//+------------------------------------------------------------------+
//| RunCastFloat8Float |
//+------------------------------------------------------------------+
bool RunCastFloat8ToFloat(long model_handle,const ENUM_FLOAT8_FORMAT fmt)
{
PrintFormat("TEST: %s(%s)",__FUNCTION__,EnumToString(fmt));
//---
float test_data[15] = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
uchar data_float8[15] = {};
if(!ArrayToFP8(data_float8,test_data,fmt))
{
Print("error in ArrayToFP8. error code=",GetLastError());
OnnxRelease(model_handle);
return(false);
}
U<uchar> input_float8_values[3*5];
U<float> output_float_values[3*5];
float test_data_float[];
//--- convert float8 to float
if(!ArrayFromFP8(test_data_float,data_float8,fmt))
{
Print("error in ArrayFromFP8. error code=",GetLastError());
OnnxRelease(model_handle);
return(false);
}
for(uint i=0; i<data_float8.Size(); i++)
{
input_float8_values[i].value=data_float8[i];
PrintFormat("%d input value =%f Hex float8 = %s ushort value=%d",i,test_data_float[i],ArrayToHexString(input_float8_values[i].uc),input_float8_values[i].value);
}
Print("ONNX input array: ",ArrayToString(input_float8_values));
//--- execute model (convert float8 to float using ONNX)
if(!OnnxRun(model_handle,ONNX_NO_CONVERSION,input_float8_values,output_float_values))
{
PrintFormat("error in OnnxRun. error code=%d",GetLastError());
OnnxRelease(model_handle);
return(false);
}
Print("ONNX output array: ",ArrayToString(output_float_values));
//--- calculate error (compare ONNX and ArrayFromFP8 results)
double sum_error=0.0;
for(uint i=0; i<test_data.Size(); i++)
{
double delta=test_data_float[i]-(double)output_float_values[i].value;
sum_error+=MathAbs(delta);
PrintFormat("%d output float %f = %s difference=%f",i,output_float_values[i].value,ArrayToHexString(output_float_values[i].uc),delta);
}
//---
PrintFormat("%s(%s): sum_error=%f\n",__FUNCTION__,EnumToString(fmt),sum_error);
return(true);
} |