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Diffstat (limited to '')
-rw-r--r-- | dependencies/pkg/mod/go.uber.org/atomic@v1.7.0/float64.go | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/go.uber.org/atomic@v1.7.0/float64.go b/dependencies/pkg/mod/go.uber.org/atomic@v1.7.0/float64.go new file mode 100644 index 0000000..0719060 --- /dev/null +++ b/dependencies/pkg/mod/go.uber.org/atomic@v1.7.0/float64.go @@ -0,0 +1,76 @@ +// @generated Code generated by gen-atomicwrapper. + +// Copyright (c) 2020 Uber Technologies, Inc. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +package atomic + +import ( + "encoding/json" + "math" +) + +// Float64 is an atomic type-safe wrapper for float64 values. +type Float64 struct { + _ nocmp // disallow non-atomic comparison + + v Uint64 +} + +var _zeroFloat64 float64 + +// NewFloat64 creates a new Float64. +func NewFloat64(v float64) *Float64 { + x := &Float64{} + if v != _zeroFloat64 { + x.Store(v) + } + return x +} + +// Load atomically loads the wrapped float64. +func (x *Float64) Load() float64 { + return math.Float64frombits(x.v.Load()) +} + +// Store atomically stores the passed float64. +func (x *Float64) Store(v float64) { + x.v.Store(math.Float64bits(v)) +} + +// CAS is an atomic compare-and-swap for float64 values. +func (x *Float64) CAS(o, n float64) bool { + return x.v.CAS(math.Float64bits(o), math.Float64bits(n)) +} + +// MarshalJSON encodes the wrapped float64 into JSON. +func (x *Float64) MarshalJSON() ([]byte, error) { + return json.Marshal(x.Load()) +} + +// UnmarshalJSON decodes a float64 from JSON. +func (x *Float64) UnmarshalJSON(b []byte) error { + var v float64 + if err := json.Unmarshal(b, &v); err != nil { + return err + } + x.Store(v) + return nil +} |