Marc Tiehuis c6ad551cd2 std.fmt: add ryu floating-point formatting
This replaces the errol backend with one based on ryu. The 128-bit
backend only is implemented. This supports all floating-point types and
does not use fp logic to print.

Closes #1181.
Closes #1299.
Closes #3612.
2024-03-09 15:57:25 +13:00
..