math/big: make validate a method of Float (cleanup)

Change-Id: If38f45acffd352ed95f32f3a36edd91a1fb33d0c
Reviewed-on: https://go-review.googlesource.com/6850
Reviewed-by: Alan Donovan <adonovan@google.com>
This commit is contained in:
Robert Griesemer 2015-03-04 15:02:07 -08:00
parent 63269404a8
commit 0ff7c3ea45

View file

@ -188,7 +188,7 @@ func (x *Float) Acc() Accuracy {
// //
func (x *Float) Sign() int { func (x *Float) Sign() int {
if debugFloat { if debugFloat {
validate(x) x.validate()
} }
if len(x.mant) == 0 && x.exp != infExp { if len(x.mant) == 0 && x.exp != infExp {
return 0 return 0
@ -217,7 +217,7 @@ func (x *Float) Sign() int {
// mantissa value. // mantissa value.
func (x *Float) MantExp(mant *Float) (exp int) { func (x *Float) MantExp(mant *Float) (exp int) {
if debugFloat { if debugFloat {
validate(x) x.validate()
} }
if len(x.mant) != 0 { if len(x.mant) != 0 {
exp = int(x.exp) exp = int(x.exp)
@ -249,8 +249,8 @@ func (x *Float) MantExp(mant *Float) (exp int) {
// is set to exp. // is set to exp.
func (z *Float) SetMantExp(mant *Float, exp int) *Float { func (z *Float) SetMantExp(mant *Float, exp int) *Float {
if debugFloat { if debugFloat {
validate(z) z.validate()
validate(mant) mant.validate()
} }
z.Copy(mant) z.Copy(mant)
if len(z.mant) == 0 { if len(z.mant) == 0 {
@ -291,7 +291,7 @@ func (x *Float) IsNaN() bool {
// ±Inf and NaN values are not integers. // ±Inf and NaN values are not integers.
func (x *Float) IsInt() bool { func (x *Float) IsInt() bool {
if debugFloat { if debugFloat {
validate(x) x.validate()
} }
// pick off easy cases // pick off easy cases
if x.exp <= 0 { if x.exp <= 0 {
@ -329,7 +329,7 @@ func (z *Float) setExp(e int64) {
} }
// debugging support // debugging support
func validate(x *Float) { func (x *Float) validate() {
if !debugFloat { if !debugFloat {
// avoid performance bugs // avoid performance bugs
panic("validate called but debugFloat is not set") panic("validate called but debugFloat is not set")
@ -361,7 +361,7 @@ func validate(x *Float) {
// calling round. // calling round.
func (z *Float) round(sbit uint) { func (z *Float) round(sbit uint) {
if debugFloat { if debugFloat {
validate(z) z.validate()
} }
z.acc = Exact z.acc = Exact
@ -493,7 +493,7 @@ func (z *Float) round(sbit uint) {
} }
if debugFloat { if debugFloat {
validate(z) z.validate()
} }
return return
@ -678,7 +678,7 @@ func (z *Float) SetNaN() *Float {
// exact (not rounded) result. // exact (not rounded) result.
func (z *Float) Set(x *Float) *Float { func (z *Float) Set(x *Float) *Float {
if debugFloat { if debugFloat {
validate(x) x.validate()
} }
z.acc = Exact z.acc = Exact
if z != x { if z != x {
@ -700,7 +700,7 @@ func (z *Float) Set(x *Float) *Float {
// x are the same. // x are the same.
func (z *Float) Copy(x *Float) *Float { func (z *Float) Copy(x *Float) *Float {
if debugFloat { if debugFloat {
validate(x) x.validate()
} }
if z != x { if z != x {
z.prec = x.prec z.prec = x.prec
@ -736,7 +736,7 @@ func high64(x nat) uint64 {
// for x > math.MaxUint64, and (0, Undef) for NaNs. // for x > math.MaxUint64, and (0, Undef) for NaNs.
func (x *Float) Uint64() (uint64, Accuracy) { func (x *Float) Uint64() (uint64, Accuracy) {
if debugFloat { if debugFloat {
validate(x) x.validate()
} }
// special cases // special cases
@ -783,7 +783,7 @@ func (x *Float) Uint64() (uint64, Accuracy) {
