XMPlaneNormalizeEst function (directxmath.h)
Estimates the coefficients of a plane so that coefficients of x, y, and z form a unit normal vector.
C++
XMVECTOR XM_CALLCONV XMPlaneNormalizeEst(
[in] FXMVECTOR P
) noexcept;
[in] P
XMVECTOR describing the plane coefficients (A, B, C, D) for the plane equation Ax+By+Cz+D=0.
Returns an estimation of the normalized plane as a 4D vector whose components are the plane coefficients (A, B, C, D)
for the plane equation Ax+By+Cz+D=0.
Est functions offer increased performance at the expense of reduced accuracy.
Est functions are appropriate for non-critical calculations where accuracy can be sacrificed for speed.
The exact amount of lost accuracy and speed increase are platform dependent.
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | directxmath.h |