feat: initial release

Assisted-by: GLM 5.3 Flash

internal/core/basebridge.go

@@ -0,0 +1,36 @@
+// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
+// SPDX-License-Identifier: MIT
+
+package core
+
+import (
+	"sourcedock.dev/petrbalvin/tensor/internal/base"
+)
+
+// The bridge delegates to base wholesale: the error prefix, the shape
+// rendering and the range helper must not drift from what the domain
+// packages see, so no local copy of them exists here.
+
+// epsF is the float64 machine epsilon, bridged from base.EpsF.
+const epsF = base.EpsF
+
+// scalar is the element type the generic kernels serve.
+type scalar = base.Scalar
+
+func errf(format string, args ...any) error { return base.Errf(format, args...) }
+
+func shapeText(shape []int) string { return base.ShapeText(shape) }
+
+func rangeN(n int) []int { return base.RangeN(n) }
+
+func factor[T scalar](m [][]T) ([]int, int) { return base.Factor(m) }
+
+func checkSingular[T scalar](name string, m [][]T) error { return base.CheckSingular(name, m) }
+
+func solveColumn[T scalar](m [][]T, col []T) { base.SolveColumn(m, col) }
+
+func permuteColumn[T scalar](col []T, perm []int) { base.PermuteColumn(col, perm) }
+
+func solveSystem[T scalar](name string, m [][]T, rhs [][]T) ([][]T, error) {
+	return base.SolveSystem(name, m, rhs)
+}