def fa(a, o, n, dtype=None):
if dtype is None:
t = a.__class__._type_
else:
t = dtype
s = sizeof(t)
return (t * n).from_address(ao(a) + o * s)
class x_float(c_float):
pass
b = convert(rand(10))
a = (x_float * 10)(*b)
z = (c_float * 10)(*b)
try:
u = (c_float * 2).from_address(ao(a[6]))
su = sizeof(u._type_)
print "0x%8.8x" % ao(u)
print "%10.7f %10.7f" % (u[0], u[1])
except TypeError:
print "x_float does not work"
try:
v = fa(a, 6, 2, c_float)
sv = sizeof(v._type_)
except TypeError:
def compare(a,b):
a1 = convert(a)
b1 = convert(b)
diff = max(abs(a1-b1))
return diff
from numpy.random import rand
from ctypes_array import convert
ao = addressof
def fa(a,o,n,dtype=None):
if dtype is None:
t = a.__class__._type_
else:
t = dtype
s = sizeof(t)
return (t*n).from_address(ao(a)+o*s)
class x_float(c_float):
pass
b = convert(rand(10))
a = (x_float*10)(*b)
z = (c_float*10)(*b)
try:
u = (c_float*2).from_address(ao(a[6]))
su = sizeof(u._type_)
print "0x%8.8x" % ao(u)
print "%10.7f %10.7f" % (u[0],u[1])
except TypeError:
print "x_float does not work"
try:
v = fa(a,6,2,c_float)
sv = sizeof(v._type_)
except TypeError:
