// Float64bits returns the IEEE 754 binary representation of f.
//func Float64bits(f float64) uint64 { return *(*uint64)(unsafe.Pointer(&f)) }
func Float64bits(f float64) uint64 {
if hx.GetBool("", "Object.nativeFloats") {
var t float64 = f
return *(*uint64)(unsafe.Pointer(&t))
}
switch runtime.GOARCH {
case "cs":
return uint64(hx.Int64(hx.CallDynamic("", "Force.Float64bits", 1, f)))
// TODO js/cpp/neko short-cut - using Force.f64byts
//case "js", "cpp", "neko":
// return uint64(hx.Int64(hx.CallDynamic("", "Force.Float64bits", 1, f)))
}
// below from math.IsInf
if f > MaxFloat64 {
return uvinf
}
if f < -MaxFloat64 {
return uvneginf
}
if f != f { // NaN
if f < 0 { // -NaN ?
return uvnan | uint64(1)<<63
}
//return 9221120237041090561
return uvnan
}
if f == 0 {
if 1/f < -MaxFloat64 { // dividing by -0 gives -Inf
return uint64(1) << 63
}
return 0
}
s := uint64(0)
if f < hx.GetFloat("", "0") {
s = 1 << 63
f = -f
}
e := uint32(1023 + 52)
for f >= float64(int64(1<<53)) {
f /= hx.GetFloat("", "2")
e++
if e == uint32((1<<11)-1) {
break
}
}
for f < float64(int64(1<<52)) {
e--
if e == 0 {
break
}
f *= hx.GetFloat("", "2")
}
return s | uint64(e)<<52 | (uint64(f) &^ (1 << 52))
}
// Float64bits returns the IEEE 754 binary representation of f.
//func Float64bits(f float64) uint64 { return *(*uint64)(unsafe.Pointer(&f)) }
func Float64bits(f float64) uint64 {
return uint64(hx.Int64(hx.CodeDynamic("",
"Go_haxegoruntime_FFloat64bits.callFromRT(this._goroutine,_a.itemAddr(0).load().val);", f)))
}
func haxe2go(ret *emptyInterface, i interface{}) {
if ret == nil {
i = interface{}(nil)
return
}
/*
if ret.typ == nil { // HELP! assume dynamic?
panic("DEBUG reflect.haxe2go() nil Go type")
//println("DEBUG reflect.haxe2go() nil Go type, using uintptr")
//uip := hx.CodeIface("", "uintptr", "null;")
//ret.typ = createHaxeType(hx.CodeInt("", "_a.param(0).typ;", uip))
}
*/
ret.word = hx.Malloc(ret.typ.size)
switch ret.typ.Kind() & kindMask {
case Bool:
*(*bool)(ret.word) = hx.CodeBool("", "_a.param(0).val;", i)
case Int:
*(*int)(ret.word) = hx.CodeInt("", "_a.param(0).val;", i)
case Int8:
*(*int8)(ret.word) = int8(hx.CodeInt("", "_a.param(0).val;", i))
case Int16:
*(*int16)(ret.word) = int16(hx.CodeInt("", "_a.param(0).val;", i))
case Int32:
*(*int32)(ret.word) = int32(hx.CodeInt("", "_a.param(0).val;", i))
case Int64:
*(*int64)(ret.word) = hx.Int64(hx.CodeDynamic("", "_a.param(0).val;", i))
case Uint:
*(*uint)(ret.word) = uint(hx.CodeInt("", "_a.param(0).val;", i))
case Uint8:
*(*uint8)(ret.word) = uint8(hx.CodeInt("", "_a.param(0).val;", i))
case Uint16:
*(*uint16)(ret.word) = uint16(hx.CodeInt("", "_a.param(0).val;", i))
case Uint32:
*(*uint32)(ret.word) = uint32(hx.CodeInt("", "_a.param(0).val;", i))
case Uint64:
*(*uint64)(ret.word) = uint64(hx.Int64(hx.CodeDynamic("", "_a.param(0).val;", i)))
case Uintptr:
*(*uintptr)(ret.word) = uintptr(hx.CodeDynamic("", "_a.param(0).val;", i))
case Float32:
*(*float32)(ret.word) = float32(hx.CodeFloat("", "_a.param(0).val;", i))
case Float64:
*(*float64)(ret.word) = float64(hx.CodeFloat("", "_a.param(0).val;", i))
case Complex64:
*(*complex64)(ret.word) = complex64(hx.Complex(hx.CodeDynamic("", "_a.param(0).val;", i)))
case Complex128:
*(*complex128)(ret.word) = hx.Complex(hx.CodeDynamic("", "_a.param(0).val;", i))
case UnsafePointer, Ptr:
//*(*unsafe.Pointer)(ret.word) = unsafe.Pointer(hx.CodeDynamic("", "_a.param(0).val;", i))
ret.word = unsafe.Pointer(hx.CodeDynamic("", "_a.param(0).val;", i))
case String:
*(*string)(ret.word) = hx.CodeString("", "_a.param(0).val;", i)
case Array, Struct:
hx.Code("",
"_a.param(1).val.store_object(_a.param(2).val,_a.param(0).val);",
i, ret.word, ret.typ.size)
case Slice, Interface, Map, Func, Chan:
val := hx.CodeDynamic("", "_a.param(0).val;", i)
*(*uintptr)(ret.word) = val
/*
htyp := "null"
if !hx.IsNull(val) {
htyp = hx.CallString("", "Type.getClassName", 1, val)
}
println("DEBUG unpack haxe type=", htyp, " Go type=", ret.typ.Kind().String(), "val=", val, "encoded=", ret)
*/
}
}