Interprets the bit pattern of x as a floating-point number.

ret asfloat(x)





[in] The input value.


Return Value

The input interpreted as a floating-point number.

Type Description

Name Template Type Component Type Size
xscalar, vector, or matrix float, int, uint any
retsame as input x float same dimension(s) as input x


Function Overloads

float<x> asfloat(float<x> value);
float<x> asfloat(int<x> value);
float<x> asfloat(uint<x> value);

Minimum Shader Model

This function is supported in the following shader models.

Shader ModelSupported
Shader Model 4 and higher shader modelsyes
Shader Model 3 (DirectX HLSL) no
Shader Model 2 (DirectX HLSL) no
Shader Model 1 (DirectX HLSL) no



Older compilers incorrectly allowed asfloat(bool), but note that bool inputs are not supported.

See also

Intrinsic Functions (DirectX HLSL)