From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- vendor/minimal-lexical/tests/rounding_tests.rs | 64 ++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 vendor/minimal-lexical/tests/rounding_tests.rs (limited to 'vendor/minimal-lexical/tests/rounding_tests.rs') diff --git a/vendor/minimal-lexical/tests/rounding_tests.rs b/vendor/minimal-lexical/tests/rounding_tests.rs new file mode 100644 index 000000000..794d696fb --- /dev/null +++ b/vendor/minimal-lexical/tests/rounding_tests.rs @@ -0,0 +1,64 @@ +use minimal_lexical::extended_float::ExtendedFloat; +use minimal_lexical::rounding; + +#[test] +fn round_test() { + let mut fp = ExtendedFloat { + mant: 9223372036854776832, + exp: -10, + }; + rounding::round::(&mut fp, |f, s| { + f.mant >>= s; + f.exp += s; + }); + assert_eq!(fp.mant, 0); + assert_eq!(fp.exp, 1); + + let mut fp = ExtendedFloat { + mant: 9223372036854776832, + exp: -10, + }; + rounding::round::(&mut fp, |f, s| { + f.mant >>= s; + f.exp += s; + // Round-up. + f.mant += 1; + }); + assert_eq!(fp.mant, 1); + assert_eq!(fp.exp, 1); + + // Round-down + let mut fp = ExtendedFloat { + mant: 9223372036854776832, + exp: -10, + }; + rounding::round::(&mut fp, |f, s| { + rounding::round_nearest_tie_even(f, s, |is_odd, is_halfway, is_above| { + is_above || (is_odd && is_halfway) + }); + }); + assert_eq!(fp.mant, 0); + assert_eq!(fp.exp, 1); + + // Round up + let mut fp = ExtendedFloat { + mant: 9223372036854778880, + exp: -10, + }; + rounding::round::(&mut fp, |f, s| { + rounding::round_nearest_tie_even(f, s, |is_odd, is_halfway, is_above| { + is_above || (is_odd && is_halfway) + }); + }); + assert_eq!(fp.mant, 2); + assert_eq!(fp.exp, 1); + + // Round down + let mut fp = ExtendedFloat { + mant: 9223372036854778880, + exp: -10, + }; + rounding::round::(&mut fp, rounding::round_down); + assert_eq!(fp.mant, 1); + assert_eq!(fp.exp, 1); +} -- cgit v1.2.3