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ffi_float2.py

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# 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))