Return true if number is not a number (NaN).
Synopsis
Declared in <bdlb_float.h>
static
bool
isNan(float number);
Description
This function is equivalent to the isnan macro in C99. Note that if this method returns true, then either isQuietNan or isSignalingNan will also return true.
Return Value
true if number is not a number (NaN), and false otherwise
Parameters
Name |
Description |
number |
floating‐point value to test |
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