Power operator (^)

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The power operator a^b calculates the b-th power of a.

The actual implementation of the power operator is quite complex. It tries to be as precise as possible. In case the calculation can be carried out using integer numbers only integer calculation is used. This way no unnecessary rounding errors are introduced.

If the mantissa is positive then the calculation is definite. However unlike other BASIC implementations ScriptBasic tries to calculate the result of the power operator even when the mantissa is negative. Actually power operator always results an integer or real number when possible. The implementation internally uses complex numbers and in case the imaginary part of the result is zero the real value is used as the result.

If either of the operands are undef then the result is undef.

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