/* ******************************************************************************
 *
 *
 * This program and the accompanying materials are made available under the
 * terms of the Apache License, Version 2.0 which is available at
 * https://www.apache.org/licenses/LICENSE-2.0.
 *
 *  See the NOTICE file distributed with this work for additional
 *  information regarding copyright ownership.
 * 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.
 *
 * SPDX-License-Identifier: Apache-2.0
 ******************************************************************************/

namespace sd.graph;

table LongPair {
    first:long; // first
    second:long; // second
}

table LongTriple {
    first:long;
    second:long;
    third:long;
}

table IntPair {
    first:int;
    second:int;
}

table IntTriple {
    first:int;
    second:int;
    third:int;
}

enum OpType:byte {
    TRANSFORM_FLOAT = 0,
    TRANSFORM_SAME = 1,
    TRANSFORM_BOOL = 2,
    TRANSFORM_STRICT = 3,
    TRANSFORM_ANY = 4,
    REDUCE_FLOAT = 5, // for both reduce & reduce3
    REDUCE_SAME = 6,
    REDUCE_LONG = 7,
    REDUCE_BOOL = 8,
    INDEX_REDUCE = 9,
    SCALAR = 10,
    SCALAR_BOOL = 11,
    BROADCAST = 12,
    BROADCAST_BOOL = 13,
    PAIRWISE = 14,
    PAIRWISE_BOOL = 15,
    REDUCE_3 = 16,
    SUMMARYSTATS = 17,
    SHAPE = 18,
    AGGREGATION = 19, // ???
    RANDOM = 20, //
    CUSTOM = 21, // custom ops
    GRAPH = 22, // another graph used as op
    VARIABLE = 40,
    BOOLEAN = 60, // booleanOps, for conditionals
    LOGIC = 119, //
}

enum InputType:byte {
    UNDEFINED,
    NUMERIC,
    STRINGULAR,
    NUMERIC_SET,
    STRINGULAR_SET,
}

enum OpClass:byte {
    TRANSFORM = 0, // ops of this class return the same shape as primary input
    REDUCTION = 1, // ops of this class return accumulation shape
    MULTIPLICATOR = 2, // ops of this class may return whatever they want
    GRAPH = 3, // embedded graph
    CONDITIONAL = 4, // IF
    LOOP = 5, // Various LOOPS
}