feat: initial release

Assisted-by: GLM 5.3 Flash

signal/examples_test.go

@@ -0,0 +1,36 @@
+// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
+// SPDX-License-Identifier: MIT
+
+package signal
+
+import (
+	"fmt"
+	"log"
+
+	"sourcedock.dev/petrbalvin/tensor/internal/core"
+)
+
+func ExampleConv2D() {
+	x, _ := core.FromFloats([]float64{
+		1, 2, 3, 4,
+		5, 6, 7, 8,
+	}, 1, 1, 2, 4)
+	w, _ := core.FromFloats([]float64{1, 0, 0, 1}, 1, 1, 2, 2)
+	out, err := Conv2D(x, w, nil, 1, 0)
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Println(out)
+	// Output: float (1, 1, 1, 3) [7, 9, 11]
+}
+
+func ExampleFFT() {
+	x, _ := core.FromFloats([]float64{1, 1, 1, 1}, 4)
+	spec, err := FFT(x)
+	if err != nil {
+		log.Fatal(err)
+	}
+	dc, _ := core.ComplexAt(spec, 0)
+	fmt.Println(real(dc))
+	// Output: 4
+}