[Python-checkins] CVS: python/dist/src/Modules mathmodule.c,2.57,2.58

[Tim Peters]

Update of /cvsroot/python/python/dist/src/Modules
In directory slayer.i.sourceforge.net:/tmp/cvs-serv24477/python/dist/src/modules

Modified Files:
	mathmodule.c 
Log Message:
Repaired a comment and asserted a precondition.


Index: mathmodule.c
===================================================================
RCS file: /cvsroot/python/python/dist/src/Modules/mathmodule.c,v
retrieving revision 2.57
retrieving revision 2.58
diff -C2 -r2.57 -r2.58
*** mathmodule.c	2000/10/12 06:10:25	2.57
--- mathmodule.c	2000/10/12 19:42:00	2.58
***************
*** 19,23 ****
  
  /* RED_FLAG 12-Oct-2000 Tim
!  * What CHECK does if errno != 0 and x is a NaN is a platform-dependent crap
   * shoot.  Most (but not all!) platforms will end up setting errno to ERANGE
   * then, but EDOM is probably better.
--- 19,23 ----
  
  /* RED_FLAG 12-Oct-2000 Tim
!  * What CHECK does if errno == 0 and x is a NaN is a platform-dependent crap
   * shoot.  Most (but not all!) platforms will end up setting errno to ERANGE
   * then, but EDOM is probably better.
***************
*** 39,42 ****
--- 39,43 ----
  {
  	int result = 1;	/* presumption of guilt */
+ 	assert(errno);	/* non-zero errno is a precondition for calling */
  	if (errno == EDOM)
  		PyErr_SetString(PyExc_ValueError, "math domain error");