SYMBIAN OS V9.3
» Symbian OS v9.3 » Symbian OS reference » C++ component reference » System Libraries STDLIB » isnanf
Location: ieeefp.h
ieeefp.h
isnanf
isnanf (x) (((*(long *)&(x) & 0x7f800000L)==0x7f800000L) && \ ((*(long *)&(x) & 0x007fffffL)!=0000000000L))
x
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