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1.1 ! root 1: .TH FLOOR 3M "19 January 1983" ! 2: .SH NAME ! 3: fabs, floor, ceil \- absolute value, floor, ceiling functions ! 4: .SH SYNOPSIS ! 5: .nf ! 6: .B #include <math.h> ! 7: .PP ! 8: .B double floor(x) ! 9: .B double x; ! 10: .PP ! 11: .B double ceil(x) ! 12: .B double x; ! 13: .PP ! 14: .B double fabs(x) ! 15: .B double x; ! 16: .nf ! 17: .SH DESCRIPTION ! 18: .I Fabs ! 19: returns the absolute value ! 20: .RI | \|x\| |. ! 21: .PP ! 22: .I Floor ! 23: returns the largest integer not greater than ! 24: .IR x . ! 25: .PP ! 26: .I Ceil ! 27: returns the smallest integer not less than ! 28: .IR x . ! 29: .SH SEE ALSO ! 30: abs(3)
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