60 lines
1.4 KiB
Rust
60 lines
1.4 KiB
Rust
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#![cfg(feature = "compact")]
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#![allow(dead_code)]
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use minimal_lexical::bellerophon::bellerophon;
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use minimal_lexical::extended_float::{extended_to_float, ExtendedFloat};
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use minimal_lexical::num::Float;
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use minimal_lexical::number::Number;
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pub fn bellerophon_test<F: Float + core::fmt::Debug>(
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xmant: u64,
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xexp: i32,
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many_digits: bool,
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ymant: u64,
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yexp: i32,
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) {
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let num = Number {
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exponent: xexp,
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mantissa: xmant,
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many_digits,
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};
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let xfp = bellerophon::<F>(&num);
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let yfp = ExtendedFloat {
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mant: ymant,
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exp: yexp,
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};
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// Given us useful error messages if the floats are valid.
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if xfp.exp >= 0 && yfp.exp >= 0 {
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assert!(
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xfp == yfp,
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"x != y, xfp={:?}, yfp={:?}, x={:?}, y={:?}",
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xfp,
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yfp,
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extended_to_float::<F>(xfp),
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extended_to_float::<F>(yfp)
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);
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} else {
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assert_eq!(xfp, yfp);
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}
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}
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pub fn compute_float32(q: i32, w: u64) -> (i32, u64) {
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let num = Number {
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exponent: q,
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mantissa: w,
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many_digits: false,
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};
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let fp = bellerophon::<f32>(&num);
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(fp.exp, fp.mant)
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}
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pub fn compute_float64(q: i32, w: u64) -> (i32, u64) {
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let num = Number {
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exponent: q,
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mantissa: w,
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many_digits: false,
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};
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let fp = bellerophon::<f64>(&num);
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(fp.exp, fp.mant)
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}
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