isinf — determine whether the parameter is positive or negative infinity
genBType isinf( | genType x); |
genBType isinf( | genDType x); |
x Specifies the value to test for infinity.
For each element element i of the result, isinf returns true if x[i] is posititve or negative floating point infinity and false otherwise.
| OpenGL Shading Language Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Function Name | 1.10 | 1.20 | 1.30 | 1.40 | 1.50 | 3.30 | 4.00 | 4.10 | 4.20 | 4.30 | 4.40 | 4.50 |
| isinf (genType) | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| isinf (genDType) | - | - | - | - | - | - | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
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