Files
addr2line
adler
adler32
ahash
aho_corasick
angle
approx
backtrace
bitflags
blender
bytemuck
byteorder
case
cast_trait
cfg_if
chrono
color
color_quant
const_fn
crc32fast
crossbeam
crossbeam_channel
crossbeam_deque
crossbeam_epoch
crossbeam_queue
crossbeam_skiplist
crossbeam_utils
darling
darling_core
darling_macro
dds
deflate
densevec
derive_builder
derive_builder_core
dot
downcast_rs
dual_quat
either
erased_serde
failure
failure_derive
fixedbitset
float_cmp
fnv
freeimage
freeimage_sys
freetype
freetype_gl_sys
freetype_sys
freetypegl
futures
futures_channel
futures_core
futures_executor
futures_io
futures_macro
futures_sink
futures_task
futures_util
async_await
future
io
lock
sink
stream
task
fxhash
generational_arena
generic_array
getrandom
gif
gimli
glfw
glfw_sys
glin
glin_derive
glsl
half
harfbuzz
harfbuzz_ft_sys
harfbuzz_sys
hashbrown
human_sort
ident_case
image
indexmap
instant
itertools
itoa
jpeg_decoder
lazy_static
libc
libm
lock_api
log
lut_parser
matrixmultiply
memchr
memoffset
meshopt
miniz_oxide
monotonic_clock
mopa
mutiny_derive
na
nalgebra
base
geometry
linalg
ncollide3d
bounding_volume
interpolation
partitioning
pipeline
procedural
query
algorithms
closest_points
contact
distance
nonlinear_time_of_impact
point
proximity
ray
time_of_impact
visitors
shape
transformation
utils
nom
num_complex
num_cpus
num_integer
num_iter
num_rational
num_traits
numext_constructor
numext_fixed_uint
numext_fixed_uint_core
numext_fixed_uint_hack
object
once_cell
parking_lot
parking_lot_core
pathfinding
pennereq
petgraph
pin_project_lite
pin_utils
png
polygon2
ppv_lite86
proc_macro2
proc_macro_crate
proc_macro_hack
proc_macro_nested
quote
rand
rand_chacha
rand_core
rand_distr
raw_window_handle
rawpointer
rayon
rayon_core
rect_packer
regex
regex_syntax
retain_mut
rin
rin_app
rin_blender
rin_core
rin_gl
rin_graphics
rin_gui
rin_material
rin_math
rin_postpo
rin_scene
rin_util
rin_window
rinblender
rinecs
rinecs_derive
rinecs_derive_utils
ringui_derive
rustc_demangle
rusty_pool
ryu
scopeguard
seitan
seitan_derive
semver
semver_parser
serde
serde_derive
serde_json
shaderdata_derive
simba
slab
slice_of_array
slotmap
smallvec
std140_data
streaming_iterator
strsim
syn
synstructure
thiserror
thiserror_impl
thread_local
tiff
time
toml
typenum
unchecked_unwrap
unicode_xid
vec2
vec3
weezl
x11
zlib_sys
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
use crate::{DualQuaternion, Quaternion, SimdRealField};

impl<N: SimdRealField> DualQuaternion<N> {
    /// Creates a dual quaternion from its rotation and translation components.
    ///
    /// # Example
    /// ```
    /// # use nalgebra::{DualQuaternion, Quaternion};
    /// let rot = Quaternion::new(1.0, 2.0, 3.0, 4.0);
    /// let trans = Quaternion::new(5.0, 6.0, 7.0, 8.0);
    ///
    /// let dq = DualQuaternion::from_real_and_dual(rot, trans);
    /// assert_eq!(dq.real.w, 1.0);
    /// ```
    #[inline]
    pub fn from_real_and_dual(real: Quaternion<N>, dual: Quaternion<N>) -> Self {
        Self { real, dual }
    }
    /// The dual quaternion multiplicative identity
    ///
    /// # Example
    ///
    /// ```
    /// # use nalgebra::{DualQuaternion, Quaternion};
    ///
    /// let dq1 = DualQuaternion::identity();
    /// let dq2 = DualQuaternion::from_real_and_dual(
    ///     Quaternion::new(1.,2.,3.,4.),
    ///     Quaternion::new(5.,6.,7.,8.)
    /// );
    ///
    /// assert_eq!(dq1 * dq2, dq2);
    /// assert_eq!(dq2 * dq1, dq2);
    /// ```
    #[inline]
    pub fn identity() -> Self {
        Self::from_real_and_dual(
            Quaternion::from_real(N::one()),
            Quaternion::from_real(N::zero()),
        )
    }
}