ldexp
Returns the result of multiplying the specified value by two, raised to the power of the specified exponent.
ret ldexp(x, exp) |
---|
This function uses the following formula: x * 2exp
Parameters
Item | Description |
---|---|
x |
[in] The specified value. |
exp |
[in] The specified exponent. |
Return Value
The result of multiplying the x parameter by two, raised to the power of the exp parameter.
Type Description
Name | Template Type | Component Type | Size |
---|---|---|---|
x | scalar, vector, or matrix | float | any |
exp | same as input x | float | same dimension(s) as input x |
ret | same as input x | float | same dimension(s) as input x |
Minimum Shader Model
This function is supported in the following shader models.
Shader Model | Supported |
---|---|
Shader Model 2 (DirectX HLSL) and higher shader models | yes |
Shader Model 1 (DirectX HLSL) | yes (vs_1_1 only) |
Requirements
Requirement | Value |
---|---|
Header |
|
See also
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