Revert parts of patch #453627, documenting the resulting test failures
instead.
This commit is contained in:
Martin v. Löwis
parent
c2d272a1d5
commit
387c547fd3
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@ -8,22 +8,6 @@
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#define M_PI (3.141592653589793239)
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#endif
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#ifdef SCO_ATAN2_BUG
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/*
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* UnixWare 7+ is known to have a bug in atan2 that will return PI instead
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* of ZERO (0) if the first argument is ZERO(0).
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*/
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static double atan2_sco(double x, double y)
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{
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if (x == 0.0)
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return (double)0.0;
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return atan2(x, y);
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}
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#define ATAN2 atan2_sco
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#else
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#define ATAN2 atan2
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#endif
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/* First, the C functions that do the real work */
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/* constants */
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@ -175,7 +159,7 @@ c_log(Py_complex x)
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{
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Py_complex r;
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double l = hypot(x.real,x.imag);
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r.imag = ATAN2(x.imag, x.real);
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r.imag = atan2(x.imag, x.real);
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r.real = log(l);
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return r;
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}
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@ -191,7 +175,7 @@ c_log10(Py_complex x)
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{
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Py_complex r;
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double l = hypot(x.real,x.imag);
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r.imag = ATAN2(x.imag, x.real)/log(10.);
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r.imag = atan2(x.imag, x.real)/log(10.);
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r.real = log10(l);
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return r;
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}
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@ -12,22 +12,6 @@ extern double modf (double, double *);
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#endif /* __STDC__ */
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#endif /* _MSC_VER */
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#ifdef SCO_ATAN2_BUG
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/*
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* UnixWare 7+ is known to have a bug in atan2 that will return PI instead
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* of ZERO (0) if the first argument is ZERO(0).
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*/
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static double atan2_sco(double x, double y)
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{
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if (x == 0.0)
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return (double)0.0;
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return atan2(x, y);
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}
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#define ATAN2 atan2_sco
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#else
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#define ATAN2 atan2
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#endif
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/* Call is_error when errno != 0, and where x is the result libm
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* returned. is_error will usually set up an exception and return
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* true (1), but may return false (0) without setting up an exception.
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@ -115,7 +99,7 @@ FUNC1(asin, asin,
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"asin(x)\n\nReturn the arc sine (measured in radians) of x.")
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FUNC1(atan, atan,
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"atan(x)\n\nReturn the arc tangent (measured in radians) of x.")
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FUNC2(atan2, ATAN2,
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FUNC2(atan2, atan2,
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"atan2(y, x)\n\nReturn the arc tangent (measured in radians) of y/x.\n"
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"Unlike atan(y/x), the signs of both x and y are considered.")
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FUNC1(ceil, ceil,
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@ -26,22 +26,6 @@
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#define PREC_REPR 17
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#define PREC_STR 12
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#ifdef SCO_ATAN2_BUG
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/*
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* UnixWare 7+ is known to have a bug in atan2 that will return PI instead
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* of ZERO (0) if the first argument is ZERO(0).
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*/
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static double atan2_sco(double x, double y)
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{
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if (x == 0.0)
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return (double)0.0;
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return atan2(x, y);
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}
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#define ATAN2 atan2_sco
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#else
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#define ATAN2 atan2
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#endif
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/* elementary operations on complex numbers */
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static Py_complex c_1 = {1., 0.};
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@ -154,7 +138,7 @@ c_pow(Py_complex a, Py_complex b)
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else {
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vabs = hypot(a.real,a.imag);
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len = pow(vabs,b.real);
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at = ATAN2(a.imag, a.real);
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at = atan2(a.imag, a.real);
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phase = at*b.real;
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if (b.imag != 0.0) {
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len /= exp(at*b.imag);
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5
README
5
README
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@ -296,6 +296,11 @@ SCO: The following apply to SCO 3 only; Python builds out of the box
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LIBS=' -lsocket -lcrypt_i'
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UnixWare: There are known bugs in the math library of the system, as well as
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problems in the handling of threads (calling fork in one
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thread may interrupt system calls in others). Therefore, test_math and
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tests involving threads will fail until those problems are fixed.
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SunOS 4.x: When using the SunPro C compiler, you may want to use the
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'-Xa' option instead of '-Xc', to enable some needed non-ANSI
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Sunisms.
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@ -245,8 +245,6 @@
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/* Define the macros needed if on a UnixWare 7.x system. */
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#if defined(__USLC__) && defined(__SCO_VERSION__)
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#define SCO_ACCEPT_BUG /* Use workaround for UnixWare accept() bug */
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#define SCO_ATAN2_BUG /* Use workaround for UnixWare atan2() bug */
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#define STRICT_SYSV_CURSES /* Don't use ncurses extensions */
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#endif
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@ -725,8 +725,6 @@
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/* Define the macros needed if on a UnixWare 7.x system. */
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#if defined(__USLC__) && defined(__SCO_VERSION__)
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#define SCO_ACCEPT_BUG /* Use workaround for UnixWare accept() bug */
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#define SCO_ATAN2_BUG /* Use workaround for UnixWare atan2() bug */
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#define STRICT_SYSV_CURSES /* Don't use ncurses extensions */
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#endif
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