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vec4.rs
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vec4.rs
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#![allow(clippy::excessive_precision)]
#[macro_use]
mod support;
macro_rules! impl_vec4_tests {
($t:ident, $const_new:ident, $new:ident, $vec4:ident, $vec3:ident, $vec2:ident, $mask:ident) => {
glam_test!(test_const, {
const V0: $vec4 = $vec4::splat(1 as $t);
const V1: $vec4 = $vec4::new(1 as $t, 2 as $t, 3 as $t, 4 as $t);
const V2: $vec4 = $vec4::from_array([1 as $t, 2 as $t, 3 as $t, 4 as $t]);
#[allow(deprecated)]
const V3: $vec4 = $const_new!([1 as $t, 2 as $t, 3 as $t, 4 as $t]);
assert_eq!([1 as $t, 1 as $t, 1 as $t, 1 as $t], *V0.as_ref());
assert_eq!([1 as $t, 2 as $t, 3 as $t, 4 as $t], *V1.as_ref());
assert_eq!([1 as $t, 2 as $t, 3 as $t, 4 as $t], *V2.as_ref());
assert_eq!([1 as $t, 2 as $t, 3 as $t, 4 as $t], *V3.as_ref());
});
glam_test!(test_vec4_consts, {
assert_eq!($vec4::ZERO, $new(0 as $t, 0 as $t, 0 as $t, 0 as $t));
assert_eq!($vec4::ONE, $new(1 as $t, 1 as $t, 1 as $t, 1 as $t));
assert_eq!($vec4::X, $new(1 as $t, 0 as $t, 0 as $t, 0 as $t));
assert_eq!($vec4::Y, $new(0 as $t, 1 as $t, 0 as $t, 0 as $t));
assert_eq!($vec4::Z, $new(0 as $t, 0 as $t, 1 as $t, 0 as $t));
assert_eq!($vec4::W, $new(0 as $t, 0 as $t, 0 as $t, 1 as $t));
});
glam_test!(test_new, {
let v = $new(1 as $t, 2 as $t, 3 as $t, 4 as $t);
assert_eq!(v.x, 1 as $t);
assert_eq!(v.y, 2 as $t);
assert_eq!(v.z, 3 as $t);
assert_eq!(v.w, 4 as $t);
let t = (1 as $t, 2 as $t, 3 as $t, 4 as $t);
let v = $vec4::from(t);
assert_eq!(t, v.into());
let a = [1 as $t, 2 as $t, 3 as $t, 4 as $t];
let v = $vec4::from(a);
let a1: [$t; 4] = v.into();
assert_eq!(a, a1);
assert_eq!(a, v.to_array());
assert_eq!(a, *v.as_ref());
let mut v2 = $vec4::default();
*v2.as_mut() = a;
assert_eq!(a, v2.to_array());
let v = $vec4::new(t.0, t.1, t.2, t.3);
assert_eq!(t, v.into());
assert_eq!($vec4::new(1 as $t, 0 as $t, 0 as $t, 0 as $t), $vec4::X);
assert_eq!($vec4::new(0 as $t, 1 as $t, 0 as $t, 0 as $t), $vec4::Y);
assert_eq!($vec4::new(0 as $t, 0 as $t, 1 as $t, 0 as $t), $vec4::Z);
assert_eq!($vec4::new(0 as $t, 0 as $t, 0 as $t, 1 as $t), $vec4::W);
assert_eq!(
v,
$vec4::from(($vec3::new(1 as $t, 2 as $t, 3 as $t), 4 as $t))
);
assert_eq!(
v,
$vec4::from((1 as $t, $vec3::new(2 as $t, 3 as $t, 4 as $t)))
);
assert_eq!(
v,
$vec4::from(($vec2::new(1 as $t, 2 as $t), 3 as $t, 4 as $t))
);
assert_eq!(
v,
$vec4::from(($vec2::new(1 as $t, 2 as $t), $vec2::new(3 as $t, 4 as $t)))
);
});
glam_test!(test_fmt, {
let a = $vec4::new(1 as $t, 2 as $t, 3 as $t, 4 as $t);
assert_eq!(
format!("{:?}", a),
format!(
"{}({:?}, {:?}, {:?}, {:?})",
stringify!($vec4),
a.x,
a.y,
a.z,
a.w
)
);
assert_eq!(
format!("{:#?}", a),
format!(
"{}(\n {:#?},\n {:#?},\n {:#?},\n {:#?},\n)",
stringify!($vec4),
a.x,
a.y,
a.z,
a.w
)
);
assert_eq!(format!("{}", a), "[1, 2, 3, 4]");
});
glam_test!(test_zero, {
let v = $vec4::ZERO;
assert_eq!((0 as $t, 0 as $t, 0 as $t, 0 as $t), v.into());
assert_eq!(v, $vec4::default());
});
glam_test!(test_splat, {
let v = $vec4::splat(1 as $t);
assert_eq!($vec4::ONE, v);
});
glam_test!(test_accessors, {
let mut a = $vec4::ZERO;
a.x = 1 as $t;
a.y = 2 as $t;
a.z = 3 as $t;
a.w = 4 as $t;
assert_eq!(1 as $t, a.x);
assert_eq!(2 as $t, a.y);
assert_eq!(3 as $t, a.z);
assert_eq!(4 as $t, a.w);
assert_eq!((1 as $t, 2 as $t, 3 as $t, 4 as $t), a.into());
let mut a = $vec4::ZERO;
a[0] = 1 as $t;
a[1] = 2 as $t;
a[2] = 3 as $t;
