// Encoding and decoding is 1/1000th of the runtime of a scalar multiplication,
// so the overhead is acceptable.
type nistCurve[Point nistPoint[Point]] struct {
	newPoint func() Point
	params   *CurveParams
}

// nistPoint is a generic constraint for the nistec Point types.
type nistPoint[T any] interface {
	Bytes() []byte
	SetBytes([]byte) (T, error)
	Add(T, T) T
	Double(T) T

			fn(a[i]-a[i-1], a[i+len(a)/2-2]-a[i+len(a)/2-1])
		}
	}
}

type Point struct {
	X, Y int
}

//go:noinline
func sign(p1, p2, p3 Point) bool {
	return (p1.X-p3.X)*(p2.Y-p3.Y)-(p2.X-p3.X)*(p1.Y-p3.Y) < 0
}

func BenchmarkInvertLessThanNoov(b *testing.B) {
	p1 := Point{1, 2}
	p2 := Point{2, 3}
	p3 := Point{3, 4}
	for i := 0; i < b.N; i++ {
		sign(p1, p2, p3)
	}

	"crypto/internal/nistec"
	"crypto/internal/randutil"
	"errors"
	"internal/byteorder"
	"io"
	"math/bits"
)

type nistCurve[Point nistPoint[Point]] struct {
	name        string
	newPoint    func() Point
	scalarOrder []byte
}

// nistPoint is a generic constraint for the nistec Point types.
type nistPoint[T any] interface {
	Bytes() []byte
	BytesX() ([]byte, error)
	SetBytes([]byte) (T, error)

	x.FillBytes(ret[1 : 1+byteLen])
	y.FillBytes(ret[1+byteLen : 1+2*byteLen])

	return ret
}

// MarshalCompressed converts a point on the curve into the compressed form
// specified in SEC 1, Version 2.0, Section 2.3.3. If the point is not on the
// curve (or is the conventional point at infinity), the behavior is undefined.
func MarshalCompressed(curve Curve, x, y *big.Int) []byte {
	panicIfNotOnCurve(curve, x, y)

// ID for selecting language-related resources (such as translations) as well
// as one for selecting regional defaults (currency, number formatting, etc.)
//
// It may want to export this functionality at some point, but at this point
// this is only available for use within x/text.
package compact // import "golang.org/x/text/internal/language/compact"

import (
	"sort"
	"strings"

	"golang.org/x/text/internal/language"
)

}

// Less reports whether x is less than y.
// For floating-point types, a NaN is considered less than any non-NaN,
// and -0.0 is not less than (is equal to) 0.0.
func Less[T Ordered](x, y T) bool {
	return (isNaN(x) && !isNaN(y)) || x < y
}

// Compare returns
//
//	-1 if x is less than y,
//	 0 if x equals y,
//	+1 if x is greater than y.
//
// For floating-point types, a NaN is considered less than any non-NaN,

	NewPrivateKey(key []byte) (*PrivateKey, error)

	// NewPublicKey checks that key is valid and returns a PublicKey.
	//
	// For NIST curves, this decodes an uncompressed point according to SEC 1,
	// Version 2.0, Section 2.3.4. Compressed encodings and the point at
	// infinity are rejected.
	//
	// For X25519, this only checks the u-coordinate length. Adversarially
	// selected public keys can cause ECDH to return an error.

// to provide any security property.
type CurveParams struct {
	P       *big.Int // the order of the underlying field
	N       *big.Int // the order of the base point
	B       *big.Int // the constant of the curve equation
	Gx, Gy  *big.Int // (x,y) of the base point
	BitSize int      // the size of the underlying field
	Name    string   // the canonical name of the curve
}

func (curve *CurveParams) Params() *CurveParams {

package dep3

// The point of this test file is that it references a type from
// depBase that is also referenced in dep2, but dep2 is loaded by the
// linker before depBase (because it is earlier in the import list).
// There was a bug in the linker where it would not correctly read out
// the type data in this case and later crash.

import (
	"testshared/dep2"
	"testshared/depBase"
)

type Dep3 struct {
	dep  depBase.Dep
	dep2 dep2.Dep2

	doublePointerChecked      = []byte{1}
	singleInnerPointerChecked = []byte{1}
)

// This test checks the positions of variable identifiers.
// Changing the positions of the test variables idents after this point will break the test.

func TestSingleArgumentCast() C.int {
	retcode := C.func_with_char((*C.char)(unsafe.Pointer(&checkedPointer[0])), unsafe.Pointer(C.strarg))
	return retcode
}