log - HLSL
Microsoft DirectX 9.0 SDK Update (October 2004)

log - HLSL


Returns the base-e logarithm of x. If x is negative, the function returns indefinite. If x is 0, the function returns +INF.

Syntax

ret log(x)

Where:

NameIn/OutTemplate TypeComponent TypeSize
xinscalar, vector, or matrixfloatany
retoutsame as input xfloatsame dimension(s) as input x

Minimum Shader Version

This intrinsic function is supported in the following (or above) shader versions:

Vertex ShaderPixel Shader
vs_1_1ps_2_0


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