package secp256k1

import (
	_ "embed"
)

//go:embed rawbytepoints.bin
var bytepoints []byte
var bytePointTable [32][256]JacobianPoint
var bytePointsLoaded bool

// getBytePointTable returns the precomputed byte point table, initializing
// it on first call.
func getBytePointTable() *[32][256]JacobianPoint {
	if !bytePointsLoaded {
		var cursor int
		for i := range bytePointTable {
			for j := range bytePointTable[i] {
				bytePointTable[i][j].X.SetByteSlice(bytepoints[cursor:])
				cursor += 32
				bytePointTable[i][j].Y.SetByteSlice(bytepoints[cursor:])
				cursor += 32
				bytePointTable[i][j].Z.SetInt(1)
			}
		}
		bytePointsLoaded = true
	}
	return &bytePointTable
}