diff options
Diffstat (limited to 'lisp/calc/calc.el')
| -rw-r--r-- | lisp/calc/calc.el | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lisp/calc/calc.el b/lisp/calc/calc.el index 7fb9148535a..a149cfe7966 100644 --- a/lisp/calc/calc.el +++ b/lisp/calc/calc.el @@ -2583,7 +2583,11 @@ largest Emacs integer.") ;;; Reduce an object to canonical (normalized) form. [O o; Z Z] [Public] (defvar math-normalize-a) +(defvar math-normalize-error nil + "Non-nil if the last call the `math-normalize' returned an error.") + (defun math-normalize (math-normalize-a) + (setq math-normalize-error nil) (cond ((not (consp math-normalize-a)) (if (integerp math-normalize-a) @@ -2672,31 +2676,38 @@ largest Emacs integer.") (fboundp (car math-normalize-a)))) (apply (car math-normalize-a) args))))) (wrong-number-of-arguments + (setq math-normalize-error t) (calc-record-why "*Wrong number of arguments" (cons (car math-normalize-a) args)) nil) (wrong-type-argument + (setq math-normalize-error t) (or calc-next-why (calc-record-why "Wrong type of argument" (cons (car math-normalize-a) args))) nil) (args-out-of-range + (setq math-normalize-error t) (calc-record-why "*Argument out of range" (cons (car math-normalize-a) args)) nil) (inexact-result + (setq math-normalize-error t) (calc-record-why "No exact representation for result" (cons (car math-normalize-a) args)) nil) (math-overflow + (setq math-normalize-error t) (calc-record-why "*Floating-point overflow occurred" (cons (car math-normalize-a) args)) nil) (math-underflow + (setq math-normalize-error t) (calc-record-why "*Floating-point underflow occurred" (cons (car math-normalize-a) args)) nil) (void-variable + (setq math-normalize-error t) (if (eq (nth 1 err) 'var-EvalRules) (progn (setq var-EvalRules nil) |