modf - HLSL
Splits the value x into fractional and integer parts, each of which has the same sign as x. The signed fractional portion of x is returned. The integer portion is stored in the output parameter ip.
Syntax
Where:
| Name |
In/Out |
Template Type |
Component Type |
Size |
| x |
in |
scalar, vector, or matrix |
float, int |
any |
| ip |
out |
same as input x |
float, int |
same dimension(s) as input x |
| ret |
out |
same as input x |
float, int |
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 |
See Also
HLSL Intrinsic Functions
