-
Notifications
You must be signed in to change notification settings - Fork 73
Expand file tree
/
Copy pathdouble_value.cc
More file actions
56 lines (48 loc) · 1.68 KB
/
Copy pathdouble_value.cc
File metadata and controls
56 lines (48 loc) · 1.68 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
// Copyright 2022 Google LLC
//
// Licensed 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
//
// https://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.
#include "base/values/double_value.h"
#include <cmath>
#include <string>
#include "absl/strings/match.h"
#include "absl/strings/str_cat.h"
namespace cel {
CEL_INTERNAL_VALUE_IMPL(DoubleValue);
std::string DoubleValue::DebugString(double value) {
if (std::isfinite(value)) {
if (std::floor(value) != value) {
// The double is not representable as a whole number, so use
// absl::StrCat which will add decimal places.
return absl::StrCat(value);
}
// absl::StrCat historically would represent 0.0 as 0, and we want the
// decimal places so ZetaSQL correctly assumes the type as double
// instead of int64_t.
std::string stringified = absl::StrCat(value);
if (!absl::StrContains(stringified, '.')) {
absl::StrAppend(&stringified, ".0");
} else {
// absl::StrCat has a decimal now? Use it directly.
}
return stringified;
}
if (std::isnan(value)) {
return "nan";
}
if (std::signbit(value)) {
return "-infinity";
}
return "+infinity";
}
std::string DoubleValue::DebugString() const { return DebugString(value()); }
} // namespace cel