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| author | Thien-Thi Nguyen <ttn@gnuvola.org> | 2005-08-09 07:37:25 +0000 |
|---|---|---|
| committer | Thien-Thi Nguyen <ttn@gnuvola.org> | 2005-08-09 07:37:25 +0000 |
| commit | 5a9807a8bda5980633db765300dad40ee3aed2c6 (patch) | |
| tree | 39797c5260a19beb4b5f1b8389bba7047b8a263d /src/floatfns.c | |
| parent | 48b194fdd2212661a1e9879881a6accd9f4c508d (diff) | |
| download | emacs-5a9807a8bda5980633db765300dad40ee3aed2c6.tar.gz | |
(Fexpt): Use floats for negative exponent.
Diffstat (limited to 'src/floatfns.c')
| -rw-r--r-- | src/floatfns.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/floatfns.c b/src/floatfns.c index 57bece2708b..79574e0a69b 100644 --- a/src/floatfns.c +++ b/src/floatfns.c @@ -461,7 +461,8 @@ DEFUN ("expt", Fexpt, Sexpt, 2, 2, 0, CHECK_NUMBER_OR_FLOAT (arg1); CHECK_NUMBER_OR_FLOAT (arg2); if (INTEGERP (arg1) /* common lisp spec */ - && INTEGERP (arg2)) /* don't promote, if both are ints */ + && INTEGERP (arg2) /* don't promote, if both are ints, and */ + && 0 <= XINT (arg2)) /* we are sure the result is not fractional */ { /* this can be improved by pre-calculating */ EMACS_INT acc, x, y; /* some binary powers of x then accumulating */ Lisp_Object val; |