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authorValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
committerValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
commita990de90fe41456a23e58bd087d2f107d321f3a1 (patch)
tree15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/ryu/tests/d2s_test.rs
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
Diffstat (limited to 'vendor/ryu/tests/d2s_test.rs')
-rw-r--r--vendor/ryu/tests/d2s_test.rs331
1 files changed, 0 insertions, 331 deletions
diff --git a/vendor/ryu/tests/d2s_test.rs b/vendor/ryu/tests/d2s_test.rs
deleted file mode 100644
index 7e8eba6..0000000
--- a/vendor/ryu/tests/d2s_test.rs
+++ /dev/null
@@ -1,331 +0,0 @@
-// Translated from C to Rust. The original C code can be found at
-// https://github.com/ulfjack/ryu and carries the following license:
-//
-// Copyright 2018 Ulf Adams
-//
-// The contents of this file may be used under the terms of the Apache License,
-// Version 2.0.
-//
-// (See accompanying file LICENSE-Apache or copy at
-// http://www.apache.org/licenses/LICENSE-2.0)
-//
-// Alternatively, the contents of this file may be used under the terms of
-// the Boost Software License, Version 1.0.
-// (See accompanying file LICENSE-Boost or copy at
-// https://www.boost.org/LICENSE_1_0.txt)
-//
-// Unless required by applicable law or agreed to in writing, this software
-// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-// KIND, either express or implied.
-
-#![allow(
- clippy::approx_constant,
- clippy::cast_lossless,
- clippy::float_cmp,
- clippy::int_plus_one,
- clippy::non_ascii_literal,
- clippy::unreadable_literal,
- clippy::unseparated_literal_suffix
-)]
-
-#[macro_use]
-mod macros;
-
-use std::f64;
-
-fn pretty(f: f64) -> String {
- ryu::Buffer::new().format(f).to_owned()
-}
-
-fn ieee_parts_to_double(sign: bool, ieee_exponent: u32, ieee_mantissa: u64) -> f64 {
- assert!(ieee_exponent <= 2047);
- assert!(ieee_mantissa <= (1u64 << 53) - 1);
- f64::from_bits(((sign as u64) << 63) | ((ieee_exponent as u64) << 52) | ieee_mantissa)
-}
-
-#[test]
-fn test_ryu() {
- check!(0.3);
- check!(1234000000000000.0);
- check!(1.234e16);
- check!(2.71828);
- check!(1.1e128);
- check!(1.1e-64);
- check!(2.718281828459045);
- check!(5e-324);
- check!(1.7976931348623157e308);
-}
-
-#[test]
-fn test_random() {
- let n = if cfg!(miri) { 100 } else { 1000000 };
- let mut buffer = ryu::Buffer::new();
- for _ in 0..n {
- let f: f64 = rand::random();
- assert_eq!(f, buffer.format_finite(f).parse().unwrap());
- }
-}
-
-#[test]
-#[cfg_attr(miri, ignore)]
-fn test_non_finite() {
- for i in 0u64..1 << 23 {
- let f = f64::from_bits((((1 << 11) - 1) << 52) + (i << 29));
- assert!(!f.is_finite(), "f={}", f);
- ryu::Buffer::new().format_finite(f);
- }
-}
-
-#[test]
-fn test_basic() {
- check!(0.0);
- check!(-0.0);
- check!(1.0);
- check!(-1.0);
- assert_eq!(pretty(f64::NAN.copysign(1.0)), "NaN");
- assert_eq!(pretty(f64::NAN.copysign(-1.0)), "NaN");
- assert_eq!(pretty(f64::INFINITY), "inf");
- assert_eq!(pretty(f64::NEG_INFINITY), "-inf");
-}
-
-#[test]
-fn test_switch_to_subnormal() {
- check!(2.2250738585072014e-308);
-}
-
-#[test]
-fn test_min_and_max() {
- assert_eq!(f64::from_bits(0x7fefffffffffffff), 1.7976931348623157e308);
- check!(1.7976931348623157e308);
- assert_eq!(f64::from_bits(1), 5e-324);
- check!(5e-324);
-}
-
-#[test]
-fn test_lots_of_trailing_zeros() {
- check!(2.9802322387695312e-8);
-}
-
-#[test]
-fn test_regression() {
- check!(-2.109808898695963e16);
- check!(4.940656e-318);
- check!(1.18575755e-316);
- check!(2.989102097996e-312);
- check!(9060801153433600.0);
- check!(4.708356024711512e18);
- check!(9.409340012568248e18);
- check!(1.2345678);
-}
-
-#[test]
-fn test_looks_like_pow5() {
- // These numbers have a mantissa that is a multiple of the largest power of
- // 5 that fits, and an exponent that causes the computation for q to result
- // in 22, which is a corner case for Ryū.
