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path: root/vendor/github.com/json-iterator/go/stream_float.go
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Diffstat (limited to 'vendor/github.com/json-iterator/go/stream_float.go')
-rw-r--r--vendor/github.com/json-iterator/go/stream_float.go94
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]
- }
-}