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/// Macro used for fuzzy equal assertions.
#[macro_export]
macro_rules! assert_fuzzy_eq {
($left:expr, $right:expr) => {{
#[allow(unused_imports)]
use $crate::core::traits::*;
match (&$left, &$right) {
(left_val, right_val) => {
if !(left_val.fuzzy_eq(*right_val)) {
panic!(
r#"assertion failed: `left.fuzzy_eq(right)`
left: `{:?}`,
right: `{:?}`"#,
&*left_val, &*right_val
)
}
}
}
}};
($left:expr, $right:expr, $eps:expr) => {{
#[allow(unused_imports)]
use $crate::core::traits::*;
match (&$left, &$right, &$eps) {
(left_val, right_val, eps_val) => {
if !(left_val.fuzzy_eq_eps(*right_val, *eps_val)) {
panic!(
r#"assertion failed: `left.fuzzy_eq_eps(right, eps)`
left: `{:?}`,
right: `{:?}`
eps: `{:?}`"#,
&*left_val, &*right_val, &*eps_val
)
}
}
}
}};
}
/// Macro used for implementing pline macros. Used for extracting macro repetition count for
/// reserving capacity up front.
#[doc(hidden)]
#[macro_export]
macro_rules! replace_expr {
($_t:tt $sub:expr) => {
$sub
};
}
/// Construct a open polyline with the vertexes given as a list of (x, y, bulge) tuples.
///
/// # Examples
///
/// ```
/// # use cavalier_contours::pline_open;
/// # use cavalier_contours::polyline::*;
/// let polyline = pline_open![(0.0, 1.0, 1.0), (2.0, 0.0, 0.0)];
/// assert!(!polyline.is_closed());
/// assert_eq!(polyline[0], PlineVertex::new(0.0, 1.0, 1.0));
/// assert_eq!(polyline[1], PlineVertex::new(2.0, 0.0, 0.0));
/// ```
#[macro_export]
macro_rules! pline_open {
($( $x:expr ),* $(,)?) => {
{
#[allow(unused_imports)]
use $crate::polyline::*;
let size = <[()]>::len(&[$(cavalier_contours::replace_expr!(($x) ())),*]);
let mut pl = Polyline::with_capacity(size, false);
$(
pl.add($x.0, $x.1, $x.2);
)*
pl
}
};
}
/// Construct a closed polyline with the vertexes given as a list of (x, y, bulge) tuples.
///
/// # Examples
///
/// ```
/// # use cavalier_contours::pline_closed;
/// # use cavalier_contours::polyline::*;
/// let polyline = pline_closed![(0.0, 1.0, 1.0), (2.0, 0.0, 0.0)];
/// assert!(polyline.is_closed());
/// assert_eq!(polyline[0], PlineVertex::new(0.0, 1.0, 1.0));
/// assert_eq!(polyline[1], PlineVertex::new(2.0, 0.0, 0.0));
/// ```
#[macro_export]
macro_rules! pline_closed {
($( $x:expr ),* $(,)?) => {
{
#[allow(unused_imports)]
use $crate::polyline::*;
let size = <[()]>::len(&[$(cavalier_contours::replace_expr!(($x) ())),*]);
let mut pl = Polyline::with_capacity(size, true);
$(
pl.add($x.0, $x.1, $x.2);
)*
pl
}
};
}