Method isnan
isnan(float)
Returns true if the input float is a NaN (not a number) floating point value, false otherwise.
Declaration
public static bool isnan(float x)Parameters
| Type | Name | Description |
|---|---|---|
| float | x | Input value. |
Returns
| Type | Description |
|---|---|
| bool | True if the value was NaN; false otherwise. |
Remarks
NaN has several representations and may vary across architectures. Use this function to check if you have a NaN.
isnan(float2)
Returns a bool2 indicating for each component of a float2 whether it is a NaN (not a number) floating point value.
Declaration
public static bool2 isnan(float2 x)Parameters
| Type | Name | Description |
|---|---|---|
| float2 | x | Input value. |
Returns
| Type | Description |
|---|---|
| bool2 | True if the component was NaN; false otherwise. |
Remarks
NaN has several representations and may vary across architectures. Use this function to check if you have a NaN.
isnan(float3)
Returns a bool3 indicating for each component of a float3 whether it is a NaN (not a number) floating point value.
Declaration
public static bool3 isnan(float3 x)Parameters
| Type | Name | Description |
|---|---|---|
| float3 | x | Input value. |
Returns
| Type | Description |
|---|---|
| bool3 | True if the component was NaN; false otherwise. |
Remarks
NaN has several representations and may vary across architectures. Use this function to check if you have a NaN.
isnan(float4)
Returns a bool4 indicating for each component of a float4 whether it is a NaN (not a number) floating point value.
Declaration
public static bool4 isnan(float4 x)Parameters
| Type | Name | Description |
|---|---|---|
| float4 | x | Input value. |
Returns
| Type | Description |
|---|---|
| bool4 | True if the component was NaN; false otherwise. |
Remarks
NaN has several representations and may vary across architectures. Use this function to check if you have a NaN.
isnan(double)
Returns true if the input double is a NaN (not a number) floating point value, false otherwise.
Declaration
public static bool isnan(double x)Parameters
| Type | Name | Description |
|---|---|---|
| double | x | Input value. |
Returns
| Type | Description |
|---|---|
| bool | True if the value was NaN; false otherwise. |
Remarks
NaN has several representations and may vary across architectures. Use this function to check if you have a NaN.
isnan(double2)
Returns a bool2 indicating for each component of a double2 whether it is a NaN (not a number) floating point value.
Declaration
public static bool2 isnan(double2 x)Parameters
| Type | Name | Description |
|---|---|---|
| double2 | x | Input value. |
Returns
| Type | Description |
|---|---|
| bool2 | True if the component was NaN; false otherwise. |
Remarks
NaN has several representations and may vary across architectures. Use this function to check if you have a NaN.
isnan(double3)
Returns a bool3 indicating for each component of a double3 whether it is a NaN (not a number) floating point value.
Declaration
public static bool3 isnan(double3 x)Parameters
| Type | Name | Description |
|---|---|---|
| double3 | x | Input value. |
Returns
| Type | Description |
|---|---|
| bool3 | True if the component was NaN; false otherwise. |
Remarks
NaN has several representations and may vary across architectures. Use this function to check if you have a NaN.
isnan(double4)
Returns a bool4 indicating for each component of a double4 whether it is a NaN (not a number) floating point value.
Declaration
public static bool4 isnan(double4 x)Parameters
| Type | Name | Description |
|---|---|---|
| double4 | x | Input value. |
Returns
| Type | Description |
|---|---|
| bool4 | True if the component was NaN; false otherwise. |
Remarks
NaN has several representations and may vary across architectures. Use this function to check if you have a NaN.