mod support;
use glam::*;
#[cfg(feature = "rand")]
use rand::{Rng, SeedableRng};
#[cfg(feature = "rand")]
use rand_xoshiro::Xoshiro256Plus;
#[test]
fn test_vec4_align() {
use std::mem;
assert_eq!(16, mem::size_of::<Vec4>());
assert_eq!(16, mem::size_of::<Vec4Mask>());
if cfg!(feature = "scalar-math") {
assert_eq!(4, mem::align_of::<Vec4>());
assert_eq!(4, mem::align_of::<Vec4Mask>());
} else {
assert_eq!(16, mem::align_of::<Vec4>());
assert_eq!(16, mem::align_of::<Vec4Mask>());
}
}
#[test]
fn test_vec4_new() {
let v = vec4(1.0, 2.0, 3.0, 4.0);
assert_eq!(v.x(), 1.0);
assert_eq!(v.y(), 2.0);
assert_eq!(v.z(), 3.0);
assert_eq!(v.w(), 4.0);
let t = (1.0, 2.0, 3.0, 4.0);
let v = Vec4::from(t);
assert_eq!(t, v.into());
let a = [1.0, 2.0, 3.0, 4.0];
let v = Vec4::from(a);
let a1: [f32; 4] = v.into();
assert_eq!(a, a1);
let v = Vec4::new(t.0, t.1, t.2, t.3);
assert_eq!(t, v.into());
assert_eq!(Vec4::new(1.0, 0.0, 0.0, 0.0), Vec4::unit_x());
assert_eq!(Vec4::new(0.0, 1.0, 0.0, 0.0), Vec4::unit_y());
assert_eq!(Vec4::new(0.0, 0.0, 1.0, 0.0), Vec4::unit_z());
assert_eq!(Vec4::new(0.0, 0.0, 0.0, 1.0), Vec4::unit_w());
}
#[test]
fn test_vec4_fmt() {
let a = Vec4::new(1.0, 2.0, 3.0, 4.0);
#[cfg(all(target_feature = "sse2", not(feature = "scalar-math")))]
assert_eq!(format!("{:?}", a), "Vec4(__m128(1.0, 2.0, 3.0, 4.0))");
#[cfg(any(not(target_feature = "sse2"), feature = "scalar-math"))]
assert_eq!(format!("{:?}", a), "Vec4(1.0, 2.0, 3.0, 4.0)");
assert_eq!(format!("{}", a), "[1, 2, 3, 4]");
}
#[test]
fn test_vec4_zero() {
let v = Vec4::zero();
assert_eq!((0.0, 0.0, 0.0, 0.0), v.into());
assert_eq!(v, Vec4::default());
}
#[test]
fn test_vec4_splat() {
let v = Vec4::splat(1.0);
assert_eq!((1.0, 1.0, 1.0, 1.0), v.into());
}
#[test]
fn test_vec4_accessors() {
let mut a = vec4(0.0, 0.0, 0.0, 0.0);
a.set_x(1.0);
a.set_y(2.0);
a.set_z(3.0);
a.set_w(4.0);
assert_eq!(1.0, a.x());
assert_eq!(2.0, a.y());
assert_eq!(3.0, a.z());
assert_eq!(4.0, a.w());
assert_eq!((1.0, 2.0, 3.0, 4.0), a.into());
}
#[test]
fn test_vec4_funcs() {
let x = vec4(1.0, 0.0, 0.0, 0.0);
let y = vec4(0.0, 1.0, 0.0, 0.0);
let z = vec4(0.0, 0.0, 1.0, 0.0);
let w = vec4(0.0, 0.0, 0.0, 1.0);
assert_eq!(1.0, x.dot(x));
assert_eq!(0.0, x.dot(y));
assert_eq!(-1.0, z.dot(-z));
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!(x, (2.0 * x).normalize());
assert_eq!(
1.0 * 5.0 + 2.0 * 6.0 + 3.0 * 7.0 + 4.0 * 8.0,
vec4(1.0, 2.0, 3.0, 4.0).dot(vec4(5.0, 6.0, 7.0, 8.0))
);
assert_eq!(
2.0 * 2.0 + 3.0 * 3.0 + 4.0 * 4.0 + 5.0 * 5.0,
vec4(2.0, 3.0, 4.0, 5.0).length_squared()
);
assert_eq!(
(2.0_f32 * 2.0 + 3.0 * 3.0 + 4.0 * 4.0 + 5.0 * 5.0).sqrt(),
vec4(2.0, 3.0, 4.0, 5.0).length()
);
assert_eq!(
1.0 / (2.0_f32 * 2.0 + 3.0 * 3.0 + 4.0 * 4.0 + 5.0 * 5.0).sqrt(),
vec4(2.0, 3.0, 4.0, 5.0).length_reciprocal()
);
assert!(vec4(2.0, 3.0, 4.0, 5.0).normalize().is_normalized());
assert_approx_eq!(
vec4(2.0, 3.0, 4.0, 5.0) / (2.0_f32 * 2.0 + 3.0 * 3.0 + 4.0 * 4.0 + 5.0 * 5.0).sqrt(),
vec4(2.0, 3.0, 4.0, 5.0).normalize()
);
}
#[test]
fn test_vec4_ops() {
let a = vec4(1.0, 2.0, 3.0, 4.0);
assert_eq!((2.0, 4.0, 6.0, 8.0), (a + a).into());
assert_eq!((0.0, 0.0, 0.0, 0.0), (a - a).into());
assert_eq!((1.0, 4.0, 9.0, 16.0), (a * a).into());
assert_eq!((2.0, 4.0, 6.0, 8.0), (a * 2.0).into());
assert_eq!((2.0, 4.0, 6.0, 8.0), (2.0 * a).into());
