import quincy 17.2.0

[ceph.git] / ceph / src / arrow / cpp / src / gandiva / precompiled / decimal_ops.h

diff --git a/ceph/src/arrow/cpp/src/gandiva/precompiled/decimal_ops.h b/ceph/src/arrow/cpp/src/gandiva/precompiled/decimal_ops.h
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+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+#pragma once
+
+#include <cstdint>
+#include <string>
+#include "gandiva/basic_decimal_scalar.h"
+
+namespace gandiva {
+namespace decimalops {
+
+/// Return the sum of 'x' and 'y'.
+/// out_precision and out_scale are passed along for efficiency, they must match
+/// the rules in DecimalTypeSql::GetResultType.
+arrow::BasicDecimal128 Add(const BasicDecimalScalar128& x, const BasicDecimalScalar128& y,
+                           int32_t out_precision, int32_t out_scale);
+
+/// Subtract 'y' from 'x', and return the result.
+arrow::BasicDecimal128 Subtract(const BasicDecimalScalar128& x,
+                                const BasicDecimalScalar128& y, int32_t out_precision,
+                                int32_t out_scale);
+
+/// Multiply 'x' from 'y', and return the result.
+arrow::BasicDecimal128 Multiply(const BasicDecimalScalar128& x,
+                                const BasicDecimalScalar128& y, int32_t out_precision,
+                                int32_t out_scale, bool* overflow);
+
+/// Divide 'x' by 'y', and return the result.
+arrow::BasicDecimal128 Divide(int64_t context, const BasicDecimalScalar128& x,
+                              const BasicDecimalScalar128& y, int32_t out_precision,
+                              int32_t out_scale, bool* overflow);
+
+/// Divide 'x' by 'y', and return the remainder.
+arrow::BasicDecimal128 Mod(int64_t context, const BasicDecimalScalar128& x,
+                           const BasicDecimalScalar128& y, int32_t out_precision,
+                           int32_t out_scale, bool* overflow);
+
+/// Compare two decimals. Returns :
+///  0 if x == y
+///  1 if x > y
+/// -1 if x < y
+int32_t Compare(const BasicDecimalScalar128& x, const BasicDecimalScalar128& y);
+
+/// Convert to decimal from double.
+BasicDecimal128 FromDouble(double in, int32_t precision, int32_t scale, bool* overflow);
+
+/// Convert from decimal to double.
+double ToDouble(const BasicDecimalScalar128& in, bool* overflow);
+
+/// Convert to decimal from gdv_int64.
+BasicDecimal128 FromInt64(int64_t in, int32_t precision, int32_t scale, bool* overflow);
+
+/// Convert from decimal to gdv_int64
+int64_t ToInt64(const BasicDecimalScalar128& in, bool* overflow);
+
+/// Convert from one decimal scale/precision to another.
+BasicDecimal128 Convert(const BasicDecimalScalar128& x, int32_t out_precision,
+                        int32_t out_scale, bool* overflow);
+
+/// round decimal.
+BasicDecimal128 Round(const BasicDecimalScalar128& x, int32_t out_precision,
+                      int32_t out_scale, int32_t rounding_scale, bool* overflow);
+
+/// truncate decimal.
+BasicDecimal128 Truncate(const BasicDecimalScalar128& x, int32_t out_precision,
+                         int32_t out_scale, int32_t rounding_scale, bool* overflow);
+
+/// ceil decimal
+BasicDecimal128 Ceil(const BasicDecimalScalar128& x, bool* overflow);
+
+/// floor decimal
+BasicDecimal128 Floor(const BasicDecimalScalar128& x, bool* overflow);
+
+}  // namespace decimalops
+}  // namespace gandiva