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bool isnormal( float arg );
 ( C++11)
bool isnormal( double arg );
 ( C++11)
bool isnormal( long double arg );
 ( C++11)
, arg , .. , , , NaN.
:
Determines if the given floating point number arg is normal, i.e. is neither zero, subnormal, infinite, nor NaN.
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arg
:
floating point value
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true arg , false
:
true if arg is normal, false otherwise
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