//const LN10_F32: Float = 3.32192809488736234787031942948939;
//const LN10_F64: f64 = 3.32192809488736234787031942948939;
//const P10: &[Float] =
//    &[1e-7, 1e-6, 1e-5, 1e-4, 1e-3, 1e-2, 1e-1, 1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7];
//
///// Calculates 10 raised to the power of `x` (Float).
//pub fn exp10f(x: Float) -> Float {
//    let (mut y, n) = modff(x);
//    let u = n.to_bits();
//    // fabsf(n) < 8 without raising invalid on nan */
//    if ((u >> 23) & 0xff) < 0x7f + 3 {
//        if y == 0.0 {
//            return i!(P10, ((n as isize) + 7) as usize);
//        }
//        y = exp2f(LN10_F32 * y);
//        return y * i!(P10, ((n as isize) + 7) as usize);
//    }
//    return exp2(LN10_F64 * (x as f64)) as Float;
//}
//