2014-09-06 17:46:52 +01:00
|
|
|
# test ffi float support
|
2014-10-06 20:37:40 +01:00
|
|
|
import sys
|
|
|
|
try:
|
|
|
|
import ffi
|
|
|
|
except ImportError:
|
|
|
|
print("SKIP")
|
|
|
|
sys.exit()
|
2014-09-06 17:46:52 +01:00
|
|
|
|
|
|
|
|
|
|
|
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
|
|
|
|
|
2014-09-24 16:50:43 +01:00
|
|
|
libc = ffi_open(('libc.so', 'libc.so.0', 'libc.so.6', 'libc.dylib'))
|
2014-09-06 17:46:52 +01:00
|
|
|
|
|
|
|
strtof = libc.func("f", "strtof", "sp")
|
|
|
|
print('%.6f' % strtof('1.23', None))
|
|
|
|
|
|
|
|
strtod = libc.func("d", "strtod", "sp")
|
|
|
|
print('%.6f' % strtod('1.23', None))
|
2015-04-28 19:40:34 +01:00
|
|
|
|
|
|
|
# test passing double and float args
|
|
|
|
libm = ffi_open(('libm.so', 'libc.so.0', 'libc.so.6', 'libc.dylib'))
|
|
|
|
tgamma = libm.func('d', 'tgamma', 'd')
|
|
|
|
tgammaf = libm.func('f', 'tgammaf', 'f')
|
|
|
|
for fun in (tgamma, tgammaf):
|
|
|
|
for val in (0.5, 1, 1.0, 1.5, 4, 4.0):
|
|
|
|
print('%.6f' % fun(val))
|