INFINITY
From cppreference.com
| Defined in header
<math.h>
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| #define INFINITY /*implementation defined*/
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(since C99) | |
If the implementation supports floating-point infinities, the macro INFINITY expands to constant expression of type float which evaluates to positive or unsigned infinity.
If the implementation does not support floating-point infinities, the macro INFINITY expands to a positive value that is guaranteed to overflow a float at compile time, and the use of this macro generates a compiler warning.
[edit] See also
| (C99)
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checks if the given number is infinite (function) |
| (C99)(C99)
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indicates value too big to be representable (infinity) by float, double and long double respectively (macro constant) |
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C++ documentation for INFINITY
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