zig print float precision

Question

In zig it is possible to print float values in decimal notation by using "{d}". This will automatically print the value at full precision. Is there way to specify the number of digits? Either for each value, or as some kind of global setting?

Dull Bananas · Accepted Answer · 2021-07-29 01:16:59Z

17

This will limit the number of digits after the decimal point, with rounding and zero-padding:

format(w, "{d:.1}", .{0.05}) == "0.1"
format(w, "{d:.3}", .{0.05}) == "0.050"

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answered Jul 29, 2021 at 1:16

Dull Bananas

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