Add float_roundtrip feature to enable a slower but higher precision float parser based on lexical.
Enabling float_roundtrip will use sufficient precision when parsing fixed precision floats from JSON to ensure that they maintain accuracy when round-tripped through JSON. This comes at an approximately 2x performance cost for parsing floats compared to the default best-effort precision.
Unlike arbitrary_precision, the new float_roundtrip feature makes f64 -> JSON -> f64 produce output identical to the input. arbitrary_precision is for making JSON -> serde_json::Number -> JSON produce output identical to the input.
serde_json = { version = "1.0.54", features = ["float_roundtrip"] }
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Bumps serde_json from 1.0.53 to 1.0.54.
Release notes
Sourced from serde_json's releases.
Commits
310c55cRelease 1.0.543d8b046Exclude single_precision flag unless needed2e8a58bExclude lexical code when built without float_roundtrip07bbec9Extend CI with more feature combinations43598d8Gate some tests behind float_roundtrip feature9e7680aWire up non-float_roundtrip parsing in long number caseb8d4153Restore best-effort float parse codepath3ae24a5Contrast float_roundtrip and arbitrary_precision7e5a529Call out performance cost of float_roundtrip91ac26aIntroduce float_roundtrip cargo cfgDependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
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