Add std/dec64 and std/dec64math (Douglas Crockford DEC64 decimal floating point)#25788

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jonasohrn:dec64

Commits on May 2, 2026

Add std/dec64 and std/dec64math (Crockford DEC64 decimal float)

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claude
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Commits on May 3, 2026

dec64: drop x64/ARM64 inline-asm fast path

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claude
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dec64: switch `$` to scientific past Dragonbox's [-6, 17] threshold

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claude
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Commits on May 12, 2026

dec64: drop canonical() from constructor, subtract-based equality

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claude
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Commits on May 13, 2026

dec64: fixed test error
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