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test for float to the float power here

This commit is contained in:
Guido van Rossum 1995-02-10 16:57:16 +00:00
parent b7d3d4e5d6
commit 2165158ab3
1 changed files with 5 additions and 0 deletions
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5
Python/bltinmodule.c
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@ -916,6 +916,11 @@ do_pow(v, w)
err_setstr(TypeError, "pow() requires numeric arguments"); err_setstr(TypeError, "pow() requires numeric arguments");
return NULL; return NULL;
} }
if ((w->ob_type==&Floattype) &&
(*v->ob_type->tp_as_number->nb_negative)(v)) {
err_setstr(ValueError, "negative number to float power");
return NULL;
}
if (coerce(&v, &w) != 0) if (coerce(&v, &w) != 0)
return NULL; return NULL;
res = (*v->ob_type->tp_as_number->nb_power)(v, w, None); res = (*v->ob_type->tp_as_number->nb_power)(v, w, None);