1 // Copyright 2010-2021 Google LLC
2 // Licensed under the Apache License, Version 2.0 (the "License");
3 // you may not use this file except in compliance with the License.
4 // You may obtain a copy of the License at
5 //
6 //     http://www.apache.org/licenses/LICENSE-2.0
7 //
8 // Unless required by applicable law or agreed to in writing, software
9 // distributed under the License is distributed on an "AS IS" BASIS,
10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 // See the License for the specific language governing permissions and
12 // limitations under the License.
13 
14 #ifndef OR_TOOLS_MATH_OPT_VALIDATORS_SCALAR_VALIDATOR_H_
15 #define OR_TOOLS_MATH_OPT_VALIDATORS_SCALAR_VALIDATOR_H_
16 
17 #include "absl/status/status.h"
18 namespace operations_research {
19 namespace math_opt {
20 
21 absl::Status CheckScalarNoNanNoInf(const double d);
22 
23 struct DoubleOptions {
24   bool allow_positive_infinity = true;
25   bool allow_negative_infinity = true;
26   bool allow_negative = true;
27   bool allow_positive = true;
28 };
29 
30 // Checks value is not NaN and satisfies the additional conditions in options.
31 absl::Status CheckScalar(const double value, const DoubleOptions& options);
32 
33 }  // namespace math_opt
34 }  // namespace operations_research
35 #endif  // OR_TOOLS_MATH_OPT_VALIDATORS_SCALAR_VALIDATOR_H_
36