Rerun C++ SDK: rerun/components/scalar.hpp Source File (original) (raw)
1
2
3
4#pragma once
5
6#include "../component_descriptor.hpp"
7#include "../datatypes/float64.hpp"
8#include "../result.hpp"
9
10#include
11#include
12
14
15
16
19
20 public:
22
24
26 value = value_;
27 return *this;
28 }
29
30 Scalar(double value_) : value(value_) {}
31
32 Scalar& operator=(double value_) {
33 value = value_;
34 return *this;
35 }
36
37
39 return value;
40 }
41 };
42}
43
46
47
48 template <>
49 struct Loggablecomponents::Scalar {
50 static constexpr ComponentDescriptor Descriptor = "rerun.components.Scalar";
51
52
53 static const std::shared_ptrarrow::DataType& arrow_datatype() {
54 return Loggablererun::datatypes::Float64::arrow_datatype();
55 }
56
57
58 static Result<std::shared_ptrarrow::Array> to_arrow(
59 const components::Scalar* instances, size_t num_instances
60 ) {
61 if (num_instances == 0) {
62 return Loggablererun::datatypes::Float64::to_arrow(nullptr, 0);
63 } else if (instances == nullptr) {
65 ErrorCode::UnexpectedNullArgument,
66 "Passed array instances is null when num_elements> 0."
67 );
68 } else {
69 return Loggablererun::datatypes::Float64::to_arrow(
70 &instances->value,
71 num_instances
72 );
73 }
74 }
75 };
76}
Status outcome object (success or error) returned for fallible operations.
Definition error.hpp:99
All built-in components. See Types in the Rerun manual.
Definition rerun.hpp:79
All Rerun C++ types and functions are in the rerun namespace or one of its nested namespaces.
Definition rerun.hpp:23
Component: A scalar value, encoded as a 64-bit floating point.
Definition scalar.hpp:17
Datatype: A double-precision 64-bit IEEE 754 floating point number.
Definition float64.hpp:25