circuitpython/tests/unix/ffi_float2.py
Scott Shawcroft b057fb8a4b
codeformat
2021-04-19 22:22:44 -07:00

33 lines
683 B
Python

# test ffi float support
try:
import ffi
except ImportError:
print("SKIP")
raise SystemExit
def ffi_open(names):
err = None
for n in names:
try:
mod = ffi.open(n)
return mod
except OSError as e:
err = e
raise err
libm = ffi_open(("libm.so", "libm.so.6", "libc.so.0", "libc.so.6", "libc.dylib"))
# Some libc's implement tgammaf as header macro with tgamma(), so don't assume
# it'll be in library.
try:
tgammaf = libm.func("f", "tgammaf", "f")
except OSError:
print("SKIP")
raise SystemExit
for fun in (tgammaf,):
for val in (0.5, 1, 1.0, 1.5, 4, 4.0):
print("%.6f" % fun(val))