Changes for Lee Busby's SIGFPE patch set.
New file pyfpe.c and exception FloatingPointError.
Surround some f.p. operations with PyFPE macro brackets.
diff --git a/Python/pyfpe.c b/Python/pyfpe.c
new file mode 100644
index 0000000..0b38997
--- /dev/null
+++ b/Python/pyfpe.c
@@ -0,0 +1,16 @@
+#include "config.h"
+#include "pyfpe.h"
+
+/*
+ * The signal handler for SIGFPE is actually declared in an external
+ * module fpectl, or as preferred by the user. These variable
+ * definitions are required in order to compile Python without
+ * getting missing externals, but to actually handle SIGFPE requires
+ * defining a handler and enabling generation of SIGFPE.
+ */
+
+#ifdef WANT_SIGFPE_HANDLER
+jmp_buf PyFPE_jbuf;
+int PyFPE_counter = 0;
+double PyFPE_dummy(void){return(1.0);}
+#endif