Get the integer portion of a number

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• int EXPR

• int

  Returns the integer portion of EXPR. If EXPR is omitted, uses $_.You should not use this function for rounding: one because it truncatestowards 0, and two because machine representations of floating-pointnumbers can sometimes produce counterintuitive results. For example,int(-6.725/0.025) produces -268 rather than the correct -269; that'sbecause it's really more like -268.99999999999994315658 instead. Usually,the sprintf, printf, or the POSIX::floor and POSIX::ceilfunctions will serve you better than will int().