XMVectorTruncate function (directxmath.h)
Rounds each component of a vector to the nearest integer value in the direction of zero.
Syntax
XMVECTOR XM_CALLCONV XMVectorTruncate(
[in] FXMVECTOR V
) noexcept;
Parameters
[in] V
Vector whose components are to be truncated.
Return value
Returns a vector whose components are rounded to the nearest integer value in the direction of zero.
Remarks
The return value is computed based on the following logic, which preserves special values (INF,+INF,NaN,-NaN).
Result[0] = (fabsf(V[0]) < 8388608.0f) ? ((float)((int32_t)V[0])) : V[0];
Result[1] = (fabsf(V[1]) < 8388608.0f) ? ((float)((int32_t)V[1])) : V[1];
Result[2] = (fabsf(V[2]) < 8388608.0f) ? ((float)((int32_t)V[2])) : V[2];
Result[3] = (fabsf(V[3]) < 8388608.0f) ? ((float)((int32_t)V[3])) : V[3];
Platform Requirements
Microsoft Visual Studio 2010 or Microsoft Visual Studio 2012 with the Windows SDK for Windows 8. Supported for Win32 desktop apps, Windows Store apps, and Windows Phone 8 apps.Requirements
Requirement | Value |
---|---|
Target Platform | Windows |
Header | directxmath.h (include DirectXMath.h) |
See also
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