fix bug of cast operator.

mindspore/lite/nnacl/fp32/cast.c

@@ -64,3 +64,15 @@ void Float32ToInt32(const float *input, int32_t *output, int number) {
     output[i] = (int32_t)input[i];
   }
 }
+
+void Float32ToInt64(const float *input, int64_t *output, int number) {
+  for (int i = 0; i < number; ++i) {
+    output[i] = (int64_t)input[i];
+  }
+}
+
+void Int32ToInt64(const int32_t *input, int64_t *output, int number) {
+  for (int i = 0; i < number; ++i) {
+    output[i] = (int64_t)input[i];
+  }
+}

mindspore/lite/nnacl/fp32/cast.h

@@ -39,6 +39,8 @@ void Int32ToFloat32(const int32_t *input, float *output, int number);
 void Fp16ToFloat32(const uint16_t *input, float *output, int number);
 void Float32ToFp16(const float *input, uint16_t *output, int number);
 void Float32ToInt32(const float *input, int32_t *output, int number);
+void Float32ToInt64(const float *input, int64_t *output, int number);
+void Int32ToInt64(const int32_t *input, int64_t *output, int number);
 #ifdef __cplusplus
 }
 #endif

mindspore/lite/src/runtime/kernel/arm/fp32/cast.cc

@@ -71,13 +71,18 @@ int CastCPUKernel::DoCast(int thread_id) {
   auto input_data_type = input->data_type();
   auto output_data_type = output->data_type();
   if (output_data_type != kNumberTypeFloat32) {
-    if (input_data_type == kNumberTypeFloat32 &&
-        (output_data_type == kNumberTypeInt32 || output_data_type == kNumberTypeInt64)) {
+    if (input_data_type == kNumberTypeFloat32 && output_data_type == kNumberTypeInt64) {
+      Float32ToInt64(reinterpret_cast<float *>(input->data_c()) + offset,
+                     reinterpret_cast<int64_t *>(output_data) + offset, data_num);
+    } else if (input_data_type == kNumberTypeFloat32 && output_data_type == kNumberTypeInt32) {
       Float32ToInt32(reinterpret_cast<float *>(input->data_c()) + offset,
                      reinterpret_cast<int32_t *>(output_data) + offset, data_num);
     } else if (input_data_type == kNumberTypeFloat32 && output_data_type == kNumberTypeFloat16) {
       Float32ToFp16(reinterpret_cast<float *>(input->data_c()) + offset,
                     reinterpret_cast<uint16_t *>(output_data) + offset, data_num);
+    } else if (input_data_type == kNumberTypeInt32 && output_data_type == kNumberTypeInt64) {
+      Int32ToInt64(reinterpret_cast<int32_t *>(input->data_c()) + offset,
+                   reinterpret_cast<int64_t *>(output_data) + offset, data_num);
     } else if (input_data_type == kNumberTypeInt32 &&
                (output_data_type == kNumberTypeInt32 || output_data_type == kNumberTypeInt64)) {
       memcpy(reinterpret_cast<int32_t *>(output_data) + offset, reinterpret_cast<int32_t *>(input->data_c()) + offset,

mindspore/lite/test/models_onnx.cfg

@@ -9,3 +9,5 @@ crnn_lite_lstm_v2.onnx;32,32,32,1
 psenet_lite_mbv2.onnx;1,32,32,3
 super-resolution-10.onnx;1,224,224,1
 tinyyolov2-8.onnx;1,416,416,3
+ml_2012_ocr_cn.onnx
+ml_2012_ocr_cn_noLSTM.onnx