diff options
Diffstat (limited to 'docs/examples/tutorial/profiling_tutorial/calc_pi_4.py')
| -rw-r--r-- | docs/examples/tutorial/profiling_tutorial/calc_pi_4.py | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/docs/examples/tutorial/profiling_tutorial/calc_pi_4.py b/docs/examples/tutorial/profiling_tutorial/calc_pi_4.py new file mode 100644 index 000000000..b457cd99d --- /dev/null +++ b/docs/examples/tutorial/profiling_tutorial/calc_pi_4.py @@ -0,0 +1,17 @@ +# cython: profile=True + +import cython + +@cython.profile(False) +@cython.cfunc +@cython.inline +@cython.exceptval(-1.0) +def recip_square(i: cython.longlong) -> float: + return 1. / (i * i) + +def approx_pi(n: cython.int = 10000000): + val: cython.double = 0. + k: cython.int + for k in range(1, n + 1): + val += recip_square(k) + return (6 * val) ** .5 |