# cook your dish here
class HighPrecisionFloat:
def __init__(self, value, precision=10):
if isinstance(value, str):
self.negative = value.startswith('-')
if self.negative:
value = value[1:]
if '.' in value:
self.int_part, self.frac_part = value.split('.')
else:
self.int_part, self.frac_part = value, '0'
elif isinstance(value, (int, float)):
self.negative = value < 0
value = str(abs(value))
if '.' in value:
self.int_part, self.frac_part = value.split('.')
else:
self.int_part, self.frac_part = value, '0'
else:
raise ValueError("Unsupported value type")
self.int_part = self.int_part.lstrip('0') or '0'
self.frac_part = self.frac_part.rstrip('0') or '0'
self.precision = precision
def __str__(self):
sign = '-' if self.negative else ''
if int(self.frac_part):
return f"{sign}{self.int_part}.{self.frac_part}"
else:
return f"{sign}{self.int_part}"
def __repr__(self):
return f"HighPrecisionFloat('{str(self)}')"
def _align_parts(self, other):
max_frac_len = max(len(self.frac_part), len(other.frac_part))
self_frac = self.frac_part.ljust(max_frac_len, '0')
other_frac = other.frac_part.ljust(max_frac_len, '0')
return self.int_part, self_frac, other.int_part, other_frac
def __add__(self, other):
if not isinstance(other, HighPrecisionFloat):
other = HighPrecisionFloat(other)
if self.negative == other.negative:
int_part, frac_part = self._add_abs(other)
result = HighPrecisionFloat(f"{int_part}.{frac_part}")
result.negative = self.negative
else:
if self._abs_greater(other):
int_part, frac_part = self._sub_abs(other)
result = HighPrecisionFloat(f"{int_part}.{frac_part}")
result.negative = self.negative
else:
int_part, frac_part = other._sub_abs(self)
result = HighPrecisionFloat(f"{int_part}.{frac_part}")
result.negative = other.negative
return result
def __sub__(self, other):
if not isinstance(other, HighPrecisionFloat):
other = HighPrecisionFloat(other)
other.negative = not other.negative
result = self + other
other.negative = not other.negative
return result
def __mul__(self, other):
if not isinstance(other, HighPrecisionFloat):
other = HighPrecisionFloat(other)
int_part, frac_part = self._mul_abs(other)
result = HighPrecisionFloat(f"{int_part}.{frac_part}")
result.negative = self.negative != other.negative
return result
def __truediv__(self, other):
if not isinstance(other, HighPrecisionFloat):
other = HighPrecisionFloat(other)
int_part, frac_part = self._div_abs(other)
result = HighPrecisionFloat(f"{int_part}.{frac_part}")
result.negative = self.negative != other.negative
return result
def __floordiv__(self, other):
return HighPrecisionFloat(self.__truediv__(other).int_part)
def _add_abs(self, other):
a_int, a_frac, b_int, b_frac = self._align_parts(other)
carry = 0
frac_sum = []
for i in range(len(a_frac) - 1, -1, -1):
sum_val = int(a_frac[i]) + int(b_frac[i]) + carry
carry = sum_val // 10
frac_sum.append(str(sum_val % 10))
frac_sum.reverse()
frac_sum = ''.join(frac_sum)
int_sum = []
a_int, b_int = a_int.zfill(max(len(a_int), len(b_int))), \
b_int.zfill(max(len(a_int), len(b_int)))
for i in range(len(a_int) - 1, -1, -1):
sum_val = int(a_int[i]) + int(b_int[i]) + carry
carry = sum_val // 10
int_sum.append(str(sum_val % 10))
if carry:
int_sum.append(str(carry))
int_sum.reverse()
int_sum = ''.join(int_sum)
return int_sum, frac_sum
def _sub_abs(self, other):
