Comment on Detached Point ArithmeticComments−nephrite1yThey just reimplemented floating point with bigger mantissa and exponent. Rounding erorrs will appear with sufficiently large/small numbers.−ncruces1yActually, the exponent is smaller. IEEE 754 64-bit binary floats have an 11 bit exponent, 1 sign bit, and 53 bit mantissa (one of the bits of the mantissa is implied, by actually knowing what they're doing, rather than… whatever this is).
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They just reimplemented floating point with bigger mantissa and exponent. Rounding erorrs will appear with sufficiently large/small numbers.
Actually, the exponent is smaller. IEEE 754 64-bit binary floats have an 11 bit exponent, 1 sign bit, and 53 bit mantissa (one of the bits of the mantissa is implied, by actually knowing what they're doing, rather than… whatever this is).