Function execute_binary1

FluidNC/src/Expression.cpp:103–139

! \brief Executes the operations: /, MOD, ** (POW), *. \param lhs pointer to the left hand side operand and result. \param operation \ref ngc_binary_op_t enum value. \param rhs pointer to the right hand side operand. \returns #Error::Ok enum value if processed without error, appropriate \ref Error enum value if not. */

\returns #Error::Ok enum value if processed without error, appropriate \ref Error enum value if not.
*/
static Error execute_binary1(float& lhs, ngc_binary_op_t operation, const float& rhs) {
    Error status = Error::Ok;

    switch (operation) {
        case Binary_DividedBy:
            if (rhs == 0.0f || rhs == -0.0f)
                status = Error::ExpressionDivideByZero;  // Attempt to divide by zero
            else
                lhs = lhs / rhs;
            break;

        case Binary_Modulo:  // always calculates a positive answer
            lhs = fmodf(lhs, rhs);
            if (lhs < 0.0f)
                lhs = lhs + fabsf(rhs);
            break;

        case Binary_Power:
            if (lhs < 0.0f && floorf(rhs) != rhs)
                status = Error::ExpressionInvalidArgument;  // Attempt to raise negative value to non-integer power
            else
                lhs = powf(lhs, rhs);
            break;

        case Binary_Times:
            lhs = lhs * rhs;
            break;

        default:
            status = Error::ExpressionUnknownOp;
    }

    if (status != Error::Ok)
        report_param_error(status);

    return status;
}

/*! \brief Executes the operations: +, -, AND, OR, XOR, EQ, NE, LT, LE, GT, GE
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