a[3] = 4 as $t;
assert_eq!(1 as $t, a[0]);
assert_eq!(2 as $t, a[1]);
assert_eq!(3 as $t, a[2]);
assert_eq!(4 as $t, a[3]);
assert_eq!((1 as $t, 2 as $t, 3 as $t, 4 as $t), a.into());
});
glam_test!(test_dot_unsigned, {
let x = $new(1 as $t, 0 as $t, 0 as $t, 0 as $t);
let y = $new(0 as $t, 1 as $t, 0 as $t, 0 as $t);
let z = $new(0 as $t, 0 as $t, 1 as $t, 0 as $t);
let w = $new(0 as $t, 0 as $t, 0 as $t, 1 as $t);
assert_eq!(1 as $t, x.dot(x));
assert_eq!(0 as $t, x.dot(y));
assert_eq!(0 as $t, y.dot(z));
assert_eq!(0 as $t, z.dot(w));
});
glam_test!(test_ops, {
let a = $new(2 as $t, 4 as $t, 8 as $t, 16 as $t);
assert_eq!($new(4 as $t, 8 as $t, 16 as $t, 32 as $t), a + a);
assert_eq!($new(2 as $t, 4 as $t, 8 as $t, 16 as $t), 0 as $t + a);
assert_eq!($new(0 as $t, 0 as $t, 0 as $t, 0 as $t), a - a);
assert_eq!($new(14 as $t, 12 as $t, 8 as $t, 0 as $t), 16 as $t - a);
assert_eq!($new(4 as $t, 16 as $t, 64 as $t, 256 as $t), a * a);
assert_eq!($new(4 as $t, 8 as $t, 16 as $t, 32 as $t), a * 2 as $t);
assert_eq!($new(4 as $t, 8 as $t, 16 as $t, 32 as $t), 2 as $t * a);
assert_eq!($new(1 as $t, 1 as $t, 1 as $t, 1 as $t), a / a);
assert_eq!($new(1 as $t, 2 as $t, 4 as $t, 8 as $t), a / 2 as $t);
assert_eq!($new(8 as $t, 4 as $t, 2 as $t, 1 as $t), 16 as $t / a);
assert_eq!($new(0 as $t, 0 as $t, 0 as $t, 0 as $t), a % a);
assert_eq!($new(0 as $t, 1 as $t, 1 as $t, 1 as $t), a % (a - 1 as $t));
assert_eq!($new(0 as $t, 0 as $t, 0 as $t, 0 as $t), a % 1 as $t);
assert_eq!($new(2 as $t, 1 as $t, 2 as $t, 1 as $t), a % 3 as $t);
assert_eq!($new(1 as $t, 1 as $t, 1 as $t, 1 as $t), 17 as $t % a);
assert_eq!($new(2 as $t, 4 as $t, 0 as $t, 0 as $t), a % 8 as $t);
});
glam_test!(test_assign_ops, {
let a = $new(1 as $t, 2 as $t, 3 as $t, 4 as $t);
let mut b = a;
b += 2 as $t;
assert_eq!($new(3 as $t, 4 as $t, 5 as $t, 6 as $t), b);
b -= 2 as $t;
assert_eq!($new(1 as $t, 2 as $t, 3 as $t, 4 as $t), b);
b *= 2 as $t;
assert_eq!($new(2 as $t, 4 as $t, 6 as $t, 8 as $t), b);
b /= 2 as $t;
assert_eq!($new(1 as $t, 2 as $t, 3 as $t, 4 as $t), b);
b %= 2 as $t;
assert_eq!($new(1 as $t, 0 as $t, 1 as $t, 0 as $t), b);
b = a;
b += a;
assert_eq!($new(2 as $t, 4 as $t, 6 as $t, 8 as $t), b);
b -= a;
assert_eq!($new(1 as $t, 2 as $t, 3 as $t, 4 as $t), b);
b *= a;
assert_eq!($new(1 as $t, 4 as $t, 9 as $t, 16 as $t), b);
b /= a;
assert_eq!($new(1 as $t, 2 as $t, 3 as $t, 4 as $t), b);
b *= 2 as $t;
assert_eq!($new(2 as $t, 4 as $t, 6 as $t, 8 as $t), b);
b /= 2 as $t;
assert_eq!($new(1 as $t, 2 as $t, 3 as $t, 4 as $t), b);
b %= (b + 1 as $t);
assert_eq!($new(1 as $t, 2 as $t, 3 as $t, 4 as $t), b);
b %= b;
assert_eq!($new(0 as $t, 0 as $t, 0 as $t, 0 as $t), b);
});
glam_test!(test_min_max, {
let a = $new(4 as $t, 6 as $t, 2 as $t, 8 as $t);
let b = $new(5 as $t, 3 as $t, 7 as $t, 1 as $t);
assert_eq!((4 as $t, 3 as $t, 2 as $t, 1 as $t), a.min(b).into());
assert_eq!((4 as $t, 3 as $t, 2 as $t, 1 as $t), b.min(a).into());
assert_eq!((5 as $t, 6 as $t, 7 as $t, 8 as $t), a.max(b).into());
assert_eq!((5 as $t, 6 as $t, 7 as $t, 8 as $t), b.max(a).into());
});
glam_test!(test_clamp, {
fn vec(x: i32, y: i32, z: i32, w: i32) -> $vec4 {
$vec4::new(x as $t, y as $t, z as $t, w as $t)
}
let min = vec(1, 1, 3, 3);
let max = vec(6, 6, 8, 8);
assert_eq!(vec(0, 0, 0, 0).clamp(min, max), vec(1, 1, 3, 3));
assert_eq!(vec(2, 2, 2, 2).clamp(min, max), vec(2, 2, 3, 3));
assert_eq!(vec(4, 4, 5, 5).clamp(min, max), vec(4, 4, 5, 5));
assert_eq!(vec(6, 6, 6, 6).clamp(min, max), vec(6, 6, 6, 6));
