Function isInfinity
Determines whether x is a positive or negative infinity.
bool isInfinity(F)
(
F x
)
if (isFloatingPoint!F);
Parameters
Name | Description |
---|---|
F | Type of the floating point number. |
x | Floating point number. |
Returns
true if x is infinity, false otherwise.
See Also
isFinite.
Example
assert(isInfinity(float .infinity));
assert(isInfinity(-float .infinity));
assert(isInfinity(double .infinity));
assert(isInfinity(-double .infinity));
assert(isInfinity(real .infinity));
assert(isInfinity(-real .infinity));