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"""Information about the current system."""
from pypy.interpreter import gateway
from rpython.rlib import rbigint, rfloat
from rpython.rtyper.lltypesystem import rffi
app = gateway.applevel("""
"NOT_RPYTHON"
from _structseq import structseqtype, structseqfield
class float_info:
__metaclass__ = structseqtype
max = structseqfield(0)
max_exp = structseqfield(1)
max_10_exp = structseqfield(2)
min = structseqfield(3)
min_exp = structseqfield(4)
min_10_exp = structseqfield(5)
dig = structseqfield(6)
mant_dig = structseqfield(7)
epsilon = structseqfield(8)
radix = structseqfield(9)
rounds = structseqfield(10)
class long_info:
__metaclass__ = structseqtype
bits_per_digit = structseqfield(0)
sizeof_digit = structseqfield(1)
""")
def get_float_info(space):
info_w = [
space.newfloat(rfloat.DBL_MAX),
space.newint(rfloat.DBL_MAX_EXP),
space.newint(rfloat.DBL_MAX_10_EXP),
space.newfloat(rfloat.DBL_MIN),
space.newint(rfloat.DBL_MIN_EXP),
space.newint(rfloat.DBL_MIN_10_EXP),
space.newint(rfloat.DBL_DIG),
space.newint(rfloat.DBL_MANT_DIG),
space.newfloat(rfloat.DBL_EPSILON),
space.newint(rfloat.FLT_RADIX),
space.newint(rfloat.FLT_ROUNDS),
]
w_float_info = app.wget(space, "float_info")
return space.call_function(w_float_info, space.newtuple(info_w))
def get_long_info(space):
bits_per_digit = rbigint.SHIFT
sizeof_digit = rffi.sizeof(rbigint.STORE_TYPE)
info_w = [
space.newint(bits_per_digit),
space.newint(sizeof_digit),
]
w_long_info = app.wget(space, "long_info")
return space.call_function(w_long_info, space.newtuple(info_w))
def get_float_repr_style(space):
return space.newtext("short")
def getdlopenflags(space):
return space.newint(space.sys.dlopenflags)
def setdlopenflags(space, w_flags):
space.sys.dlopenflags = space.int_w(w_flags)
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