if !ab.eql(I) {
		if t == nil {
			panic("Hilbert failed")
		}
		t.Errorf("a   = %s\n", a)
		t.Errorf("b   = %s\n", b)
		t.Errorf("a*b = %s\n", ab)
		t.Errorf("I   = %s\n", I)
	}
}

func TestHilbert(t *testing.T) {
	doHilbert(t, 10)
}

func BenchmarkHilbert(b *testing.B) {
	for i := 0; i < b.N; i++ {
		doHilbert(nil, 10)
	}

	"fmt"
	"os"
	"testing"

	. "cmd/compile/internal/types2"
)

var (
	H   = flag.Int("H", 5, "Hilbert matrix size")
	out = flag.String("out", "", "write generated program to out")
)

func TestHilbert(t *testing.T) {
	// generate source
	src := program(*H, *out)
	if *out != "" {
		os.WriteFile(*out, src, 0666)
		return
	}

	DefPredeclaredTestFuncs() // declare assert (used by code generated by verify)

	"bytes"
	"flag"
	"fmt"
	"os"
	"testing"

	. "go/types"
)

var (
	H   = flag.Int("H", 5, "Hilbert matrix size")
	out = flag.String("out", "", "write generated program to out")
)

func TestHilbert(t *testing.T) {
	// generate source
	src := program(*H, *out)
	if *out != "" {
		os.WriteFile(*out, src, 0666)
		return
	}

	DefPredeclaredTestFuncs() // declare assert (used by code generated by verify)