// (math.MaxInt64, Below) for x > math.MaxInt64, and (0, Undef) for NaNs. // (math.MaxInt64, Below) for x > math.MaxInt64, and (0, Undef) for NaNs.
func (x *Float) Int64() (int64, Accuracy) { func (x *Float) Int64() (int64, Accuracy) {
if debugFloat { if debugFloat {
validate(x) x.validate()
} }
// special cases // special cases
@ -841,7 +841,7 @@ func (x *Float) Int64() (int64, Accuracy) {
// BUG(gri) Float.Float64 doesn't handle exponent overflow. // BUG(gri) Float.Float64 doesn't handle exponent overflow.
func (x *Float) Float64() (float64, Accuracy) { func (x *Float) Float64() (float64, Accuracy) {
if debugFloat { if debugFloat {
validate(x) x.validate()
} }
// special cases // special cases
@ -886,7 +886,7 @@ func (x *Float) Float64() (float64, Accuracy) {
// the result in z instead of allocating a new Int. // the result in z instead of allocating a new Int.
func (x *Float) Int(z *Int) (*Int, Accuracy) { func (x *Float) Int(z *Int) (*Int, Accuracy) {
if debugFloat { if debugFloat {
validate(x) x.validate()
} }
if z == nil { if z == nil {
@ -953,7 +953,7 @@ func (x *Float) Int(z *Int) (*Int, Accuracy) {
// the result in z instead of allocating a new Rat. // the result in z instead of allocating a new Rat.
func (x *Float) Rat(z *Rat) (*Rat, Accuracy) { func (x *Float) Rat(z *Rat) (*Rat, Accuracy) {
if debugFloat { if debugFloat {
validate(x) x.validate()
} }
if z == nil { if z == nil {
@ -1239,8 +1239,8 @@ func (x *Float) ucmp(y *Float) int {
// BUG(gri) When rounding ToNegativeInf, the sign of Float values rounded to 0 is incorrect. // BUG(gri) When rounding ToNegativeInf, the sign of Float values rounded to 0 is incorrect.
func (z *Float) Add(x, y *Float) *Float { func (z *Float) Add(x, y *Float) *Float {
if debugFloat { if debugFloat {
validate(x) x.validate()
validate(y) y.validate()
} }
if z.prec == 0 { if z.prec == 0 {
@ -1294,8 +1294,8 @@ func (z *Float) Add(x, y *Float) *Float {
// BUG(gri) Float.Sub returns NaN if an operand is Inf. // BUG(gri) Float.Sub returns NaN if an operand is Inf.
func (z *Float) Sub(x, y *Float) *Float { func (z *Float) Sub(x, y *Float) *Float {
if debugFloat { if debugFloat {
validate(x) x.validate()
validate(y) y.validate()
} }
if z.prec == 0 { if z.prec == 0 {
@ -1349,8 +1349,8 @@ func (z *Float) Sub(x, y *Float) *Float {
// BUG(gri) Float.Mul returns NaN if an operand is Inf. // BUG(gri) Float.Mul returns NaN if an operand is Inf.
func (z *Float) Mul(x, y *Float) *Float { func (z *Float) Mul(x, y *Float) *Float {
if debugFloat { if debugFloat {
validate(x) x.validate()
validate(y) y.validate()
} }
if z.prec == 0 { if z.prec == 0 {
@ -1387,8 +1387,8 @@ func (z *Float) Mul(x, y *Float) *Float {
// BUG(gri) Float.Quo returns NaN if an operand is Inf. // BUG(gri) Float.Quo returns NaN if an operand is Inf.
func (z *Float) Quo(x, y *Float) *Float { func (z *Float) Quo(x, y *Float) *Float {
if debugFloat { if debugFloat {
validate(x) x.validate()
validate(y) y.validate()
} }
if z.prec == 0 { if z.prec == 0 {
@ -1434,8 +1434,8 @@ func (z *Float) Quo(x, y *Float) *Float {
// BUG(gri) Float.Cmp does not implement comparing of NaNs. // BUG(gri) Float.Cmp does not implement comparing of NaNs.
func (x *Float) Cmp(y *Float) int { func (x *Float) Cmp(y *Float) int {
if debugFloat { if debugFloat {
validate(x) x.validate()
validate(y) y.validate()
} }
mx := x.ord() mx := x.ord()