1# test ffi float support
2try:
3    import ffi
4except ImportError:
5    print("SKIP")
6    raise SystemExit
7
8
9def ffi_open(names):
10    err = None
11    for n in names:
12        try:
13            mod = ffi.open(n)
14            return mod
15        except OSError as e:
16            err = e
17    raise err
18
19
20libm = ffi_open(("libm.so", "libm.so.6", "libc.so.0", "libc.so.6", "libc.dylib"))
21
22# Some libc's implement tgammaf as header macro with tgamma(), so don't assume
23# it'll be in library.
24try:
25    tgammaf = libm.func("f", "tgammaf", "f")
26except OSError:
27    print("SKIP")
28    raise SystemExit
29
30for fun in (tgammaf,):
31    for val in (0.5, 1, 1.0, 1.5, 4, 4.0):
32        print("%.6f" % fun(val))
33