exp - vs
Microsoft DirectX 9.0 SDK Update (October 2004)

exp - vs


Provides full precision exponential 2x.

Syntax

exp dst, src

where

Remarks

Vertex shader versions1_12_02_x2_sw3_03_sw
expxxxxxx

This instruction provides at least 21 bits of precision.

The following code fragment shows the operations performed:

dest.x = dest.y = dest.z = dest.w = (float)pow(2, src.replicateSwizzleComponent);


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