Esempi in C++ (Cpp) per BigFloat::usub

Esempio n. 1

File: mini-pi_optimized_3_OpenMP.cpp Progetto: phanindharbodla/Mini-Pi

BigFloat BigFloat::add(const BigFloat &x,size_t p) const{
    //  Addition

    //  The target precision is p.
    //  If (p = 0), then no truncation is done. The entire operation is done
    //  at maximum precision with no data loss.

    //  Same sign. Add.
    if (sign == x.sign)
        return uadd(x,p);

    //  this > x
    if (ucmp(x) > 0)
        return usub(x,p);

    //  this < x
    return x.usub(*this,p);
}

Esempio n. 2

File: mini-pi_optimized_3_OpenMP.cpp Progetto: phanindharbodla/Mini-Pi

BigFloat BigFloat::sub(const BigFloat &x,size_t p) const{
    //  Subtraction

    //  The target precision is p.
    //  If (p = 0), then no truncation is done. The entire operation is done
    //  at maximum precision with no data loss.

    //  Different sign. Add.
    if (sign != x.sign)
        return uadd(x,p);

    //  this > x
    if (ucmp(x) > 0)
        return usub(x,p);

    //  this < x
    BigFloat z = x.usub(*this,p);
    z.negate();
    return z;
}