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| author | Thien-Thi Nguyen <ttn@gnuvola.org> | 2005-08-06 18:27:09 +0000 |
|---|---|---|
| committer | Thien-Thi Nguyen <ttn@gnuvola.org> | 2005-08-06 18:27:09 +0000 |
| commit | cac87e302e52bae078f22a786ca3d9e2407683c4 (patch) | |
| tree | d6474ae024ee8a8e9d7a1522453e1b266b789cee /src/floatfns.c | |
| parent | 3731a85096c5e067f05d53573e559d63c8860f15 (diff) | |
| download | emacs-cac87e302e52bae078f22a786ca3d9e2407683c4.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 529e7b76e39..cbcc0bfe520 100644 --- a/src/floatfns.c +++ b/src/floatfns.c @@ -460,7 +460,8 @@ 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 not computing the -ARG2 root */ { /* this can be improved by pre-calculating */ EMACS_INT acc, x, y; /* some binary powers of x then accumulating */ Lisp_Object val; |