1# cython: c_string_type=str
2# cython: c_string_encoding=ascii
3# distutils: extra_compile_args=-fpermissive
4
5__doc__ = """
6>>> sqrt(1)
71.0
8>>> pyx_sqrt(4)
92.0
10>>> pxd_sqrt(9)
113.0
12>>> log(10)  # doctest: +ELLIPSIS
13Traceback (most recent call last):
14NameError: ...name 'log' is not defined
15>>> strchr('abcabc', ord('c'))
16'cabc'
17>>> strchr(needle=ord('c'), haystack='abcabc')
18'cabc'
19"""
20
21cdef extern from "math.h":
22    cpdef double sqrt(double)
23    cpdef double pyx_sqrt "sqrt"(double)
24    cdef double log(double) # not wrapped
25
26cdef extern from "string.h":
27    # signature must be exact in C++, disagrees with C
28    cpdef const char* strchr(const char *haystack, int needle);
29