assert_eq!(vec(7, 7, 7, 7).clamp(min, max), vec(6, 6, 7, 7));
assert_eq!(vec(9, 9, 9, 9).clamp(min, max), vec(6, 6, 8, 8));
should_glam_assert!({ $vec4::clamp($vec4::ZERO, $vec4::ONE, $vec4::ZERO) });
});
glam_test!(test_hmin_hmax, {
assert_eq!(
1 as $t,
$new(1 as $t, 2 as $t, 3 as $t, 4 as $t).min_element()
);
assert_eq!(
1 as $t,
$new(4 as $t, 1 as $t, 2 as $t, 3 as $t).min_element()
);
assert_eq!(
1 as $t,
$new(3 as $t, 4 as $t, 1 as $t, 2 as $t).min_element()
);
assert_eq!(
1 as $t,
$new(2 as $t, 3 as $t, 4 as $t, 1 as $t).min_element()
);
assert_eq!(
4 as $t,
$new(1 as $t, 2 as $t, 3 as $t, 4 as $t).max_element()
);
assert_eq!(
4 as $t,
$new(4 as $t, 1 as $t, 2 as $t, 3 as $t).max_element()
);
assert_eq!(
4 as $t,
$new(3 as $t, 4 as $t, 1 as $t, 2 as $t).max_element()
);
assert_eq!(
4 as $t,
$new(2 as $t, 3 as $t, 4 as $t, 1 as $t).max_element()
);
assert_eq!(
3 as $t,
$new(1 as $t, 2 as $t, 3 as $t, 4 as $t)
.truncate()
.max_element()
);
assert_eq!(
2 as $t,
$new(4 as $t, 3 as $t, 2 as $t, 1 as $t)
.truncate()
.min_element()
);
});
glam_test!(test_eq, {
let a = $new(1 as $t, 1 as $t, 1 as $t, 1 as $t);
let b = $new(1 as $t, 2 as $t, 3 as $t, 4 as $t);
assert!(a.cmpeq(a).all());
assert!(b.cmpeq(b).all());
assert!(a.cmpne(b).any());
assert!(b.cmpne(a).any());
assert!(b.cmpeq(a).any());
});
glam_test!(test_cmp, {
assert!(!$mask::default().any());
assert!(!$mask::default().all());
assert_eq!($mask::default().bitmask(), 0x0);
let a = $new(1 as $t, 1 as $t, 1 as $t, 1 as $t);
let b = $new(2 as $t, 2 as $t, 2 as $t, 2 as $t);
let c = $new(1 as $t, 1 as $t, 2 as $t, 2 as $t);
let d = $new(2 as $t, 1 as $t, 1 as $t, 2 as $t);
assert_eq!(a.cmplt(a).bitmask(), 0x0);
assert_eq!(a.cmplt(b).bitmask(), 0xf);
assert_eq!(a.cmplt(c).bitmask(), 0xc);
assert_eq!(c.cmple(a).bitmask(), 0x3);
assert_eq!(a.cmplt(d).bitmask(), 0x9);
assert!(a.cmplt(b).all());
assert!(a.cmplt(c).any());
assert!(a.cmple(b).all());
assert!(a.cmple(a).all());
assert!(b.cmpgt(a).all());
assert!(b.cmpge(a).all());
assert!(b.cmpge(b).all());
assert!(!(a.cmpge(c).all()));
assert!(c.cmple(c).all());
assert!(c.cmpge(c).all());
assert!(a.cmpeq(a).all());
assert!(!a.cmpeq(b).all());
assert!(a.cmpeq(c).any());
assert!(!a.cmpne(a).all());
assert!(a.cmpne(b).all());
assert!(a.cmpne(c).any());
assert!(a == a);
});
glam_test!(test_slice, {
let a = [1 as $t, 2 as $t, 3 as $t, 4 as $t];
let b = $vec4::from_slice(&a);
let c: [$t; 4] = b.into();
assert_eq!(a, c);
let mut d = [0 as $t, 0 as $t, 0 as $t, 0 as $t];
b.write_to_slice(&mut d[..]);
assert_eq!(a, d);
should_panic!({ $vec4::ONE.write_to_slice(&mut [0 as $t; 3]) });
should_panic!({ $vec4::from_slice(&[0 as $t; 3]) });
});
glam_test!(test_mask_into_array_u32, {
assert_eq!(
Into::<[u32; 4]>::into($mask::new(false, false, false, false)),
[0, 0, 0, 0]
);
assert_eq!(
Into::<[u32; 4]>::into($mask::new(false, false, true, true)),
[0, 0, !0, !0]
);
assert_eq!(
Into::<[u32; 4]>::into($mask::new(true, true, false, false)),
[!0, !0, 0, 0]
);
assert_eq!(
Into::<[u32; 4]>::into($mask::new(false, true, false, true)),
[0, !0, 0, !0]
);
assert_eq!(
Into::<[u32; 4]>::into($mask::new(true, false, true, false)),
[!0, 0, !0, 0]
);
assert_eq!(
Into::<[u32; 4]>::into($mask::new(true, true, true, true)),
[!0, !0, !0, !0]
);
});
glam_test!(test_mask_into_array_bool, {
assert_eq!(
Into::<[bool; 4]>::into($mask::new(false, false, false, false)),
[false, false, false, false]
);
assert_eq!(
Into::<[bool; 4]>::into($mask::new(false, false, true, true)),
[false, false, true, true]
