icicle/wrappers/golang/internal/generator/curves/templates/curve.go.tmpl

package {{.PackageName}}
{{if ne .CurvePrefix "Mock"}}
// #cgo CFLAGS: -I./include/
// #include "curve.h"
import "C"

import (
	"unsafe"

	"github.com/ingonyama-zk/icicle/v2/wrappers/golang/core"
	cr "github.com/ingonyama-zk/icicle/v2/wrappers/golang/cuda_runtime"
)
{{end}}
type {{.CurvePrefix}}Projective struct {
	X, Y, Z {{.CurvePrefix}}BaseField
}

func (p {{.CurvePrefix}}Projective) Size() int {
	return p.X.Size() * 3
}

func (p {{.CurvePrefix}}Projective) AsPointer() *uint32 {
	return p.X.AsPointer()
}

func (p *{{.CurvePrefix}}Projective) Zero() {{.CurvePrefix}}Projective {
	p.X.Zero()
	p.Y.One()
	p.Z.Zero()

	return *p
}

func (p *{{.CurvePrefix}}Projective) FromLimbs(x, y, z []uint32) {{.CurvePrefix}}Projective {
	p.X.FromLimbs(x)
	p.Y.FromLimbs(y)
	p.Z.FromLimbs(z)

	return *p
}



{{if ne .CurvePrefix "Mock"}}
func (p *{{.CurvePrefix}}Projective) FromAffine(a {{.CurvePrefix}}Affine) {{.CurvePrefix}}Projective {
	
	cA := (*C.{{toCName .CurvePrefix}}affine_t)(unsafe.Pointer(&a))
	cP := (*C.{{toCName .CurvePrefix}}projective_t)(unsafe.Pointer(p))
	C.{{.Curve}}{{toCNameBackwards .CurvePrefix}}_from_affine(cA, cP)
	return *p
}

func (p {{.CurvePrefix}}Projective) ProjectiveEq(p2 *{{.CurvePrefix}}Projective) bool {
	cP := (*C.{{toCName .CurvePrefix}}projective_t)(unsafe.Pointer(&p))
	cP2 := (*C.{{toCName .CurvePrefix}}projective_t)(unsafe.Pointer(&p2))
	__ret := C.{{.Curve}}{{toCNameBackwards .CurvePrefix}}_eq(cP, cP2)
	return __ret == (C._Bool)(true)
}

func (p *{{.CurvePrefix}}Projective) ProjectiveToAffine() {{.CurvePrefix}}Affine {
	var a {{.CurvePrefix}}Affine

	cA := (*C.{{toCName .CurvePrefix}}affine_t)(unsafe.Pointer(&a))
	cP := (*C.{{toCName .CurvePrefix}}projective_t)(unsafe.Pointer(p))
	C.{{.Curve}}{{toCNameBackwards .CurvePrefix}}_to_affine(cP, cA)
	return a
}

func {{.CurvePrefix}}GenerateProjectivePoints(size int) core.HostSlice[{{.CurvePrefix}}Projective] {
	points := make([]{{.CurvePrefix}}Projective, size)
	for i := range points {
		points[i] = {{.CurvePrefix}}Projective{}
	}

	pointsSlice := core.HostSliceFromElements[{{.CurvePrefix}}Projective](points)
	pPoints := (*C.{{toCName .CurvePrefix}}projective_t)(unsafe.Pointer(&pointsSlice[0]))
	cSize := (C.int)(size)
	C.{{.Curve}}{{toCNameBackwards .CurvePrefix}}_generate_projective_points(pPoints, cSize)

	return pointsSlice
}
{{end}}
type {{.CurvePrefix}}Affine struct {
	X, Y {{.CurvePrefix}}BaseField
}

func (a {{.CurvePrefix}}Affine) Size() int {
	return a.X.Size() * 2
}

func (a {{.CurvePrefix}}Affine) AsPointer() *uint32 {
	return a.X.AsPointer()
}

func (a *{{.CurvePrefix}}Affine) Zero() {{.CurvePrefix}}Affine {
	a.X.Zero()
	a.Y.Zero()

