Zig 0.17.0-dev (Split by item)

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isNegativeZero

iszero.isNegativeZero

pub inline fn isNegativeZero(x: anytype) bool

File

lib/std/math/iszero.zig:14

Code

pub inline fn isNegativeZero(x: anytype) bool {
    const T = @TypeOf(x);
    const bit_count = @typeInfo(T).float.bits;
    const TBits = @Int(.unsigned, bit_count);
    return @as(TBits, @bitCast(x)) == @as(TBits, 1) << (bit_count - 1);
}