);
assert_eq!(
Into::<[bool; 4]>::into($mask::new(true, true, false, false)),
[true, true, false, false]
);
assert_eq!(
Into::<[bool; 4]>::into($mask::new(false, true, false, true)),
[false, true, false, true]
);
assert_eq!(
Into::<[bool; 4]>::into($mask::new(true, false, true, false)),
[true, false, true, false]
);
assert_eq!(
Into::<[bool; 4]>::into($mask::new(true, true, true, true)),
[true, true, true, true]
);
});
glam_test!(test_mask_splat, {
assert_eq!($mask::splat(false), $mask::new(false, false, false, false));
assert_eq!($mask::splat(true), $mask::new(true, true, true, true));
});
glam_test!(test_mask_bitmask, {
assert_eq!($mask::new(false, false, false, false).bitmask(), 0b0000);
assert_eq!($mask::new(false, false, true, true).bitmask(), 0b1100);
assert_eq!($mask::new(true, true, false, false).bitmask(), 0b0011);
assert_eq!($mask::new(false, true, false, true).bitmask(), 0b1010);
assert_eq!($mask::new(true, false, true, false).bitmask(), 0b0101);
assert_eq!($mask::new(true, true, true, true).bitmask(), 0b1111);
});
glam_test!(test_mask_any, {
assert_eq!($mask::new(false, false, false, false).any(), false);
assert_eq!($mask::new(true, false, false, false).any(), true);
assert_eq!($mask::new(false, true, false, false).any(), true);
assert_eq!($mask::new(false, false, true, false).any(), true);
assert_eq!($mask::new(false, false, false, true).any(), true);
});
glam_test!(test_mask_all, {
assert_eq!($mask::new(true, true, true, true).all(), true);
assert_eq!($mask::new(false, true, true, true).all(), false);
assert_eq!($mask::new(true, false, true, true).all(), false);
assert_eq!($mask::new(true, true, false, true).all(), false);
assert_eq!($mask::new(true, true, true, false).all(), false);
});
glam_test!(test_mask_select, {
let a = $vec4::new(1 as $t, 2 as $t, 3 as $t, 4 as $t);
let b = $vec4::new(5 as $t, 6 as $t, 7 as $t, 8 as $t);
assert_eq!(
$vec4::select($mask::new(true, true, true, true), a, b),
$vec4::new(1 as $t, 2 as $t, 3 as $t, 4 as $t),
);
assert_eq!(
$vec4::select($mask::new(true, false, true, false), a, b),
$vec4::new(1 as $t, 6 as $t, 3 as $t, 8 as $t),
);
assert_eq!(
$vec4::select($mask::new(false, true, false, true), a, b),
$vec4::new(5 as $t, 2 as $t, 7 as $t, 4 as $t),
);
assert_eq!(
$vec4::select($mask::new(false, false, false, false), a, b),
$vec4::new(5 as $t, 6 as $t, 7 as $t, 8 as $t),
);
});
glam_test!(test_mask_and, {
assert_eq!(
($mask::new(false, false, false, false) & $mask::new(false, false, false, false))
.bitmask(),
0b0000,
);
assert_eq!(
($mask::new(true, true, true, true) & $mask::new(true, true, true, true)).bitmask(),
0b1111,
);
assert_eq!(
($mask::new(true, false, true, false) & $mask::new(false, true, false, true))
.bitmask(),
0b0000,
);
assert_eq!(
($mask::new(true, false, true, true) & $mask::new(true, true, true, false))
.bitmask(),
0b0101,
);
let mut mask = $mask::new(true, true, false, false);
mask &= $mask::new(true, false, true, false);
assert_eq!(mask.bitmask(), 0b0001);
});
glam_test!(test_mask_or, {
assert_eq!(
($mask::new(false, false, false, false) | $mask::new(false, false, false, false))
.bitmask(),
0b0000,
);
assert_eq!(
($mask::new(true, true, true, true) | $mask::new(true, true, true, true)).bitmask(),
0b1111,
);
assert_eq!(
($mask::new(true, false, true, false) | $mask::new(false, true, false, true))
.bitmask(),
0b1111,
);
assert_eq!(
($mask::new(true, false, true, false) | $mask::new(true, false, true, false))
.bitmask(),
0b0101,
);
let mut mask = $mask::new(true, true, false, false);
