be/src/vec/functions/round.cpp

// Licensed to the Apache Software Foundation (ASF) under one
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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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// under the License.

#include "round.h"

#include "vec/functions/simple_function_factory.h"

namespace doris::vectorized {

// We split round funcs from register_function_math() in math.cpp to here,
// so that to speed up compile time and make code more readable.
void register_function_round(SimpleFunctionFactory& factory) {
#define REGISTER_ROUND_FUNCTIONS(IMPL)                                                           \
    factory.register_function<                                                                   \
            FunctionRounding<IMPL<TruncateName>, RoundingMode::Trunc, TieBreakingMode::Auto>>(); \
    factory.register_function<                                                                   \
            FunctionRounding<IMPL<FloorName>, RoundingMode::Floor, TieBreakingMode::Auto>>();    \
    factory.register_function<                                                                   \
            FunctionRounding<IMPL<RoundName>, RoundingMode::Round, TieBreakingMode::Auto>>();    \
    factory.register_function<                                                                   \
            FunctionRounding<IMPL<CeilName>, RoundingMode::Ceil, TieBreakingMode::Auto>>();      \
    factory.register_function<FunctionRounding<IMPL<RoundBankersName>, RoundingMode::Round,      \
                                               TieBreakingMode::Bankers>>();

    REGISTER_ROUND_FUNCTIONS(DecimalRoundOneImpl)
    REGISTER_ROUND_FUNCTIONS(DecimalRoundTwoImpl)
    REGISTER_ROUND_FUNCTIONS(DoubleRoundOneImpl)
    REGISTER_ROUND_FUNCTIONS(DoubleRoundTwoImpl)

    factory.register_alias("ceil", "dceil");
    factory.register_alias("ceil", "ceiling");
    factory.register_alias("floor", "dfloor");
    factory.register_alias("round", "dround");
}

} // namespace doris::vectorized