- assert_eq!(f64::from_bits(0x4830F0CF064DD592), 5.764607523034235e39);
- check!(5.764607523034235e39);
- assert_eq!(f64::from_bits(0x4840F0CF064DD592), 1.152921504606847e40);
- check!(1.152921504606847e40);
- assert_eq!(f64::from_bits(0x4850F0CF064DD592), 2.305843009213694e40);
- check!(2.305843009213694e40);
-}
-
-#[test]
-fn test_output_length() {
- check!(1.0); // already tested in Basic
- check!(1.2);
- check!(1.23);
- check!(1.234);
- check!(1.2345);
- check!(1.23456);
- check!(1.234567);
- check!(1.2345678); // already tested in Regression
- check!(1.23456789);
- check!(1.234567895); // 1.234567890 would be trimmed
- check!(1.2345678901);
- check!(1.23456789012);
- check!(1.234567890123);
- check!(1.2345678901234);
- check!(1.23456789012345);
- check!(1.234567890123456);
- check!(1.2345678901234567);
-
- // Test 32-bit chunking
- check!(4.294967294); // 2^32 - 2
- check!(4.294967295); // 2^32 - 1
- check!(4.294967296); // 2^32
- check!(4.294967297); // 2^32 + 1
- check!(4.294967298); // 2^32 + 2
-}
-
-// Test min, max shift values in shiftright128
-#[test]
-fn test_min_max_shift() {
- let max_mantissa = (1u64 << 53) - 1;
-
- // 32-bit opt-size=0: 49 <= dist <= 50
- // 32-bit opt-size=1: 30 <= dist <= 50
- // 64-bit opt-size=0: 50 <= dist <= 50
- // 64-bit opt-size=1: 30 <= dist <= 50
- assert_eq!(1.7800590868057611E-307, ieee_parts_to_double(false, 4, 0));
- check!(1.7800590868057611e-307);
- // 32-bit opt-size=0: 49 <= dist <= 49
- // 32-bit opt-size=1: 28 <= dist <= 49
- // 64-bit opt-size=0: 50 <= dist <= 50
- // 64-bit opt-size=1: 28 <= dist <= 50
- assert_eq!(
- 2.8480945388892175E-306,
- ieee_parts_to_double(false, 6, max_mantissa)
- );
- check!(2.8480945388892175e-306);
- // 32-bit opt-size=0: 52 <= dist <= 53
- // 32-bit opt-size=1: 2 <= dist <= 53
- // 64-bit opt-size=0: 53 <= dist <= 53
- // 64-bit opt-size=1: 2 <= dist <= 53
- assert_eq!(2.446494580089078E-296, ieee_parts_to_double(false, 41, 0));
- check!(2.446494580089078e-296);
- // 32-bit opt-size=0: 52 <= dist <= 52
- // 32-bit opt-size=1: 2 <= dist <= 52
- // 64-bit opt-size=0: 53 <= dist <= 53
- // 64-bit opt-size=1: 2 <= dist <= 53
- assert_eq!(
- 4.8929891601781557E-296,
- ieee_parts_to_double(false, 40, max_mantissa)
- );
- check!(4.8929891601781557e-296);
-
- // 32-bit opt-size=0: 57 <= dist <= 58
- // 32-bit opt-size=1: 57 <= dist <= 58
- // 64-bit opt-size=0: 58 <= dist <= 58
- // 64-bit opt-size=1: 58 <= dist <= 58
- assert_eq!(1.8014398509481984E16, ieee_parts_to_double(false, 1077, 0));
- check!(1.8014398509481984e16);
- // 32-bit opt-size=0: 57 <= dist <= 57
- // 32-bit opt-size=1: 57 <= dist <= 57
- // 64-bit opt-size=0: 58 <= dist <= 58
- // 64-bit opt-size=1: 58 <= dist <= 58
- assert_eq!(
- 3.6028797018963964E16,
- ieee_parts_to_double(false, 1076, max_mantissa)
- );
- check!(3.6028797018963964e16);
- // 32-bit opt-size=0: 51 <= dist <= 52
- // 32-bit opt-size=1: 51 <= dist <= 59
- // 64-bit opt-size=0: 52 <= dist <= 52