a_int, a_frac, b_int, b_frac = self._align_parts(other)
borrow = 0
frac_diff = []
for i in range(len(a_frac) - 1, -1, -1):
diff = int(a_frac[i]) - int(b_frac[i]) - borrow
if diff < 0:
diff += 10
borrow = 1
else:
borrow = 0
frac_diff.append(str(diff))
frac_diff.reverse()
frac_diff = ''.join(frac_diff).rstrip('0') or '0'
int_diff = []
a_int, b_int = a_int.zfill(max(len(a_int), len(b_int))), \
b_int.zfill(max(len(a_int), len(b_int)))
for i in range(len(a_int) - 1, -1, -1):
diff = int(a_int[i]) - int(b_int[i]) - borrow
if diff < 0:
diff += 10
borrow = 1
else:
borrow = 0
int_diff.append(str(diff))
int_diff.reverse()
int_diff = ''.join(int_diff).lstrip('0') or '0'
return int_diff, frac_diff
def _mul_abs(self, other):
a = self.int_part + self.frac_part
b = other.int_part + other.frac_part
self_frac_len = len(self.frac_part.strip('0'))
other_frac_len = len(other.frac_part.strip('0'))
total_frac_len = self_frac_len + other_frac_len
a_len, b_len = len(self.frac_part), len(other.frac_part)
result = [0] * (len(a) + len(b))
for i in range(len(a) - 1, -1, -1):
for j in range(len(b) - 1, -1, -1):
result[i + j + 1] += int(a[i]) * int(b[j])
result[i + j] += result[i + j + 1] // 10
result[i + j + 1] %= 10
result = ''.join(map(str, result)).lstrip('0') or '0'
# print(result)
int_part = result[:-a_len - b_len] or '0'
frac_part = result[-a_len - b_len:] or '0'
frac_part = frac_part.zfill(total_frac_len)
return int_part, frac_part
def _div_abs(self, other):
preprocessing_flag = False
# Preprocessing:
if self.int_part is None and self.frac_part is None:
preprocessing_flag = True if preprocessing_flag == False else True
self.int_part = self.frac_part[0]
self.frac_part = self.frac_part[1:]
other.int_part = other.frac_part[0]
other.frac_part = other.frac_part[1:]
precision = self.precision if (
self.int_part is not None) else (self.precision + 1)
a = self.int_part + self.frac_part
b = other.int_part + other.frac_part
self_frac_len = len(self.frac_part.strip('0'))
other_frac_len = len(other.frac_part.strip('0'))
total_frac_len = self_frac_len + other_frac_len
a_len, b_len = len(self.frac_part), len(other.frac_part)
a = a.ljust(len(a) + precision, '0')
result = []
remainder = 0
for digit in a:
remainder = remainder * 10 + int(digit)
result.append(str(remainder // int(b)))
remainder %= int(b)
result = ''.join(result).lstrip('0') or '0'
# print(result)
int_part = (
result[:-precision -1]
if (
(self.int_part is None) or (other.int_part is None)
)
else result[:-precision]
) or '0'
# print(int_part)
frac_part = result[-precision:] or '0'
if preprocessing_flag:
self.frac_part = "".join(
[
self.int_part,
self.frac_part
]
)
self.int_part = None
other.frac_part = "".join(
[
other.int_part,
other.frac_part
]
)
other.int_part = None
return int_part, frac_part
def _abs_greater(self, other):
if len(self.int_part) != len(other.int_part):
return len(self.int_part) > len(other.int_part)
if self.int_part != other.int_part:
return self.int_part > other.int_part
return self.frac_part > other.frac_part
def pos(self):
pass
def neg(self):
self.negative = False if self.negative else True
# Example usage:
if __name__ == "__main__":
a = HighPrecisionFloat("0.1")
b = HighPrecisionFloat("0.2")
print("Addition:", str(a + b))
print("Subtraction:", str(a - b))
print("Multiplication:", str(a * b))
print("Division:", str(a / b))
print(a, b)