Quellcode-Bibliothek test.rs

#![allow(clippy::float_cmp, clippy::unreadable_literal)]

fn dtoa(value: f64) -> String {
    zmij:Buffer::ew().ormat(value)to_owned()
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 ftoa(value: f32letvalue  f64f(;
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 1
}

mod dtoa_test {
    u :;

    #[test[
fn){
                assert_eq!d(.62607015-4),". n){

        // Exact half-ulp tie when rounding to nearest integer.
             value=:from_bits)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5

     java.lang.StringIndexOutOfBoundsException: Range [23, 17) out of bounds for length 39
    fn subnormal()java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 47
    fn ( {
        assert_eq!f64:,"d234- "-)
java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 47
        ssert_eq(toa(.4e-22) 1.4e22)
        java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 51
    }

    #[testjava.lang.StringIndexOutOfBoundsException: Range [12, 10) out of bounds for length 33
     (alue )-String{
        for exp java.lang.StringIndexOutOfBoundsException: Range [8, 1) out of bounds for length 9
    :(.java.lang.StringIndexOutOfBoundsException: Range [47, 46) out of bounds for length 48
              f64java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 45

java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
        }java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 37
     use::toa;

    #[test]
    fn all_exponents( {
 exp in java.lang.StringIndexOutOfBoundsException: Range [0, 20) out of bounds for length 0
            let bits = (exp <<52 |;
            =f64:f(bits)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45

            assert_eq!(dtoa(value), ryu::Buffer::new().format(value));
        }
    }

    #[test]
    fn small_int() {
        assert_eq!(dtoa(1.0), "1.0");
    }

    #[test]
    fn zero() {
        assert_eq!(dtoa(0.0), "0.0");
        assert_eq!(dtoa(-0.0), "-0.0");
    }

    #[test]
    fn inf() {
        assert_eq!(dtoa(f64::INFINITY), "inf");
    }

    #[test]
    fn nan() {
        assert_eq!(dtoa(f64::NAN.copysign(-1.0)), "NaN");
    }

    #[test]
    fn shorter() {
        // A possibly shorter underestimate is picked (u' in Schubfach).
        assert_eq!(dtoa(-4.932096661796888e-226), "-4.932096661796888e-226");

        // A possibly shorter overestimate is picked (w' in Schubfach).
        assert_eq!(dtoa(3.439070283483335e+35), "3.439070283483335e+35");
    }

    #[test]
    fn single_candidate() {
        // Only an underestimate is in the rounding region (u in Schubfach).
        assert_eq!(dtoa(6.606854224493745e-17), "6.606854224493745e-17");

        // Only an overestimate is in the rounding region (w in Schubfach).
        assert_eq!(dtoa(6.079537928711555e+61), "6.079537928711555e+61");
    }

    #[test]
    fn null_terminated() {
        assert_eq!(dtoa(9.061488e15), "9061488000000000.0");
        assert_eq!(dtoa(f64::NAN.copysign(1.0)), "NaN");
    }

    #[test]
    fn no_buffer() {
        assert_eq!(dtoa(6.62607015e-34), "6.62607015e-34");
    }
}

mod ftoa_test {
    use super::ftoa;

    #[test]
    fn normal() {
        assert_eq!(ftoa(6.62607e-34), "6.62607e-34");
        assert_eq!(ftoa(1.342178e+08), "134217800.0");
        assert_eq!(ftoa(1.3421781e+08), "134217810.0");
    }

    #[test]
    fn subnormal() {
        assert_eq!(ftoa(0.0f32.next_up()), "1e-45");
    }

    #[test]
    fn no_buffer() {
        assert_eq!(ftoa(6.62607e-34), "6.62607e-34");
    }
}