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https://github.com/shopspring/decimal.git
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parent
1884f454f8
commit
c939845a68
2 changed files with 17 additions and 21 deletions
28
decimal.go
28
decimal.go
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@ -55,9 +55,6 @@ var MarshalJSONWithoutQuotes = false
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// Zero constant, to make computations faster.
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// Zero constant, to make computations faster.
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var Zero = New(0, 1)
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var Zero = New(0, 1)
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// fiveDec used in Cash Rounding
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var fiveDec = New(5, 0)
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var zeroInt = big.NewInt(0)
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var zeroInt = big.NewInt(0)
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var oneInt = big.NewInt(1)
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var oneInt = big.NewInt(1)
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var twoInt = big.NewInt(2)
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var twoInt = big.NewInt(2)
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@ -296,10 +293,9 @@ func NewFromFloatWithExponent(value float64, exp int32) Decimal {
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// specials
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// specials
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if mant == 0 {
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if mant == 0 {
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return Decimal{}
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return Decimal{}
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} else {
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// subnormal
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exp2++
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}
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}
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// subnormal
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exp2++
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} else {
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} else {
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// normal
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// normal
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mant |= 1 << 52
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mant |= 1 << 52
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@ -947,13 +943,13 @@ func (d *Decimal) UnmarshalJSON(decimalBytes []byte) error {
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str, err := unquoteIfQuoted(decimalBytes)
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str, err := unquoteIfQuoted(decimalBytes)
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if err != nil {
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if err != nil {
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return fmt.Errorf("Error decoding string '%s': %s", decimalBytes, err)
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return fmt.Errorf("error decoding string '%s': %s", decimalBytes, err)
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}
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}
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decimal, err := NewFromString(str)
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decimal, err := NewFromString(str)
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*d = decimal
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*d = decimal
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if err != nil {
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if err != nil {
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return fmt.Errorf("Error decoding string '%s': %s", str, err)
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return fmt.Errorf("error decoding string '%s': %s", str, err)
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}
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}
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return nil
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return nil
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}
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}
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@ -1041,7 +1037,7 @@ func (d *Decimal) UnmarshalText(text []byte) error {
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dec, err := NewFromString(str)
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dec, err := NewFromString(str)
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*d = dec
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*d = dec
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if err != nil {
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if err != nil {
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return fmt.Errorf("Error decoding string '%s': %s", str, err)
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return fmt.Errorf("error decoding string '%s': %s", str, err)
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}
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}
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return nil
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return nil
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@ -1203,7 +1199,7 @@ func unquoteIfQuoted(value interface{}) (string, error) {
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case []byte:
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case []byte:
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bytes = v
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bytes = v
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default:
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default:
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return "", fmt.Errorf("Could not convert value '%+v' to byte array of type '%T'",
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return "", fmt.Errorf("could not convert value '%+v' to byte array of type '%T'",
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value, value)
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value, value)
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}
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}
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@ -1260,14 +1256,14 @@ func (d NullDecimal) MarshalJSON() ([]byte, error) {
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// Trig functions
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// Trig functions
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// Atan returns the arctangent, in radians, of x.
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// Atan returns the arctangent, in radians, of x.
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func (x Decimal) Atan() Decimal {
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func (d Decimal) Atan() Decimal {
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if x.Equal(NewFromFloat(0.0)) {
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if d.Equal(NewFromFloat(0.0)) {
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return x
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return d
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}
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}
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if x.GreaterThan(NewFromFloat(0.0)) {
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if d.GreaterThan(NewFromFloat(0.0)) {
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return x.satan()
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return d.satan()
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}
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}
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return x.Neg().satan().Neg()
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return d.Neg().satan().Neg()
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}
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}
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func (d Decimal) xatan() Decimal {
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func (d Decimal) xatan() Decimal {
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@ -358,7 +358,7 @@ func TestRequireFromStringErrs(t *testing.T) {
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err = recover()
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err = recover()
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}()
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}()
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d = RequireFromString(s)
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RequireFromString(s)
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}(d)
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}(d)
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if err == nil {
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if err == nil {
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@ -1404,8 +1404,8 @@ func createDivTestCases() []DivTestCase {
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for _, v2 := range a { // 11, even if 0 is skipped
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for _, v2 := range a { // 11, even if 0 is skipped
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sign1 := New(int64(s), 0)
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sign1 := New(int64(s), 0)
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sign2 := New(int64(s2), 0)
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sign2 := New(int64(s2), 0)
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d := sign1.Mul(New(int64(v1), int32(e1)))
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d := sign1.Mul(New(int64(v1), e1))
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d2 := sign2.Mul(New(int64(v2), int32(e2)))
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d2 := sign2.Mul(New(int64(v2), e2))
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res = append(res, DivTestCase{d, d2, prec})
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res = append(res, DivTestCase{d, d2, prec})
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}
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}
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}
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}
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@ -1842,7 +1842,7 @@ func TestDecimal_Scan(t *testing.T) {
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// in normal operations the db driver (sqlite at least)
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// in normal operations the db driver (sqlite at least)
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// will return an int64 if you specified a numeric format
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// will return an int64 if you specified a numeric format
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a := Decimal{}
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a := Decimal{}
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dbvalue := float64(54.33)
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dbvalue := 54.33
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expected := NewFromFloat(dbvalue)
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expected := NewFromFloat(dbvalue)
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err := a.Scan(dbvalue)
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err := a.Scan(dbvalue)
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@ -2146,7 +2146,7 @@ func TestNullDecimal_Scan(t *testing.T) {
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}
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}
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}
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}
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dbvalue := float64(54.33)
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dbvalue := 54.33
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expected := NewFromFloat(dbvalue)
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expected := NewFromFloat(dbvalue)
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err = a.Scan(dbvalue)
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err = a.Scan(dbvalue)
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