Created
April 27, 2015 07:50
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Round number to N decimals
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(defun get-number-at-point () | |
(interactive) | |
(skip-chars-backward "0123456789.-") | |
(or (looking-at "[0123456789.-]+") | |
(error "No number at point")) | |
(string-to-number (match-string 0))) | |
(defun round-number-at-point-to-decimals (decimal-count) | |
(interactive "NDecimal count: ") | |
(let ((mult (expt 10 decimal-count))) | |
(replace-match (number-to-string | |
(/ | |
(fround | |
(* | |
mult | |
(get-number-at-point))) | |
mult))))) |
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