Zig 0.17.0-dev (Split by item)

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bufferSize

Returns the minimum buffer size needed to print every float of a specific type and format.

float.bufferSize

pub fn bufferSize(comptime mode: Mode, comptime T: type) comptime_int

File

lib/std/fmt/float.zig:14

Code

pub fn bufferSize(comptime mode: Mode, comptime T: type) comptime_int {
    comptime std.debug.assert(@typeInfo(T) == .float);
    return switch (mode) {
        .scientific => 53,
        // Based on minimum subnormal values.
        .decimal => switch (@bitSizeOf(T)) {
            16 => @max(15, min_buffer_size),
            32 => 55,
            64 => 347,
            80 => 4996,
            128 => 5011,
            else => unreachable,
        },
    };
}