mask |= $mask::new(true, false, true, false);
assert_eq!(mask.bitmask(), 0b0111);
});
glam_test!(test_mask_xor, {
assert_eq!(
($mask::new(false, false, false, false) ^ $mask::new(false, false, false, false))
.bitmask(),
0b0000,
);
assert_eq!(
($mask::new(true, true, true, true) ^ $mask::new(true, true, true, true)).bitmask(),
0b0000,
);
assert_eq!(
($mask::new(true, false, true, false) ^ $mask::new(false, true, false, true))
.bitmask(),
0b1111,
);
assert_eq!(
($mask::new(true, false, true, false) ^ $mask::new(true, false, true, false))
.bitmask(),
0b0000,
);
let mut mask = $mask::new(true, true, false, false);
mask ^= $mask::new(true, false, true, false);
assert_eq!(mask.bitmask(), 0b0110);
});
glam_test!(test_mask_not, {
assert_eq!((!$mask::new(false, false, false, false)).bitmask(), 0b1111);
assert_eq!((!$mask::new(true, true, true, true)).bitmask(), 0b0000);
assert_eq!((!$mask::new(true, false, true, false)).bitmask(), 0b1010);
assert_eq!((!$mask::new(false, true, false, true)).bitmask(), 0b0101);
});
glam_test!(test_mask_fmt, {
let a = $mask::new(true, false, true, false);
assert_eq!(format!("{}", a), "[true, false, true, false]");
assert_eq!(
format!("{:?}", a),
format!("{}(0xffffffff, 0x0, 0xffffffff, 0x0)", stringify!($mask))
);
});
glam_test!(test_mask_eq, {
let a = $mask::new(true, false, true, false);
let b = $mask::new(true, false, true, false);
let c = $mask::new(false, true, true, false);
assert_eq!(a, b);
assert_eq!(b, a);
assert_ne!(a, c);
assert_ne!(b, c);
});
glam_test!(test_mask_hash, {
use std::collections::hash_map::DefaultHasher;
use std::hash::Hash;
use std::hash::Hasher;
let a = $mask::new(true, false, true, false);
let b = $mask::new(true, false, true, false);
let c = $mask::new(false, true, true, false);
let mut hasher = DefaultHasher::new();
a.hash(&mut hasher);
let a_hashed = hasher.finish();
let mut hasher = DefaultHasher::new();
b.hash(&mut hasher);
let b_hashed = hasher.finish();
let mut hasher = DefaultHasher::new();
c.hash(&mut hasher);
let c_hashed = hasher.finish();
assert_eq!(a, b);
assert_eq!(a_hashed, b_hashed);
assert_ne!(a, c);
assert_ne!(a_hashed, c_hashed);
});
glam_test!(test_to_from_slice, {
let v = $vec4::new(1 as $t, 2 as $t, 3 as $t, 4 as $t);
let mut a = [0 as $t, 0 as $t, 0 as $t, 0 as $t];
v.write_to_slice(&mut a);
assert_eq!(v, $vec4::from_slice(&a));
});
glam_test!(test_sum, {
let one = $vec4::ONE;
assert_eq!(vec![one, one].iter().sum::<$vec4>(), one + one);
assert_eq!(vec![one, one].into_iter().sum::<$vec4>(), one + one);
});
glam_test!(test_product, {
let two = $vec4::new(2 as $t, 2 as $t, 2 as $t, 2 as $t);
assert_eq!(vec![two, two].iter().product::<$vec4>(), two * two);
assert_eq!(vec![two, two].into_iter().product::<$vec4>(), two * two);
});
};
}
macro_rules! impl_vec4_signed_tests {
($t:ident, $const_new:ident, $new:ident, $vec4:ident, $vec3:ident, $vec2:ident, $mask:ident) => {
impl_vec4_tests!($t, $const_new, $new, $vec4, $vec3, $vec2, $mask);
glam_test!(test_neg, {
let a = $new(1 as $t, 2 as $t, 3 as $t, 4 as $t);
assert_eq!((-1 as $t, -2 as $t, -3 as $t, -4 as $t), (-a).into());
assert_eq!(
$new(-0.0 as $t, -0.0 as $t, -0.0 as $t, -0.0 as $t),
-$new(0.0 as $t, 0.0 as $t, 0.0 as $t, 0.0 as $t)
);
assert_eq!(
$new(0.0 as $t, -0.0 as $t, -0.0 as $t, -0.0 as $t),
-$new(-0.0 as $t, 0.0 as $t, 0.0 as $t, 0.0 as $t)
);
});
glam_test!(test_dot_signed, {
let x = $new(1 as $t, 0 as $t, 0 as $t, 0 as $t);
let y = $new(0 as $t, 1 as $t, 0 as $t, 0 as $t);
let z = $new(0 as $t, 0 as $t, 1 as $t, 0 as $t);
