// 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)
}