assert_eq!((1.0, 1.0, 1.0, 1.0), (a / a).into());
assert_eq!((0.5, 1.0, 1.5, 2.0), (a / 2.0).into());
assert_eq!((-1.0, -2.0, -3.0, -4.0), (-a).into());
}
#[test]
fn test_vec4_assign_ops() {
let a = vec4(1.0, 2.0, 3.0, 4.0);
let mut b = a;
b += a;
assert_eq!((2.0, 4.0, 6.0, 8.0), b.into());
b -= a;
assert_eq!((1.0, 2.0, 3.0, 4.0), b.into());
b *= a;
assert_eq!((1.0, 4.0, 9.0, 16.0), b.into());
b /= a;
assert_eq!((1.0, 2.0, 3.0, 4.0), b.into());
b *= 2.0;
assert_eq!((2.0, 4.0, 6.0, 8.0), b.into());
b /= 2.0;
assert_eq!((1.0, 2.0, 3.0, 4.0), b.into());
}
#[test]
fn test_vec4_min_max() {
let a = vec4(-1.0, 2.0, -3.0, 4.0);
let b = vec4(1.0, -2.0, 3.0, -4.0);
assert_eq!((-1.0, -2.0, -3.0, -4.0), a.min(b).into());
assert_eq!((-1.0, -2.0, -3.0, -4.0), b.min(a).into());
assert_eq!((1.0, 2.0, 3.0, 4.0), a.max(b).into());
assert_eq!((1.0, 2.0, 3.0, 4.0), b.max(a).into());
}
#[test]
fn test_vec4_hmin_hmax() {
let a = vec4(-1.0, 4.0, -3.0, 2.0);
assert_eq!(-3.0, a.min_element());
assert_eq!(4.0, a.max_element());
assert_eq!(3.0, vec4(1.0, 2.0, 3.0, 4.0).truncate().max_element());
assert_eq!(-3.0, vec4(-1.0, -2.0, -3.0, -4.0).truncate().min_element());
}
#[test]
fn test_vec4_eq() {
let a = vec4(1.0, 1.0, 1.0, 1.0);
let b = vec4(1.0, 2.0, 3.0, 4.0);
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());
}
#[test]
fn test_vec4_cmp() {
assert!(!Vec4Mask::default().any());
assert!(!Vec4Mask::default().all());
assert_eq!(Vec4Mask::default().bitmask(), 0x0);
let a = vec4(-1.0, -1.0, -1.0, -1.0);
let b = vec4(1.0, 1.0, 1.0, 1.0);
let c = vec4(-1.0, -1.0, 1.0, 1.0);
let d = vec4(1.0, -1.0, -1.0, 1.0);
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());
}
#[cfg(feature = "rand")]
#[test]
fn test_vec4_rand() {
let mut rng1 = Xoshiro256Plus::seed_from_u64(0);
let a: (f32, f32, f32, f32) = rng1.gen();
let mut rng2 = Xoshiro256Plus::seed_from_u64(0);
let b: Vec4 = rng2.gen();
assert_eq!(a, b.into());
}
#[test]
fn test_vec4_slice() {
let a = [1.0, 2.0, 3.0, 4.0];
let b = Vec4::from_slice_unaligned(&a);
let c: [f32; 4] = b.into();
assert_eq!(a, c);
let mut d = [0.0, 0.0, 0.0, 0.0];
b.write_to_slice_unaligned(&mut d[..]);
assert_eq!(a, d);
}
#[test]
fn test_vec4_sign() {
assert_eq!(Vec4::zero().sign(), Vec4::one());
assert_eq!(-Vec4::zero().sign(), -Vec4::one());
assert_eq!(Vec4::one().sign(), Vec4::one());
assert_eq!((-Vec4::one()).sign(), -Vec4::one());
assert_eq!(Vec4::splat(core::f32::NEG_INFINITY).sign(), -Vec4::one());
}
#[test]
fn test_vec4_abs() {
assert_eq!(Vec4::zero().abs(), Vec4::zero());
assert_eq!(Vec4::one().abs(), Vec4::one());
assert_eq!((-Vec4::one()).abs(), Vec4::one());
}
#[test]
fn test_vec4mask_bitmask() {
assert_eq!(Vec4Mask::new(false, false, false, false).bitmask(), 0b0000);
assert_eq!(Vec4Mask::new(false, false, true, true).bitmask(), 0b1100);
assert_eq!(Vec4Mask::new(true, true, false, false).bitmask(), 0b0011);
assert_eq!(Vec4Mask::new(false, true, false, true).bitmask(), 0b1010);
assert_eq!(Vec4Mask::new(true, false, true, false).bitmask(), 0b0101);
assert_eq!(Vec4Mask::new(true, true, true, true).bitmask(), 0b1111);
}
#[test]
fn test_vec4mask_any() {
assert_eq!(Vec4Mask::new(false, false, false, false).any(), false);
assert_eq!(Vec4Mask::new(true, false, false, false).any(), true);
assert_eq!(Vec4Mask::new(false, true, false, false).any(), true);
assert_eq!(Vec4Mask::new(false, false, true, false).any(), true);
