Function isNan [src]

Prototype

pub fn isNan(x: anytype) bool

Example

 test isNan {
    inline for ([_]type{ f16, f32, f64, f80, f128, c_longdouble }) |T| {
        try expect(isNan(math.nan(T)));
        try expect(isNan(-math.nan(T)));
        try expect(isNan(math.snan(T)));
        try expect(!isNan(@as(T, 1.0)));
        try expect(!isNan(@as(T, math.inf(T))));
    }
}

Source

  pub fn isNan(x: anytype) bool {
    return x != x;
}  