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ISINF !!!ISINF NAME SYNOPSIS DESCRIPTION CONFORMING TO ---- !!NAME isinf, isnan, finite - test for infinity or not-a-number (NaN) !!SYNOPSIS __#include __ ''value''__); int isnan(double__ ''value''__); int finite(double__ ''value''__); __ !!DESCRIPTION The __isinf()__ function returns -1 if ''value'' represents negative infinity, 1 if ''value'' represents positive infinity, and 0 otherwise. The __isnan()__ function returns a non-zero value if ''value'' is '' The __finite()__ function returns a non-zero value if ''value'' is neither infinite nor a '' !!CONFORMING TO BSD 4.3 ----
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