Java BigDecimal uses hardware architecture as a long double in C ++?

Question

As I understand it, long double in C ++ actually uses hardware architecture (at least for some architectures). Does BigDecimal in Java do enough for small resources?

Answer 1

Does BigDecimal in Java do enough for small resources?

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Answer 2

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BigDecimal(BigInteger intVal, long val, int scale, int prec) {
    this.scale = scale;
    this.precision = prec;
    this.intCompact = val;
    this.intVal = intVal;
}

Answer 3

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Running tests for each calculation to determine whether the two formats will receive the same answer will disrupt any performance increase when using hardware support.