	return *a
}

func (a *{{.CurvePrefix}}Affine) FromLimbs(x, y []uint32) {{.CurvePrefix}}Affine {
	a.X.FromLimbs(x)
	a.Y.FromLimbs(y)

	return *a
}


{{if ne .CurvePrefix "Mock"}}
func (a {{.CurvePrefix}}Affine) ToProjective() {{.CurvePrefix}}Projective {
	var p {{.CurvePrefix}}Projective

	cA := (*C.{{toCName .CurvePrefix}}affine_t)(unsafe.Pointer(&a))
	cP := (*C.{{toCName .CurvePrefix}}projective_t)(unsafe.Pointer(&p))
	C.{{.Curve}}{{toCNameBackwards .CurvePrefix}}_from_affine(cA, cP)
	return p
}

func {{.CurvePrefix}}AffineFromProjective(p *{{.CurvePrefix}}Projective) {{.CurvePrefix}}Affine {
	return p.ProjectiveToAffine()
}

func {{.CurvePrefix}}GenerateAffinePoints(size int) core.HostSlice[{{.CurvePrefix}}Affine] {
	points := make([]{{.CurvePrefix}}Affine, size)
	for i := range points {
		points[i] = {{.CurvePrefix}}Affine{}
	}

	pointsSlice := core.HostSliceFromElements[{{.CurvePrefix}}Affine](points)
	cPoints := (*C.{{toCName .CurvePrefix}}affine_t)(unsafe.Pointer(&pointsSlice[0]))
	cSize := (C.int)(size)
	C.{{.Curve}}{{toCNameBackwards .CurvePrefix}}_generate_affine_points(cPoints, cSize)

	return pointsSlice
}

func convert{{.CurvePrefix}}AffinePointsMontgomery(points *core.DeviceSlice, isInto bool) cr.CudaError {
	cValues := (*C.{{toCName .CurvePrefix}}affine_t)(points.AsUnsafePointer())
	cSize := (C.size_t)(points.Len())
	cIsInto := (C._Bool)(isInto)
	defaultCtx, _ := cr.GetDefaultDeviceContext()
	cCtx := (*C.DeviceContext)(unsafe.Pointer(&defaultCtx))
	__ret := C.{{.Curve}}{{toCNameBackwards .CurvePrefix}}_affine_convert_montgomery(cValues, cSize, cIsInto, cCtx)
	err := (cr.CudaError)(__ret)
	return err
}

func {{.CurvePrefix}}AffineToMontgomery(points *core.DeviceSlice) cr.CudaError {
	points.CheckDevice()
	return convert{{.CurvePrefix}}AffinePointsMontgomery(points, true)
}

func {{.CurvePrefix}}AffineFromMontgomery(points *core.DeviceSlice) cr.CudaError {
	points.CheckDevice()
	return convert{{.CurvePrefix}}AffinePointsMontgomery(points, false)
}

func convert{{.CurvePrefix}}ProjectivePointsMontgomery(points *core.DeviceSlice, isInto bool) cr.CudaError {
	cValues := (*C.{{toCName .CurvePrefix}}projective_t)(points.AsUnsafePointer())
	cSize := (C.size_t)(points.Len())
	cIsInto := (C._Bool)(isInto)
	defaultCtx, _ := cr.GetDefaultDeviceContext()
	cCtx := (*C.DeviceContext)(unsafe.Pointer(&defaultCtx))
	__ret := C.{{.Curve}}{{toCNameBackwards .CurvePrefix}}_projective_convert_montgomery(cValues, cSize, cIsInto, cCtx)
	err := (cr.CudaError)(__ret)
	return err
}

func {{.CurvePrefix}}ProjectiveToMontgomery(points *core.DeviceSlice) cr.CudaError {
	points.CheckDevice()
	return convert{{.CurvePrefix}}ProjectivePointsMontgomery(points, true)
}

func {{.CurvePrefix}}ProjectiveFromMontgomery(points *core.DeviceSlice) cr.CudaError {
	points.CheckDevice()
	return convert{{.CurvePrefix}}ProjectivePointsMontgomery(points, false)
}
{{end}}