機械学習AIのmxnet c++エッセイ(4)

#include 
#include 
#include "mxnet-cpp/MxNetCpp.h"
//email:[email protected]
//code:liuxing
using namespace std;
using namespace mxnet::cpp;
int main(){
    Context ctxDev(DeviceType::kCPU, 0);
    Context ctx = Context::cpu();
    std::vector inArgs;
    std::vector argGradStore;
    std::vector gradReqType;
    std::vector auxStates;
    NDArray arrayY(Shape(1), ctxDev, false);
    Symbol y("Y");
    auto z=y+9;
    //----
    mx_float* aptrY = new mx_float[1];
    aptrY[0]=12.58;
    arrayY.SyncCopyFromCPU(aptrY,1);
    arrayY.WaitToRead();
    inArgs.push_back(arrayY);
    argGradStore.push_back(NDArray());
    gradReqType.push_back(kNullOp);
    Executor* exe = new Executor(z, ctxDev, inArgs, argGradStore,gradReqType,auxStates);
    exe->Forward(false);
    std::vector& out = exe->outputs;
    cout<

$make learn1 $build/learn1 1 [21.58, ]