let w = $new(0 as $t, 0 as $t, 0 as $t, 1 as $t);
assert_eq!(1 as $t, x.dot(x));
assert_eq!(0 as $t, x.dot(y));
assert_eq!(0 as $t, x.dot(-z));
assert_eq!(-1 as $t, w.dot(-w));
});
};
}
macro_rules! impl_vec4_eq_hash_tests {
($t:ident, $new:ident) => {
glam_test!(test_ve2_hash, {
use std::collections::hash_map::DefaultHasher;
use std::hash::Hash;
use std::hash::Hasher;
let a = $new(1 as $t, 2 as $t, 3 as $t, 4 as $t);
let b = $new(1 as $t, 2 as $t, 3 as $t, 4 as $t);
let c = $new(3 as $t, 2 as $t, 1 as $t, 4 as $t);
let mut hasher = DefaultHasher::new();
a.hash(&mut hasher);
let a_hashed = hasher.finish();
let mut hasher = DefaultHasher::new();
b.hash(&mut hasher);
let b_hashed = hasher.finish();
let mut hasher = DefaultHasher::new();
c.hash(&mut hasher);
let c_hashed = hasher.finish();
assert_eq!(a, b);
assert_eq!(a_hashed, b_hashed);
assert_ne!(a, c);
assert_ne!(a_hashed, c_hashed);
});
};
}
macro_rules! impl_vec4_float_tests {
($t:ident, $const_new:ident, $new:ident, $vec4:ident, $vec3:ident, $vec2:ident, $mask:ident) => {
impl_vec4_signed_tests!($t, $const_new, $new, $vec4, $vec3, $vec2, $mask);
impl_vec_float_normalize_tests!($t, $vec4);
use core::$t::INFINITY;
use core::$t::NAN;
use core::$t::NEG_INFINITY;
glam_test!(test_vec4_nan, {
assert!($vec4::NAN.is_nan());
assert!(!$vec4::NAN.is_finite());
});
glam_test!(test_funcs, {
let x = $new(1.0, 0.0, 0.0, 0.0);
let y = $new(0.0, 1.0, 0.0, 0.0);
let z = $new(0.0, 0.0, 1.0, 0.0);
let w = $new(0.0, 0.0, 0.0, 1.0);
assert_eq!(4.0, (2.0 * x).length_squared());
assert_eq!(9.0, (-3.0 * y).length_squared());
assert_eq!(16.0, (4.0 * z).length_squared());
assert_eq!(64.0, (8.0 * w).length_squared());
assert_eq!(2.0, (-2.0 * x).length());
assert_eq!(3.0, (3.0 * y).length());
assert_eq!(4.0, (-4.0 * z).length());
assert_eq!(5.0, (-5.0 * w).length());
assert_eq!(2.0, x.distance_squared(y));
assert_eq!(13.0, (2.0 * x).distance_squared(-3.0 * z));
assert_eq!((2.0 as $t).sqrt(), w.distance(y));
assert_eq!(5.0, (3.0 * x).distance(-4.0 * y));
assert_eq!(13.0, (-5.0 * w).distance(12.0 * y));
assert_eq!(x, (2.0 * x).normalize());
assert_eq!(
1.0 * 5.0 + 2.0 * 6.0 + 3.0 * 7.0 + 4.0 * 8.0,
$new(1.0, 2.0, 3.0, 4.0).dot($new(5.0, 6.0, 7.0, 8.0))
);
assert_eq!(
$new(28.0, 28.0, 28.0, 28.0),
$new(0.0, 5.0, 3.0, 6.0).dot_into_vec($new(7.0, 2.0, 4.0, 1.0))
);
assert_eq!(
2.0 * 2.0 + 3.0 * 3.0 + 4.0 * 4.0 + 5.0 * 5.0,
$new(2.0, 3.0, 4.0, 5.0).length_squared()
);
assert_eq!(
(2.0 as $t * 2.0 + 3.0 * 3.0 + 4.0 * 4.0 + 5.0 * 5.0).sqrt(),
$new(2.0, 3.0, 4.0, 5.0).length()
);
assert_eq!(
1.0 / (2.0 as $t * 2.0 + 3.0 * 3.0 + 4.0 * 4.0 + 5.0 * 5.0).sqrt(),
$new(2.0, 3.0, 4.0, 5.0).length_recip()
);
assert!($new(2.0, 3.0, 4.0, 5.0).normalize().is_normalized());
assert_approx_eq!(
$new(2.0, 3.0, 4.0, 5.0)
/ (2.0 as $t * 2.0 + 3.0 * 3.0 + 4.0 * 4.0 + 5.0 * 5.0).sqrt(),
$new(2.0, 3.0, 4.0, 5.0).normalize()
);
assert_eq!(
$new(0.5, 0.25, 0.125, 0.0625),
$new(2.0, 4.0, 8.0, 16.0).recip()
);
});
glam_test!(test_project_reject, {
assert_eq!(
$new(0.0, 0.0, 0.0, 1.0),
$new(0.0, 1.0, 0.0, 1.0).project_onto($new(0.0, 0.0, 0.0, 2.0))
);
assert_eq!(
$new(0.0, 1.0, 0.0, 0.0),
$new(0.0, 1.0, 0.0, 1.0).reject_from($new(0.0, 0.0, 0.0, 2.0))
);
assert_eq!(
$new(0.0, 0.0, 0.0, 1.0),
$new(0.0, 1.0, 0.0, 1.0).project_onto_normalized($new(0.0, 0.0, 0.0, 1.0))
);
assert_eq!(
$new(0.0, 1.0, 0.0, 0.0),
$new(0.0, 1.0, 0.0, 1.0).reject_from_normalized($new(0.0, 0.0, 0.0, 1.0))
);
should_glam_assert!({ $vec4::ONE.project_onto($vec4::ZERO) });
