error about<include>"onnxruntime_cxx_api.h"

[Yiminglii]

Describe the issue

I got an error when try to include "onnxruntime_cxx_api.h":

g++ src/main.cpp -o demo lib/libonnxruntime.so.1.16.1 -I include/ -std=c++11

In file included from include/onnxruntime_cxx_api.h:27:0,
from src/main.cpp:3:
include/onnxruntime_float16.h: In static member function ‘static constexpr uint16_t onnxruntime_float16::Float16Impl::ToUint16Impl(float)’:
include/onnxruntime_float16.h:252:50: warning: narrowing conversion of ‘(255 << 23)’ from ‘int’ to ‘unsigned int’ inside { } [-Wnarrowing]
constexpr detail::float32_bits f32infty = {255 << 23};
^
include/onnxruntime_float16.h:254:79: warning: narrowing conversion of ‘((((127 - 15) + (23 - 10)) + 1) << 23)’ from ‘int’ to ‘unsigned int’ inside { } [-Wnarrowing]
constexpr detail::float32_bits denorm_magic = {((127 - 15) + (23 - 10) + 1) << 23};
^
include/onnxruntime_float16.h: In member function ‘float onnxruntime_float16::Float16Impl::ToFloatImpl() const’:
include/onnxruntime_float16.h:297:47: warning: narrowing conversion of ‘(113 << 23)’ from ‘int’ to ‘unsigned int’ inside { } [-Wnarrowing]
constexpr detail::float32_bits magic = {113 << 23};
^
In file included from src/main.cpp:3:0:
include/onnxruntime_cxx_api.h: In constructor ‘constexpr Ort::Float16_t::Float16_t(uint16_t)’:
include/onnxruntime_cxx_api.h:171:64: error: constexpr constructor does not have empty body
constexpr explicit Float16_t(uint16_t v) noexcept { val = v; }
^
include/onnxruntime_cxx_api.h: In static member function ‘static constexpr Ort::Float16_t Ort::Float16_t::FromBits(uint16_t)’:
include/onnxruntime_cxx_api.h:186:83: error: call to non-constexpr function ‘Ort::Float16_t::Float16_t(uint16_t)’
constexpr static Float16_t FromBits(uint16_t v) noexcept { return Float16_t(v); }
^
In file included from include/onnxruntime_cxx_api.h:27:0,
from src/main.cpp:3:
include/onnxruntime_float16.h: In instantiation of ‘static constexpr uint16_t onnxruntime_float16::Float16Impl::ToUint16Impl(float) [with Derived = Ort::Float16_t; uint16_t = short unsigned int]’:
include/onnxruntime_cxx_api.h:192:54: required from here
include/onnxruntime_float16.h:293:1: error: body of constexpr function ‘static constexpr uint16_t onnxruntime_float16::Float16Impl::ToUint16Impl(float) [with Derived = Ort::Float16_t; uint16_t = short unsigned int]’ not a return-statement
}
^
In file included from src/main.cpp:3:0:
include/onnxruntime_cxx_api.h: In constructor ‘constexpr Ort::BFloat16_t::BFloat16_t(uint16_t)’:
include/onnxruntime_cxx_api.h:315:65: error: constexpr constructor does not have empty body
constexpr explicit BFloat16_t(uint16_t v) noexcept { val = v; }
^
include/onnxruntime_cxx_api.h: In static member function ‘static constexpr Ort::BFloat16_t Ort::BFloat16_t::FromBits(uint16_t)’:
include/onnxruntime_cxx_api.h:327:85: error: call to non-constexpr function ‘Ort::BFloat16_t::BFloat16_t(uint16_t)’
static constexpr BFloat16_t FromBits(uint16_t v) noexcept { return BFloat16_t(v); }
^
include/onnxruntime_cxx_api.h: At global scope:
include/onnxruntime_cxx_api.h:1168:93: warning: ‘deprecated’ attribute directive ignored [-Wattributes]
[[deprecated("use GetShape()")]] void GetDimensions(int64_t* values, size_t values_count) const; ///< Wraps OrtApi::GetDimensions
^
src/main.cpp: In function ‘int main()’:
src/main.cpp:38:58: warning: ignoring return value of function declared with attribute warn_unused_result [-Wunused-result]
g_ort->CreateEnv(ORT_LOGGING_LEVEL_WARNING, "test", &env);
^
src/main.cpp:42:46: warning: ignoring return value of function declared with attribute warn_unused_result [-Wunused-result]
g_ort->CreateSessionOptions(&session_options);
^
src/main.cpp:45:66: warning: ignoring return value of ‘OrtStatus* OrtSessionOptionsAppendExecutionProvider_CUDA(OrtSessionOptions*, int)’, declared with attribute warn_unused_result [-Wunused-result]
OrtSessionOptionsAppendExecutionProvider_CUDA(session_options, 0); //use CUDA，注释则为CPU
^
src/main.cpp:56:73: warning: ignoring return value of function declared with attribute warn_unused_result [-Wunused-result]
g_ort->CreateSession(env, model_path.c_str(), session_options, &session);
^
src/main.cpp:82:135: warning: ignoring return value of function declared with attribute warn_unused_result [-Wunused-result]
g_ort->Run(session, NULL, inputNames, (const OrtValue* const*)&input_tensor, inputNodeNum, outputNames, outputNodeNum, &output_tensor);

To reproduce

Centos7
g++ (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44)
onnxruntime-linux-x64-gpu-1.16.1

Urgency

No response

Platform

Linux

OS Version

centos7

ONNX Runtime Installation

Released Package

ONNX Runtime Version or Commit ID

onnxruntime-linux-x64-gpu-1.16.1

ONNX Runtime API

C++

Architecture

X64

Execution Provider

CUDA

Execution Provider Library Version

No response

[vamoslc]

你好 请问是怎么解决的？

[Yiminglii]

你好 请问是怎么解决的？

是编译器的问题，需要用C++14编译 ：-std=c++14

[vamoslc]

好的解决了 非常感谢！

[acechengwang]

In file included from src/main.cpp:3:0:
include/onnxruntime_cxx_api.h: In constructor ‘constexpr Ort::BFloat16_t::BFloat16_t(uint16_t)’:
include/onnxruntime_cxx_api.h:315:65: error: constexpr constructor does not have empty body
constexpr explicit BFloat16_t(uint16_t v) noexcept { val = v; }

您好，这个问题怎么解决

[Dadoou]

In file included from src/main.cpp:3:0: include/onnxruntime_cxx_api.h: In constructor ‘constexpr Ort::BFloat16_t::BFloat16_t(uint16_t)’: include/onnxruntime_cxx_api.h:315:65: error: constexpr constructor does not have empty body constexpr explicit BFloat16_t(uint16_t v) noexcept { val = v; }

您好，这个问题怎么解决

You may try to update your g++

[segu-L]

In file included from src/main.cpp:3:0: include/onnxruntime_cxx_api.h: In constructor ‘constexpr Ort::BFloat16_t::BFloat16_t(uint16_t)’: include/onnxruntime_cxx_api.h:315:65: error: constexpr constructor does not have empty body constexpr explicit BFloat16_t(uint16_t v) noexcept { val = v; }
您好，这个问题怎么解决

You may try to update your g++

Thank you, it works.