decimal_round_up function

Shell Programming and Scripting
1

what is function of decimal_round_up function...can anybody explain with example-----

2

what is function of floor & ceil function...can anybody explain with example-----

3

The shell doesn't have decimal arithmetic, but you can use bc or awk or Perl.

perl -le 'print int(shift()+0.9999)' 31.45
4

there are function called decimal_round_up ,floor & ceil....what are these?

5

Part of the math library - C language.