XMQuaternionExp

Computes the exponential of a given pure quaternion.

Syntax

XMVECTOR XMQuaternionExp(
         XMVECTOR Q
)  

Parameters

Q
Type: XMVECTOR 

Pure quaternion for which to compute the exponential. The w-component of the input quaternion is ignored in the calculation.

Return value

Type: XMVECTOR 

Returns the exponential of Q.

Remarks

The DirectXMath quaternion functions use an XMVECTOR 4-vector to represent quaternions, where the X, Y, and Z components are the vector part and the W component is the scalar part.

Requirements

Header: Declared in directxmath.h.