assert_eq!(Vec4Mask::new(false, false, false, true).any(), true);
}
#[test]
fn test_vec4mask_all() {
assert_eq!(Vec4Mask::new(true, true, true, true).all(), true);
assert_eq!(Vec4Mask::new(false, true, true, true).all(), false);
assert_eq!(Vec4Mask::new(true, false, true, true).all(), false);
assert_eq!(Vec4Mask::new(true, true, false, true).all(), false);
assert_eq!(Vec4Mask::new(true, true, true, false).all(), false);
}
#[test]
fn test_vec4mask_select() {
let a = Vec4::new(1.0, 2.0, 3.0, 4.0);
let b = Vec4::new(5.0, 6.0, 7.0, 8.0);
assert_eq!(
Vec4Mask::new(true, true, true, true).select(a, b),
Vec4::new(1.0, 2.0, 3.0, 4.0),
);
assert_eq!(
Vec4Mask::new(true, false, true, false).select(a, b),
Vec4::new(1.0, 6.0, 3.0, 8.0),
);
assert_eq!(
Vec4Mask::new(false, true, false, true).select(a, b),
Vec4::new(5.0, 2.0, 7.0, 4.0),
);
assert_eq!(
Vec4Mask::new(false, false, false, false).select(a, b),
Vec4::new(5.0, 6.0, 7.0, 8.0),
);
}
#[test]
fn test_vec4mask_and() {
assert_eq!(
(Vec4Mask::new(false, false, false, false) & Vec4Mask::new(false, false, false, false))
.bitmask(),
0b0000,
);
assert_eq!(
(Vec4Mask::new(true, true, true, true) & Vec4Mask::new(true, true, true, true)).bitmask(),
0b1111,
);
assert_eq!(
(Vec4Mask::new(true, false, true, false) & Vec4Mask::new(false, true, false, true))
.bitmask(),
0b0000,
);
assert_eq!(
(Vec4Mask::new(true, false, true, true) & Vec4Mask::new(true, true, true, false)).bitmask(),
0b0101,
);
let mut mask = Vec4Mask::new(true, true, false, false);
mask &= Vec4Mask::new(true, false, true, false);
assert_eq!(mask.bitmask(), 0b0001);
}
#[test]
fn test_vec4mask_or() {
assert_eq!(
(Vec4Mask::new(false, false, false, false) | Vec4Mask::new(false, false, false, false))
.bitmask(),
0b0000,
);
assert_eq!(
(Vec4Mask::new(true, true, true, true) | Vec4Mask::new(true, true, true, true)).bitmask(),
0b1111,
);
assert_eq!(
(Vec4Mask::new(true, false, true, false) | Vec4Mask::new(false, true, false, true))
.bitmask(),
0b1111,
);
assert_eq!(
(Vec4Mask::new(true, false, true, false) | Vec4Mask::new(true, false, true, false))
.bitmask(),
0b0101,
);
let mut mask = Vec4Mask::new(true, true, false, false);
mask |= Vec4Mask::new(true, false, true, false);
assert_eq!(mask.bitmask(), 0b0111);
}
#[test]
fn test_vec4mask_not() {
assert_eq!(
(!Vec4Mask::new(false, false, false, false)).bitmask(),
0b1111
);
assert_eq!((!Vec4Mask::new(true, true, true, true)).bitmask(), 0b0000);
assert_eq!((!Vec4Mask::new(true, false, true, false)).bitmask(), 0b1010);
assert_eq!((!Vec4Mask::new(false, true, false, true)).bitmask(), 0b0101);
}
#[cfg(feature = "serde")]
#[test]
fn test_vec4_serde() {
let a = Vec4::new(1.0, 2.0, 3.0, 4.0);
let serialized = serde_json::to_string(&a).unwrap();
assert_eq!(serialized, "[1.0,2.0,3.0,4.0]");
let deserialized = serde_json::from_str(&serialized).unwrap();
assert_eq!(a, deserialized);
let deserialized = serde_json::from_str::<Vec4>("[]");
assert!(deserialized.is_err());
let deserialized = serde_json::from_str::<Vec4>("[1.0]");
assert!(deserialized.is_err());
let deserialized = serde_json::from_str::<Vec4>("[1.0,2.0]");
assert!(deserialized.is_err());
let deserialized = serde_json::from_str::<Vec4>("[1.0,2.0,3.0]");
assert!(deserialized.is_err());
let deserialized = serde_json::from_str::<Vec4>("[1.0,2.0,3.0,4.0,5.0]");
assert!(deserialized.is_err());
}