panic: negative dimension size does not make sense

[orestonce]

• The model file is download from https://bj.bcebos.com/paddle2onnx/model_zoo/ch_ppocr_mobile_v2.0_cls_infer.onnx

package main

import (
	_ "embed"
	"fmt"
	"github.com/owulveryck/onnx-go"
	"github.com/owulveryck/onnx-go/backend/x/gorgonnx"
)

//go:embed model/ch_ppocr_mobile_v2.0_cls_infer.onnx
var gModelData []byte

func main() {
	// Create a backend receiver
	backend := gorgonnx.NewGraph()
	//backend := simple.NewSimpleGraph()
	// Create a model and set the execution backend
	model := onnx.NewModel(backend)

	// read the onnx model
	// Decode it into the model
	err := model.UnmarshalBinary(gModelData)
	if err != nil {
		panic(err)
	}
	fmt.Println(model.Input, model.Output)
}

• output:

panic: negative dimension size does not make sense

goroutine 1 [running]:
gorgonia.org/tensor.Shape.CalcStrides({0xc0003f3660, 0x4, 0xc0003f3640})
	C:/local/gopath/pkg/mod/gorgonia.org/[email protected]/shape.go:45 +0xa7
gorgonia.org/tensor.(*AP).calcStrides(0x4)
	C:/local/gopath/pkg/mod/gorgonia.org/[email protected]/ap.go:348 +0x4e
gorgonia.org/tensor.(*AP).SetShape(0xc000489b00, {0xc0003f3640, 0x4, 0x120})
	C:/local/gopath/pkg/mod/gorgonia.org/[email protected]/ap.go:83 +0x1b4
gorgonia.org/tensor.(*Dense).setShape(0xc000489b00, {0xc0003f3640, 0xc000111c78, 0x3eda07})
	C:/local/gopath/pkg/mod/gorgonia.org/[email protected]/dense.go:264 +0x27
gorgonia.org/tensor.WithShape.func1({0xb3ec10, 0xc000489b00})
	C:/local/gopath/pkg/mod/gorgonia.org/[email protected]/consopt.go:83 +0xbe
gorgonia.org/tensor.New({0xc000475ac0, 0x2, 0x4})
	C:/local/gopath/pkg/mod/gorgonia.org/[email protected]/tensor.go:91 +0x4d
github.com/owulveryck/onnx-go.(*Model).processValue(0xc000111f28, 0xc0000a7040)
	C:/local/gopath/pkg/mod/github.com/owulveryck/[email protected]/decoder.go:81 +0x345
github.com/owulveryck/onnx-go.(*Model).applyModelProtoGraph(0xc000111f28, 0xc0000a8000)
	C:/local/gopath/pkg/mod/github.com/owulveryck/[email protected]/decoder.go:126 +0x145
github.com/owulveryck/onnx-go.(*Model).decodeProto(0xebd200, 0x8e8d3)
	C:/local/gopath/pkg/mod/github.com/owulveryck/[email protected]/decoder.go:112 +0x18a
github.com/owulveryck/onnx-go.(*Model).UnmarshalBinary(0x2b51e3ab7d0, {0xebd200, 0x8e8d3, 0x8e8d3})
	C:/local/gopath/pkg/mod/github.com/owulveryck/[email protected]/decoder.go:38 +0x75
main.main()
	D:/go-projects/test2/main.go:22 +0x211