frexp - HLSL
Returns the mantissa and exponent of x. The return value of the function is the mantissa, and the exponent is returned by exp. If x is 0, the function returns 0 for both the mantissa and the exponent.
Syntax
Where:
Name | In/Out | Template Type | Component Type | Size |
---|
x | in | scalar, vector, or matrix | float | any |
exp | in | same as input x | float | same dimension(s) as input x |
ret | out | same as input x | float | same dimension(s) as input x |
Minimum Shader Version
This intrinsic function is supported in the following (or above) shader versions:
Vertex Shader | Pixel Shader |
---|
vs_1_1 | ps_2_0 |