator("Square Root Transformation (SQRT)", "Sqrttrans", overlay=false)
//@function Applies a square root transformation (y = √x) to the input series.
//@param source series float The input series to transform. Must contain non-negative values.
//@returns series float The square root transformed series. Returns na if source < 0.
//@optimized for performance and dirty data
sqrtT(series float source) =>
if na(source)
na
else if source < 0
na
else
math.sqrt(source)
// ---------- Main loop ----------
// Inputs
i_source = input.source(close, "Source")
// Calculation
transformedSource = sqrtT(i_source)
// Plot
plot(transformedSource, "Sqrttrans", color=color.yellow, linewidth=2)