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Remove ApproxEq and assert_approx_eq!

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This trait seems to stray too far from the mandate of a standard library as implementations may vary between use cases.
This commit is contained in:
Brendan Zabarauskas 2014-01-08 22:57:31 +11:00
parent 7613b15fdb
commit ceea85a148
18 changed files with 164 additions and 299 deletions
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37
src/libsyntax/ext/expand.rs
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@ -741,43 +741,6 @@ pub fn std_macros() -> @str {
)
)
macro_rules! assert_approx_eq (
($given:expr , $expected:expr) => (
{
use std::cmp::ApproxEq;
let given_val = $given;
let expected_val = $expected;
// check both directions of equality....
if !(
given_val.approx_eq(&expected_val) &&
expected_val.approx_eq(&given_val)
) {
fail!("left: {:?} does not approximately equal right: {:?}",
given_val, expected_val);
}
}
);
($given:expr , $expected:expr , $epsilon:expr) => (
{
use std::cmp::ApproxEq;
let given_val = $given;
let expected_val = $expected;
let epsilon_val = $epsilon;
// check both directions of equality....
if !(
given_val.approx_eq_eps(&expected_val, &epsilon_val) &&
expected_val.approx_eq_eps(&given_val, &epsilon_val)
) {
fail!("left: {:?} does not approximately equal right: \
{:?} with epsilon: {:?}",
given_val, expected_val, epsilon_val);
}
}
)
)
/// A utility macro for indicating unreachable code. It will fail if
/// executed. This is occasionally useful to put after loops that never
/// terminate normally, but instead directly return from a function.