Add support for floating-point hex formatting and parsing#124139

Merged

stephentoub merged 19 commits into

dotnet:mainfrom

stephentoub:floathex

Mar 27, 2026

Commits on Mar 27, 2026

Add support for floating-point hex formatting and parsing
stephentoub
committed
Address PR review feedback for hex float formatting/parsing

stephentoub
and
Copilot
committed
Add additional hex float edge case tests

authored and
stephentoub
committed
Clean up hex float formatting: remove orphaned string, add assertions and doc comments

authored and
stephentoub
committed
Remove unreachable shiftRight == 0 branch in hex float parsing

authored and
stephentoub
committed
Add Debug.Assert for bitsToDiscard range in hex float formatter

authored and
stephentoub
committed
Clarify significand accumulation guards in hex float parser

authored and
stephentoub
committed
Assert shiftRight range after rounding logic in hex float parser

authored and
stephentoub
committed
Emit 0x prefix
stephentoub
committed
Require 0x prefix when parsing
stephentoub
committed
Fix doc comment
stephentoub
committed
Require binary exponent (p/P) when parsing hex floats
stephentoub
committed
Apply suggestions from code review

stephentoub
and
Copilot
committed
Update src/libraries/System.Runtime/tests/System.Runtime.Tests/System/DoubleTests.cs

stephentoub
and
Copilot
committed
Update src/libraries/System.Runtime/tests/System.Runtime.Tests/System/SingleTests.cs

stephentoub
and
Copilot
committed
Address PR review feedback for hex float formatting/parsing

stephentoub
and
Copilot
committed
Address tannergooding review feedback

stephentoub
and
Copilot
committed
Add AllowExponent to HexFloat and fix exponent doc wording

stephentoub
and
Copilot
committed
Guard against empty NegativeSign in hex float parsing

stephentoub
and
Copilot
committed

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Add support for floating-point hex formatting and parsing#124139

Add support for floating-point hex formatting and parsing#124139
stephentoub merged 19 commits into
dotnet:mainfrom
stephentoub:floathex

Commits on Mar 27, 2026

Add support for floating-point hex formatting and parsing

Address PR review feedback for hex float formatting/parsing

Add additional hex float edge case tests

Clean up hex float formatting: remove orphaned string, add assertions and doc comments

Remove unreachable shiftRight == 0 branch in hex float parsing

Add Debug.Assert for bitsToDiscard range in hex float formatter

Clarify significand accumulation guards in hex float parser

Assert shiftRight range after rounding logic in hex float parser

Emit 0x prefix

Require 0x prefix when parsing

Fix doc comment

Require binary exponent (p/P) when parsing hex floats

Apply suggestions from code review

Update src/libraries/System.Runtime/tests/System.Runtime.Tests/System/DoubleTests.cs

Update src/libraries/System.Runtime/tests/System.Runtime.Tests/System/SingleTests.cs

Address PR review feedback for hex float formatting/parsing

Address tannergooding review feedback

Add AllowExponent to HexFloat and fix exponent doc wording

Guard against empty NegativeSign in hex float parsing