diff options
Diffstat (limited to 'libgo/go/big/rat.go')
| -rw-r--r-- | libgo/go/big/rat.go | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/libgo/go/big/rat.go b/libgo/go/big/rat.go index 1940a05..3a0add3 100644 --- a/libgo/go/big/rat.go +++ b/libgo/go/big/rat.go @@ -8,8 +8,8 @@ package big import ( "encoding/binary" + "errors" "fmt" - "os" "strings" ) @@ -255,16 +255,16 @@ func ratTok(ch rune) bool { // Scan is a support routine for fmt.Scanner. It accepts the formats // 'e', 'E', 'f', 'F', 'g', 'G', and 'v'. All formats are equivalent. -func (z *Rat) Scan(s fmt.ScanState, ch rune) os.Error { +func (z *Rat) Scan(s fmt.ScanState, ch rune) error { tok, err := s.Token(true, ratTok) if err != nil { return err } if strings.IndexRune("efgEFGv", ch) < 0 { - return os.NewError("Rat.Scan: invalid verb") + return errors.New("Rat.Scan: invalid verb") } if _, ok := z.SetString(string(tok)); !ok { - return os.NewError("Rat.Scan: invalid syntax") + return errors.New("Rat.Scan: invalid syntax") } return nil } @@ -285,7 +285,7 @@ func (z *Rat) SetString(s string) (*Rat, bool) { return nil, false } s = s[sep+1:] - var err os.Error + var err error if z.b, _, err = z.b.scan(strings.NewReader(s), 10); err != nil { return nil, false } @@ -395,14 +395,14 @@ func (z *Rat) FloatString(prec int) string { const ratGobVersion byte = 1 // GobEncode implements the gob.GobEncoder interface. -func (z *Rat) GobEncode() ([]byte, os.Error) { +func (z *Rat) GobEncode() ([]byte, error) { buf := make([]byte, 1+4+(len(z.a.abs)+len(z.b))*_S) // extra bytes for version and sign bit (1), and numerator length (4) i := z.b.bytes(buf) j := z.a.abs.bytes(buf[0:i]) n := i - j if int(uint32(n)) != n { // this should never happen - return nil, os.NewError("Rat.GobEncode: numerator too large") + return nil, errors.New("Rat.GobEncode: numerator too large") } binary.BigEndian.PutUint32(buf[j-4:j], uint32(n)) j -= 1 + 4 @@ -415,13 +415,13 @@ func (z *Rat) GobEncode() ([]byte, os.Error) { } // GobDecode implements the gob.GobDecoder interface. -func (z *Rat) GobDecode(buf []byte) os.Error { +func (z *Rat) GobDecode(buf []byte) error { if len(buf) == 0 { - return os.NewError("Rat.GobDecode: no data") + return errors.New("Rat.GobDecode: no data") } b := buf[0] if b>>1 != ratGobVersion { - return os.NewError(fmt.Sprintf("Rat.GobDecode: encoding version %d not supported", b>>1)) + return errors.New(fmt.Sprintf("Rat.GobDecode: encoding version %d not supported", b>>1)) } const j = 1 + 4 i := j + binary.BigEndian.Uint32(buf[j-4:j]) |