diff --git a/algo/ga/somat3a.go b/algo/ga/somat3a.go
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+++ b/algo/ga/somat3a.go
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+// Copyright 2023 wanderer <a_mirre at utb dot cz>
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package ga
+
+import (
+	"git.dotya.ml/wanderer/math-optim/stats"
+	"gonum.org/v1/gonum/stat/distuv"
+)
+
+// SOMAT3A holds the settings for an instance of SOMA T3A algorithm.
+// nolint: unused
+type SOMAT3A struct {
+	// Generations is the number of generations to evolve for. Disable limit
+	// with -1.
+	Generations int
+	// BenchMinIters is the number of iterations that the bench function will
+	// be re-run.
+	BenchMinIters int
+	// Dimensions in which to look for a solution.
+	Dimensions []int
+	// NP is the initial population size.
+	NP int
+	// BenchName is the human-friendly name of the benchmarking function.
+	BenchName string
+	// ch is a channel for writing back computed results.
+	ch chan []stats.Stats
+	// chAlgoMeans is a channel for writing back algo means.
+	chAlgoMeans chan *stats.AlgoBenchMean
+
+	// rng is a random number generator.
+	rng distuv.Uniform
+
+	// initialised denotes the initialisation state of the struct.
+	initialised bool
+}