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Quick fix for test_math failures on Solaris 10 buildbot. For future 

reference, note that that asin(float('inf')) doesn't seem to return the
expected NaN on this platform.
This commit is contained in:
Mark Dickinson 2008-06-18 10:04:31 +00:00
parent 9c74b14fe9
commit 66bada5653
2 changed files with 11 additions and 11 deletions
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16
Lib/test/ieee754.txt
View File

@ -127,31 +127,31 @@ Trigonometric Functions
>>> sin(INF)
Traceback (most recent call last):
...
ValueError: math domain error (invalid argument)
ValueError: math domain error
>>> sin(NINF)
Traceback (most recent call last):
...
ValueError: math domain error (invalid argument)
ValueError: math domain error
>>> sin(NAN)
nan
>>> cos(INF)
Traceback (most recent call last):
...
ValueError: math domain error (invalid argument)
ValueError: math domain error
>>> cos(NINF)
Traceback (most recent call last):
...
ValueError: math domain error (invalid argument)
ValueError: math domain error
>>> cos(NAN)
nan
>>> tan(INF)
Traceback (most recent call last):
...
ValueError: math domain error (invalid argument)
ValueError: math domain error
>>> tan(NINF)
Traceback (most recent call last):
...
ValueError: math domain error (invalid argument)
ValueError: math domain error
>>> tan(NAN)
nan
@ -169,11 +169,11 @@ True
>>> asin(INF), asin(NINF)
Traceback (most recent call last):
...
ValueError: math domain error (invalid argument)
ValueError: math domain error
>>> acos(INF), acos(NINF)
Traceback (most recent call last):
...
ValueError: math domain error (invalid argument)
ValueError: math domain error
>>> equal(atan(INF), PI/2), equal(atan(NINF), -PI/2)
(True, True)

6
Modules/mathmodule.c
View File

@ -181,16 +181,16 @@ math_1_to_whatever(PyObject *arg, double (*func) (double),
PyFPE_END_PROTECT(r);
if (Py_IS_NAN(r) && !Py_IS_NAN(x)) {
PyErr_SetString(PyExc_ValueError,
"math domain error (invalid argument)");
"math domain error"); /* invalid arg */
return NULL;
}
if (Py_IS_INFINITY(r) && Py_IS_FINITE(x)) {
if (can_overflow)
PyErr_SetString(PyExc_OverflowError,
"math range error (overflow)");
"math range error"); /* overflow */
else
PyErr_SetString(PyExc_ValueError,
"math domain error (singularity)");
"math domain error"); /* singularity */
return NULL;
}
if (Py_IS_FINITE(r) && errno && is_error(r))