Floor And Ceiling Functions C

C library function floor the c library function double floor double x returns the largest integer value less than or equal to x.
Floor and ceiling functions c. The floor and ceiling functions are usually typeset with left and right square brackets where the upper for floor function or lower for ceiling function horizontal bars are missing for floor and for ceiling. The c library function double ceil double x returns the smallest integer value greater than or equal to x. In the c programming language the floor function returns the largest integer that is smaller than or equal to x ie. Ceiling means a whole number which is more than or equal to the value given and also must be nearest to the number.
Only integer values are supported in c. Rounds up the nearest integer. Some say int 3 65 4 the same as the floor function. Ceiling in the c programming language the ceil function returns the smallest integer that is greater than or equal to x ie.
Floor means a whole number which should be less than or equal to the number given and must be nearest to the number. Rounds downs the nearest integer. The absolute value of a number is always positive. In mathematics and computer science the floor and ceiling functions map a real number to the greatest preceding or the least succeeding integer respectively.
Abs this function returns the absolute value of an integer. Following is the declaration.