//+------------------------------------------------------------------+
//| RunCastFloat16ToDouble |
//+------------------------------------------------------------------+
bool RunCastFloat16ToDouble(long model_handle)
{
PrintFormat("test=%s",__FUNCTION__);
double test_data[12]= {1,2,3,4,5,6,7,8,9,10,11,12};
ushort data_uint16[12];
if(!ArrayToFP16(data_uint16,test_data,FLOAT_FP16))
{
Print("error in ArrayToFP16. error code=",GetLastError());
return(false);
}
Print("test array:");
ArrayPrint(test_data);
Print("ArrayToFP16:");
ArrayPrint(data_uint16);
U<ushort> input_float16_values[3*4];
U<double> output_double_values[3*4];
float test_data_float[];
if(!ArrayFromFP16(test_data_float,data_uint16,FLOAT_FP16))
{
Print("error in ArrayFromFP16. error code=",GetLastError());
return(false);
}
for(int i=0; i<12; i++)
{
input_float16_values[i].value=data_uint16[i];
PrintFormat("%d input value =%f Hex float16 = %s ushort value=%d",i,test_data_float[i],ArrayToString(input_float16_values[i].uc),input_float16_values[i].value);
}
Print("ONNX input array:");
ArrayPrint(input_float16_values);
bool res=OnnxRun(model_handle,ONNX_NO_CONVERSION,input_float16_values,output_double_values);
if(!res)
{
PrintFormat("error in OnnxRun. error code=%d",GetLastError());
return(false);
}
Print("ONNX output array:");
ArrayPrint(output_double_values);
//---
double sum_error=0.0;
for(int i=0; i<12; i++)
{
double delta=test_data[i]-output_double_values[i].value;
sum_error+=MathAbs(delta);
PrintFormat("%d output double %f = %s difference=%f",i,output_double_values[i].value,ArrayToString(output_double_values[i].uc),delta);
}
//---
PrintFormat("test=%s sum_error=%f",__FUNCTION__,sum_error);
//---
return(true);
}
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