Zig 0.17.0-dev (Split by item)

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floatMantissaBits

float.floatMantissaBits

pub inline fn floatMantissaBits(comptime T: type) comptime_int

File

lib/std/math/float.zig:189

Code

pub inline fn floatMantissaBits(comptime T: type) comptime_int {
    comptime assert(@typeInfo(T) == .float);

    return switch (@typeInfo(T).float.bits) {
        16 => 10,
        32 => 23,
        64 => 52,
        80 => 64,
        128 => 112,
        else => @compileError("unknown floating point type " ++ @typeName(T)),
    };
}