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This is an example of documentation generated by ZigDoc, an alternative to Zig's built-in Auto Doc feature. See also examples in other modes/formats. The project being documented here (as the example) is the Zig standard library. Public Function

floorPowerOfTwo

Public Function
std.math.floorPowerOfTwo
pub fn floorPowerOfTwo(comptime T: type, value: T) T

Returns the nearest power of two less than or equal to value, or zero if value is less than or equal to zero.

Params

  • T: type
  • value: T

File

math.zig:1173
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pub fn floorPowerOfTwo(comptime T: type, value: T) T {
    const uT = @Int(.unsigned, @typeInfo(T).int.bits);
    if (value <= 0) return 0;
    return @as(T, 1) << log2_int(uT, @as(uT, @intCast(value)));
}