should_glam_assert!({ $vec4::ONE.reject_from($vec4::ZERO) });
should_glam_assert!({ $vec4::ONE.project_onto_normalized($vec4::ONE) });
should_glam_assert!({ $vec4::ONE.reject_from_normalized($vec4::ONE) });
});
glam_test!(test_signum, {
assert_eq!($vec4::ZERO.signum(), $vec4::ONE);
assert_eq!((-$vec4::ZERO).signum(), -$vec4::ONE);
assert_eq!($vec4::ONE.signum(), $vec4::ONE);
assert_eq!((-$vec4::ONE).signum(), -$vec4::ONE);
assert_eq!($vec4::splat(INFINITY).signum(), $vec4::ONE);
assert_eq!($vec4::splat(NEG_INFINITY).signum(), -$vec4::ONE);
assert!($vec4::splat(NAN).signum().is_nan_mask().all());
});
glam_test!(test_is_negative_bitmask, {
assert_eq!($vec4::ZERO.is_negative_bitmask(), 0b0000);
assert_eq!((-$vec4::ZERO).is_negative_bitmask(), 0b1111);
assert_eq!($vec4::ONE.is_negative_bitmask(), 0b0000);
assert_eq!((-$vec4::ONE).is_negative_bitmask(), 0b1111);
assert_eq!(
$vec4::new(-0.1, 0.2, 0.3, -0.4).is_negative_bitmask(),
0b1001
);
assert_eq!(
$vec4::new(0.8, 0.3, 0.1, -0.0).is_negative_bitmask(),
0b1000
);
assert_eq!(
$vec4::new(0.1, 0.5, -0.3, 0.7).is_negative_bitmask(),
0b0100
);
assert_eq!(
$vec4::new(0.3, -0.4, 0.1, 0.6).is_negative_bitmask(),
0b0010
);
assert_eq!(
$vec4::new(0.2, -0.6, 0.5, -0.3).is_negative_bitmask(),
0b1010
);
});
glam_test!(test_abs, {
assert_eq!($vec4::ZERO.abs(), $vec4::ZERO);
assert_eq!($vec4::ONE.abs(), $vec4::ONE);
assert_eq!((-$vec4::ONE).abs(), $vec4::ONE);
});
glam_test!(test_round, {
assert_eq!($vec4::new(1.35, 0.0, 0.0, 0.0).round().x, 1.0);
assert_eq!($vec4::new(0.0, 1.5, 0.0, 0.0).round().y, 2.0);
assert_eq!($vec4::new(0.0, 0.0, -15.5, 0.0).round().z, -16.0);
assert_eq!($vec4::new(0.0, 0.0, 0.0, 0.0).round().z, 0.0);
assert_eq!($vec4::new(0.0, 21.1, 0.0, 0.0).round().y, 21.0);
assert_eq!($vec4::new(0.0, 0.0, 0.0, 11.123).round().w, 11.0);
assert_eq!($vec4::new(0.0, 0.0, 11.501, 0.0).round().z, 12.0);
assert_eq!(
$vec4::new(NEG_INFINITY, INFINITY, 1.0, -1.0).round(),
$vec4::new(NEG_INFINITY, INFINITY, 1.0, -1.0)
);
assert!($vec4::new(NAN, 0.0, 0.0, 1.0).round().x.is_nan());
});
glam_test!(test_floor, {
assert_eq!(
$vec4::new(1.35, 1.5, -1.5, 1.999).floor(),
$vec4::new(1.0, 1.0, -2.0, 1.0)
);
assert_eq!(
$vec4::new(INFINITY, NEG_INFINITY, 0.0, 0.0).floor(),
$vec4::new(INFINITY, NEG_INFINITY, 0.0, 0.0)
);
assert!($vec4::new(0.0, NAN, 0.0, 0.0).floor().y.is_nan());
assert_eq!(
$vec4::new(-0.0, -2000000.123, 10000000.123, 1000.9).floor(),
$vec4::new(-0.0, -2000001.0, 10000000.0, 1000.0)
);
});
glam_test!(test_fract, {
assert_approx_eq!(
$vec4::new(1.35, 1.5, -1.5, 1.999).fract(),
$vec4::new(0.35, 0.5, 0.5, 0.999)
);
assert_approx_eq!(
$vec4::new(-0.0, -200000.123, 1000000.123, 1000.9).fract(),
$vec4::new(0.0, 0.877, 0.123, 0.9),
0.002
);
});
glam_test!(test_ceil, {
assert_eq!(
$vec4::new(1.35, 1.5, -1.5, 1234.1234).ceil(),
$vec4::new(2.0, 2.0, -1.0, 1235.0)
);
assert_eq!(
$vec4::new(INFINITY, NEG_INFINITY, 0.0, 0.0).ceil(),
$vec4::new(INFINITY, NEG_INFINITY, 0.0, 0.0)
);
assert!($vec4::new(0.0, 0.0, NAN, 0.0).ceil().z.is_nan());
assert_eq!(
$vec4::new(-1234.1234, -2000000.123, 1000000.123, 1000.9).ceil(),
$vec4::new(-1234.0, -2000000.0, 1000001.0, 1001.0)
);
});
glam_test!(test_lerp, {
let v0 = $vec4::new(-1.0, -1.0, -1.0, -1.0);
let v1 = $vec4::new(1.0, 1.0, 1.0, 1.0);
assert_approx_eq!(v0, v0.lerp(v1, 0.0));
assert_approx_eq!(v1, v0.lerp(v1, 1.0));
assert_approx_eq!($vec4::ZERO, v0.lerp(v1, 0.5));
});
glam_test!(test_is_finite, {
assert!($vec4::new(0.0, 0.0, 0.0, 0.0).is_finite());
assert!($vec4::new(-1e-10, 1.0, 1e10, 42.0).is_finite());
