Generated by Cython 0.9.6.12 on Mon Mar 31 12:32:03 2008

Raw output: _Users_was__sage_sage_notebook_worksheets_admin_49_code_sage72_spyx_0.c

 1: 

 2: include "interrupt.pxi"  # ctrl-c interrupt block support

 3: include "stdsage.pxi"  # ctrl-c interrupt block support

 4: 

 5: include "cdefs.pxi"

 6: def is2pow(unsigned int n):

static PyObject *__pyx_pf_69_Users_was__sage_sage_notebook_worksheets_admin_49_code_sage72_spyx_0_is2pow(PyObject *__pyx_self, PyObject *__pyx_arg_n); /*proto*/
static char __pyx_doc_69_Users_was__sage_sage_notebook_worksheets_admin_49_code_sage72_spyx_0_is2pow[] = "File: _Users_was__sage_sage_notebook_worksheets_admin_49_code_sage72_spyx_0.pyx (starting at line 6)";
static PyObject *__pyx_pf_69_Users_was__sage_sage_notebook_worksheets_admin_49_code_sage72_spyx_0_is2pow(PyObject *__pyx_self, PyObject *__pyx_arg_n) {
  unsigned int __pyx_v_n;
  PyObject *__pyx_r;
  int __pyx_1;
  PyObject *__pyx_2 = 0;
  assert(__pyx_arg_n); {
    __pyx_v_n = PyInt_AsUnsignedLongMask(__pyx_arg_n); if (unlikely((__pyx_v_n == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 6; goto __pyx_L1;}
  }
  return;
  __pyx_L1:;
  __Pyx_AddTraceback("_Users_was__sage_sage_notebook_worksheets_admin_49_code_sage72_spyx_0");
}

 7:     while n != 0 and n%2 == 0:

  while (1) {
    __pyx_1 = (__pyx_v_n != 0);
    if (__pyx_1) {
      __pyx_1 = ((__pyx_v_n % 2) == 0);
    }
    if (!__pyx_1) break;

 8:         n = n >> 1

    __pyx_v_n = (__pyx_v_n >> 1);
  }

 9:     return n coerce== 1

  __pyx_2 = __Pyx_PyBool_FromLong((__pyx_v_n == 1)); if (unlikely(!__pyx_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 9; goto __pyx_L1;}
  __pyx_r = __pyx_2;
  __pyx_2 = 0;
  goto __pyx_L0;

  __pyx_r = Py_None; Py_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1:;
  Py_XDECREF(__pyx_2);
  __Pyx_AddTraceback("_Users_was__sage_sage_notebook_worksheets_admin_49_code_sage72_spyx_0.is2pow");
  __pyx_r = NULL;
  __pyx_L0:;
  return __pyx_r;
}