## Uses of Class
com.io7m.jtensors.QuaternionI4D

- Packages that use QuaternionI4D
  Package | Description
  --- | ---
  com.io7m.jtensors | Core vector and matrix types.

- - ### Uses of QuaternionI4D in com.io7m.jtensors

    Fields in com.io7m.jtensors declared as QuaternionI4D
    Modifier and Type | Field and Description
    --- | ---
    `static QuaternionI4D` | QuaternionI4D.`IDENTITY` The "identity" quaternion, [0.0 0.0 0.0 1.0]

    Methods in com.io7m.jtensors that return QuaternionI4D
    Modifier and Type | Method and Description
    --- | ---
    `static QuaternionI4D` | QuaternionI4D.`add(QuaternionReadable4DType q0, QuaternionReadable4DType q1)` Calculate the element-wise sum of the quaternions `q0` and `q1`.
    `static QuaternionI4D` | QuaternionI4D.`conjugate(QuaternionReadable4DType q)` Calculate the conjugate of the input quaternion `q`.
    `static QuaternionI4D` | QuaternionI4D.`interpolateLinear(QuaternionReadable4DType q0, QuaternionReadable4DType q1, double alpha)` Linearly interpolate between `q0` and `q1` by the amount `alpha`, such that: `interpolateLinear(q0, q1, 0.0) = q0` `interpolateLinear(q0, q1, 1.0) = q1`
    `static QuaternionI4D` | QuaternionI4D.`lookAt(QuaternionI4D.Context context, VectorReadable3DType origin, VectorReadable3DType target, VectorReadable3DType up)` Produce a quaternion that represents a rotation that "looks at" the point at `target` assuming the viewer is at `origin`, using `up` as the "up" vector.
    `static QuaternionI4D` | QuaternionI4D.`makeFromAxisAngle(VectorReadable3DType axis, double angle)` Produce a quaternion that represents a rotation of `angle` degrees around the axis specified by `axis`.
    `static QuaternionI4D` | QuaternionI4D.`makeFromRotationMatrix3x3(MatrixReadable3x3DType m)` Produce a quaternion equivalent to the rotation matrix `m`.
    `static QuaternionI4D` | QuaternionI4D.`makeFromRotationMatrix4x4(MatrixReadable4x4DType m)` Produce a quaternion equivalent to the rotation matrix `m`, writing the result to `out`.
    `static QuaternionI4D` | QuaternionI4D.`multiply(QuaternionReadable4DType q0, QuaternionReadable4DType q1)` Multiply the quaternion `q0` by the quaternion `q1` .
    `static QuaternionI4D` | QuaternionI4D.`negate(QuaternionReadable4DType q)` Negate the elements of `q`.
    `static QuaternionI4D` | QuaternionI4D.`normalize(QuaternionReadable4DType q)` Normalize the quaternion `q`, preserqing its direction but reducing it to unit length.
    `static QuaternionI4D` | QuaternionI4D.`scale(QuaternionReadable4DType q, double r)` Scale the quaternion `q` by the scalar `r`.
    `static QuaternionI4D` | QuaternionI4D.`subtract(QuaternionReadable4DType q0, QuaternionReadable4DType q1)` Subtract the quaternion `q0` from the quaternion `q1`.

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