Function bufferSize [src]

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

Prototype

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

Parameters

mode: FormatT: type

Source

  pub fn bufferSize(comptime mode: Format, 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,
        },
    };
}  