- // 64-bit opt-size=1: 52 <= dist <= 59
- assert_eq!(2.900835519859558E-216, ieee_parts_to_double(false, 307, 0));
- check!(2.900835519859558e-216);
- // 32-bit opt-size=0: 51 <= dist <= 51
- // 32-bit opt-size=1: 51 <= dist <= 59
- // 64-bit opt-size=0: 52 <= dist <= 52
- // 64-bit opt-size=1: 52 <= dist <= 59
- assert_eq!(
- 5.801671039719115E-216,
- ieee_parts_to_double(false, 306, max_mantissa)
- );
- check!(5.801671039719115e-216);
-
- // https://github.com/ulfjack/ryu/commit/19e44d16d80236f5de25800f56d82606d1be00b9#commitcomment-30146483
- // 32-bit opt-size=0: 49 <= dist <= 49
- // 32-bit opt-size=1: 44 <= dist <= 49
- // 64-bit opt-size=0: 50 <= dist <= 50
- // 64-bit opt-size=1: 44 <= dist <= 50
- assert_eq!(
- 3.196104012172126E-27,
- ieee_parts_to_double(false, 934, 0x000FA7161A4D6E0C)
- );
- check!(3.196104012172126e-27);
-}
-
-#[test]
-fn test_small_integers() {
- check!(9007199254740991.0); // 2^53-1
- check!(9007199254740992.0); // 2^53
-
- check!(1.0);
- check!(12.0);
- check!(123.0);
- check!(1234.0);
- check!(12345.0);
- check!(123456.0);
- check!(1234567.0);
- check!(12345678.0);
- check!(123456789.0);
- check!(1234567890.0);
- check!(1234567895.0);
- check!(12345678901.0);
- check!(123456789012.0);
- check!(1234567890123.0);
- check!(12345678901234.0);
- check!(123456789012345.0);
- check!(1234567890123456.0);
-
- // 10^i
- check!(1.0);
- check!(10.0);
- check!(100.0);
- check!(1000.0);
- check!(10000.0);
- check!(100000.0);
- check!(1000000.0);
- check!(10000000.0);
- check!(100000000.0);
- check!(1000000000.0);
- check!(10000000000.0);
- check!(100000000000.0);
- check!(1000000000000.0);
- check!(10000000000000.0);
- check!(100000000000000.0);
- check!(1000000000000000.0);
-
- // 10^15 + 10^i
- check!(1000000000000001.0);
- check!(1000000000000010.0);
- check!(1000000000000100.0);
- check!(1000000000001000.0);
- check!(1000000000010000.0);
- check!(1000000000100000.0);
- check!(1000000001000000.0);
- check!(1000000010000000.0);
- check!(1000000100000000.0);
- check!(1000001000000000.0);
- check!(1000010000000000.0);
- check!(1000100000000000.0);
- check!(1001000000000000.0);
- check!(1010000000000000.0);
- check!(1100000000000000.0);
-
- // Largest power of 2 <= 10^(i+1)
- check!(8.0);
- check!(64.0);
- check!(512.0);
- check!(8192.0);
- check!(65536.0);
- check!(524288.0);
- check!(8388608.0);
- check!(67108864.0);
- check!(536870912.0);
- check!(8589934592.0);
- check!(68719476736.0);
- check!(549755813888.0);
- check!(8796093022208.0);
- check!(70368744177664.0);
- check!(562949953421312.0);
- check!(9007199254740992.0);
-
- // 1000 * (Largest power of 2 <= 10^(i+1))
- check!(8000.0);
- check!(64000.0);
- check!(512000.0);
- check!(8192000.0);
- check!(65536000.0);
- check!(524288000.0);
- check!(8388608000.0);
- check!(67108864000.0);
- check!(536870912000.0);
- check!(8589934592000.0);
- check!(68719476736000.0);
- check!(549755813888000.0);
- check!(8796093022208000.0);
-}