def number_inc_gt(typechar, loopvar, stop, step, sgn):
""" Increase number and check if it exceeds a limit. """
if sgn == 0:
return False
if typechar in ('#', '!'):
fp_left = fp.from_bytes(loopvar).iadd(step)
loopvar[:] = fp_left.to_bytes()
return fp_left.gt(stop) if sgn > 0 else stop.gt(fp_left)
else:
int_left = vartypes.integer_to_int_signed(vartypes.bytes_to_integer(loopvar)) + step
loopvar[:] = vartypes.integer_to_bytes(vartypes.int_to_integer_signed(int_left))
return int_left > stop if sgn > 0 else stop > int_left
def number_inc_gt(typechar, loopvar, stop, step, sgn):
""" Increase number and check if it exceeds a limit. """
if sgn == 0:
return False
if typechar in ('#', '!'):
fp_left = fp.from_bytes(loopvar).iadd(step)
loopvar[:] = fp_left.to_bytes()
return fp_left.gt(stop) if sgn > 0 else stop.gt(fp_left)
else:
int_left = vartypes.sint_to_value(loopvar) + step
loopvar[:] = vartypes.value_to_sint(int_left)
return int_left > stop if sgn > 0 else stop > int_left
return oct(vartypes.integer_to_int_unsigned(inp))[1:]
def integer_to_str_hex(inp):
""" Convert integer to str in hex representation. """
return hex(vartypes.integer_to_int_unsigned(inp))[2:].upper()
# floating point to string
# for to_str
# for numbers, tab and LF are whitespace
number_whitespace = ' \t\n'
# string representations
Single.lim_top = from_bytes(bytearray('\x7f\x96\x18\x98')) # 9999999, highest float less than 10e+7
Single.lim_bot = from_bytes(bytearray('\xff\x23\x74\x94')) # 999999.9, highest float less than 10e+6
Single.type_sign, Single.exp_sign = '!', 'E'
Double.lim_top = from_bytes(bytearray('\xff\xff\x03\xbf\xc9\x1b\x0e\xb6')) # highest float less than 10e+16
Double.lim_bot = from_bytes(bytearray('\xff\xff\x9f\x31\xa9\x5f\x63\xb2')) # highest float less than 10e+15
Double.type_sign, Double.exp_sign = '#', 'D'
def just_under(n_in):
""" Return the largest floating-point number less than the given value. """
# decrease mantissa by one
return n_in.__class__(n_in.neg, n_in.man - 0x100, n_in.exp)
def get_digits(num, digits, remove_trailing=True):
""" Get the digits for an int. """
def integer_to_str_hex(inp):
""" Convert integer to str in hex representation. """
return hex(vartypes.integer_to_int_unsigned(inp))[2:].upper()
# floating point to string
# for to_str
# for numbers, tab and LF are whitespace
number_whitespace = ' \t\n'
# string representations
Single.lim_top = from_bytes(
bytearray('\x7f\x96\x18\x98')) # 9999999, highest float less than 10e+7
Single.lim_bot = from_bytes(
bytearray('\xff\x23\x74\x94')) # 999999.9, highest float less than 10e+6
Single.type_sign, Single.exp_sign = '!', 'E'
Double.lim_top = from_bytes(bytearray(
'\xff\xff\x03\xbf\xc9\x1b\x0e\xb6')) # highest float less than 10e+16
Double.lim_bot = from_bytes(bytearray(
'\xff\xff\x9f\x31\xa9\x5f\x63\xb2')) # highest float less than 10e+15
Double.type_sign, Double.exp_sign = '#', 'D'
def just_under(n_in):
""" Return the largest floating-point number less than the given value. """
# decrease mantissa by one
return n_in.__class__(n_in.neg, n_in.man - 0x100, n_in.exp)