assert!(!$vec4::new(INFINITY, 0.0, 0.0, 0.0).is_finite());
assert!(!$vec4::new(0.0, NAN, 0.0, 0.0).is_finite());
assert!(!$vec4::new(0.0, 0.0, NEG_INFINITY, 0.0).is_finite());
assert!(!$vec4::new(0.0, 0.0, 0.0, NAN).is_finite());
});
glam_test!(test_powf, {
assert_eq!(
$vec4::new(2.0, 4.0, 8.0, 16.0).powf(2.0),
$vec4::new(4.0, 16.0, 64.0, 256.0)
);
});
glam_test!(test_exp, {
assert_approx_eq!(
$vec4::new(1.0, 2.0, 3.0, 4.0).exp(),
$vec4::new(
(1.0 as $t).exp(),
(2.0 as $t).exp(),
(3.0 as $t).exp(),
(4.0 as $t).exp()
),
1e-5
);
});
glam_test!(test_clamp_length, {
// Too long gets shortened
assert_eq!(
$vec4::new(12.0, 16.0, 0.0, 0.0).clamp_length(7.0, 10.0),
$vec4::new(6.0, 8.0, 0.0, 0.0) // shortened to length 10.0
);
// In the middle is unchanged
assert_eq!(
$vec4::new(2.0, 1.0, 0.0, 0.0).clamp_length(0.5, 5.0),
$vec4::new(2.0, 1.0, 0.0, 0.0) // unchanged
);
// Too short gets lengthened
assert_eq!(
$vec4::new(0.6, 0.8, 0.0, 0.0).clamp_length(10.0, 20.0),
$vec4::new(6.0, 8.0, 0.0, 0.0) // lengthened to length 10.0
);
should_glam_assert!({ $vec4::ONE.clamp_length(1.0, 0.0) });
});
glam_test!(test_clamp_length_max, {
// Too long gets shortened
assert_eq!(
$vec4::new(12.0, 16.0, 0.0, 0.0).clamp_length_max(10.0),
$vec4::new(6.0, 8.0, 0.0, 0.0) // shortened to length 10.0
);
// Not too long is unchanged
assert_eq!(
$vec4::new(2.0, 1.0, 0.0, 0.0).clamp_length_max(5.0),
$vec4::new(2.0, 1.0, 0.0, 0.0) // unchanged
);
});
glam_test!(test_clamp_length_min, {
// Not too short is unchanged
assert_eq!(
$vec4::new(2.0, 1.0, 0.0, 0.0).clamp_length_min(0.5),
$vec4::new(2.0, 1.0, 0.0, 0.0) // unchanged
);
// Too short gets lengthened
assert_eq!(
$vec4::new(0.6, 0.8, 0.0, 0.0).clamp_length_min(10.0),
$vec4::new(6.0, 8.0, 0.0, 0.0) // lengthened to length 10.0
);
});
glam_test!(test_mul_add, {
assert_eq!(
$vec4::new(1.0, 1.0, 1.0, 1.0).mul_add(
$vec4::new(0.5, 2.0, -4.0, 0.0),
$vec4::new(-1.0, -1.0, -1.0, -1.0)
),
$vec4::new(-0.5, 1.0, -5.0, -1.0)
);
});
};
}
macro_rules! impl_vec4_scalar_shift_op_test {
($vec4:ident, $t_min:literal, $t_max:literal, $rhs_min:literal, $rhs_max:literal) => {
glam_test!(test_vec4_scalar_shift_ops, {
for x in $t_min..$t_max {
for y in $t_min..$t_max {
for z in $t_min..$t_max {
for w in $t_min..$t_max {
for rhs in $rhs_min..$rhs_max {
assert_eq!(
$vec4::new(x, y, z, w) << rhs,
$vec4::new(x << rhs, y << rhs, z << rhs, w << rhs)
);
assert_eq!(
$vec4::new(x, y, z, w) >> rhs,
$vec4::new(x >> rhs, y >> rhs, z >> rhs, w >> rhs)
);
}
}
}
}
}
});
};
}
macro_rules! impl_vec4_scalar_shift_op_tests {
($vec4:ident, $t_min:literal, $t_max:literal) => {
mod shift_by_i8 {
use glam::$vec4;
impl_vec4_scalar_shift_op_test!($vec4, $t_min, $t_max, 0i8, 2);
}
mod shift_by_i16 {
use glam::$vec4;
impl_vec4_scalar_shift_op_test!($vec4, $t_min, $t_max, 0i16, 2);
}
mod shift_by_i32 {
use glam::$vec4;
impl_vec4_scalar_shift_op_test!($vec4, $t_min, $t_max, 0i32, 2);
}
mod shift_by_u8 {
use glam::$vec4;
impl_vec4_scalar_shift_op_test!($vec4, $t_min, $t_max, 0u8, 2);
}
mod shift_by_u16 {
use glam::$vec4;
impl_vec4_scalar_shift_op_test!($vec4, $t_min, $t_max, 0u16, 2);
}
mod shift_by_u32 {
use glam::$vec4;
impl_vec4_scalar_shift_op_test!($vec4, $t_min, $t_max, 0u32, 2);
}
};
}
macro_rules! impl_vec4_shift_op_test {
($vec4:ident, $rhs:ident, $t_min:literal, $t_max:literal) => {
glam_test!(test_vec4_shift_ops, {
for x1 in $t_min..$t_max {
for y1 in $t_min..$t_max {
for z1 in $t_min..$t_max {
for w1 in $t_min..$t_max {
for x2 in $t_min..$t_max {