C/math.h/floor
floor: returns the largest integer (represented as a floating-point value) not greater than num
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//Declaration: float floorf(float num);
double floor(double num); long double floorl(long double num);
//Return: Given 1.02, floor() would return 1.0.
Given -1.02, floor() would return -2.0. #include <math.h> #include <stdio.h> int main(void) { printf("%f", floor(10.9)); }
/* 10.000000*/
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