Function isNegativeInf [src]

Returns whether x is an infinity with a negative sign.

Prototype

pub inline fn isNegativeInf(x: anytype) bool

Example

 test isNegativeInf {
    inline for ([_]type{ f16, f32, f64, f80, f128 }) |T| {
        try expect(!isNegativeInf(@as(T, 0.0)));
        try expect(!isNegativeInf(@as(T, -0.0)));
        try expect(!isNegativeInf(math.inf(T)));
        try expect(isNegativeInf(-math.inf(T)));
        try expect(!isInf(math.nan(T)));
        try expect(!isInf(-math.nan(T)));
    }
}

Source

  pub inline fn isNegativeInf(x: anytype) bool {
    return x == -math.inf(@TypeOf(x));
}  