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XMScalarACos function (directxmath.h)

  • Article

Computes the arccosine of a floating-point number.

Syntax

float XMScalarACos(
  [in] float Value
) noexcept;

Parameters

[in] Value

float value between -1.0f and 1.0f.

Return value

Returns the inverse cosine of Value.

Remarks

This function uses a 7-degree minimax approximation.

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

See also

DirectXMath Library Scalar Functions

XMScalarACosEst

XMScalarCos

XMScalarCosEst