diff options
Diffstat (limited to 'vendor/github.com/json-iterator/go/stream_float.go')
-rw-r--r-- | vendor/github.com/json-iterator/go/stream_float.go | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/vendor/github.com/json-iterator/go/stream_float.go b/vendor/github.com/json-iterator/go/stream_float.go deleted file mode 100644 index f318d2c5..00000000 --- a/vendor/github.com/json-iterator/go/stream_float.go +++ /dev/null @@ -1,94 +0,0 @@ -package jsoniter - -import ( - "math" - "strconv" -) - -var pow10 []uint64 - -func init() { - pow10 = []uint64{1, 10, 100, 1000, 10000, 100000, 1000000} -} - -// WriteFloat32 write float32 to stream -func (stream *Stream) WriteFloat32(val float32) { - abs := math.Abs(float64(val)) - fmt := byte('f') - // Note: Must use float32 comparisons for underlying float32 value to get precise cutoffs right. - if abs != 0 { - if float32(abs) < 1e-6 || float32(abs) >= 1e21 { - fmt = 'e' - } - } - stream.buf = strconv.AppendFloat(stream.buf, float64(val), fmt, -1, 32) -} - -// WriteFloat32Lossy write float32 to stream with ONLY 6 digits precision although much much faster -func (stream *Stream) WriteFloat32Lossy(val float32) { - if val < 0 { - stream.writeByte('-') - val = -val - } - if val > 0x4ffffff { - stream.WriteFloat32(val) - return - } - precision := 6 - exp := uint64(1000000) // 6 - lval := uint64(float64(val)*float64(exp) + 0.5) - stream.WriteUint64(lval / exp) - fval := lval % exp - if fval == 0 { - return - } - stream.writeByte('.') - for p := precision - 1; p > 0 && fval < pow10[p]; p-- { - stream.writeByte('0') - } - stream.WriteUint64(fval) - for stream.buf[len(stream.buf)-1] == '0' { - stream.buf = stream.buf[:len(stream.buf)-1] - } -} - -// WriteFloat64 write float64 to stream -func (stream *Stream) WriteFloat64(val float64) { - abs := math.Abs(val) - fmt := byte('f') - // Note: Must use float32 comparisons for underlying float32 value to get precise cutoffs right. - if abs != 0 { - if abs < 1e-6 || abs >= 1e21 { - fmt = 'e' - } - } - stream.buf = strconv.AppendFloat(stream.buf, float64(val), fmt, -1, 64) -} - -// WriteFloat64Lossy write float64 to stream with ONLY 6 digits precision although much much faster -func (stream *Stream) WriteFloat64Lossy(val float64) { - if val < 0 { - stream.writeByte('-') - val = -val - } - if val > 0x4ffffff { - stream.WriteFloat64(val) - return - } - precision := 6 - exp := uint64(1000000) // 6 - lval := uint64(val*float64(exp) + 0.5) - stream.WriteUint64(lval / exp) - fval := lval % exp - if fval == 0 { - return - } - stream.writeByte('.') - for p := precision - 1; p > 0 && fval < pow10[p]; p-- { - stream.writeByte('0') - } - stream.WriteUint64(fval) - for stream.buf[len(stream.buf)-1] == '0' { - stream.buf = stream.buf[:len(stream.buf)-1] - } -} |