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Changes for Lee Busby's SIGFPE patch set.

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Surround various f.p. operations with  PyFPE_{START,END}_PROTECT macros.
This commit is contained in:
Guido van Rossum 1997-02-14 22:54:21 +00:00
parent 7d4266ed5a
commit 09e6ad0c1e
3 changed files with 63 additions and 10 deletions
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28
Objects/complexobject.c
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@ -364,7 +364,11 @@ complex_add(v, w)
complexobject *v;
complexobject *w;
{
return newcomplexobject(c_sum(v->cval,w->cval));
Py_complex result;
PyFPE_START_PROTECT("complex_add", return 0)
result = c_sum(v->cval,w->cval);
PyFPE_END_PROTECT
return newcomplexobject(result);
}
static object *
@ -372,7 +376,11 @@ complex_sub(v, w)
complexobject *v;
complexobject *w;
{
return newcomplexobject(c_diff(v->cval,w->cval));
Py_complex result;
PyFPE_START_PROTECT("complex_sub", return 0)
result = c_diff(v->cval,w->cval);
PyFPE_END_PROTECT
return newcomplexobject(result);
}
static object *
@ -380,7 +388,11 @@ complex_mul(v, w)
complexobject *v;
complexobject *w;
{
return newcomplexobject(c_prod(v->cval,w->cval));
Py_complex result;
PyFPE_START_PROTECT("complex_mul", return 0)
result = c_prod(v->cval,w->cval);
PyFPE_END_PROTECT
return newcomplexobject(result);
}
static object *
@ -389,8 +401,10 @@ complex_div(v, w)
complexobject *w;
{
Py_complex quot;
PyFPE_START_PROTECT("complex_div", return 0)
c_error = 0;
quot = c_quot(v->cval,w->cval);
PyFPE_END_PROTECT
if (c_error == 1) {
err_setstr(ZeroDivisionError, "complex division");
return NULL;
@ -457,6 +471,7 @@ complex_pow(v, w, z)
return NULL;
}
PyFPE_START_PROTECT("complex_pow", return 0)
c_error = 0;
exponent = ((complexobject*)w)->cval;
int_exponent = (long)exponent.real;
@ -465,6 +480,7 @@ complex_pow(v, w, z)
else
p = c_pow(v->cval,exponent);
PyFPE_END_PROTECT
if (c_error == 2) {
err_setstr(ValueError, "0.0 to a negative or complex power");
return NULL;
@ -495,7 +511,11 @@ static object *
complex_abs(v)
complexobject *v;
{
return newfloatobject(hypot(v->cval.real,v->cval.imag));
double result;
PyFPE_START_PROTECT("complex_abs", return 0)
result = hypot(v->cval.real,v->cval.imag);
PyFPE_END_PROTECT
return newfloatobject(result);
}
static int