macro | isnormal(x) |
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function | bool isnormal (float x); bool isnormal (double x); bool isnormal (long double x); |
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int
value. The type of x shall be float
, double
or long double
.bool
value.true
) if x is normal; and zero (false
) otherwise.
|
|
isnormal(1.0) : 1 isnormal(0.0) : 0 isnormal(1.0/0.0): 0 |