guanxinq commented on a change in pull request #17569: Adding sparse support to
MXTensor for custom operators
URL: https://github.com/apache/incubator-mxnet/pull/17569#discussion_r392462090
##########
File path: include/mxnet/lib_api.h
##########
@@ -1091,6 +1187,43 @@ extern "C" {
return retval;
}
+ /*! \brief returns status of calling inferSType function for operator from
library */
+#if defined(_WIN32) || defined(_WIN64) || defined(__WINDOWS__)
+ __declspec(dllexport) int __cdecl
+#else
+ int
+#endif
+ _opCallInferSType(inferSType_t inferSType, const char* const* keys,
+ const char* const* vals, int num,
+ int* instypes, int num_in, int* outstypes, int num_out) {
+ // create map of attributes from list
+ std::map<std::string, std::string> attrs;
+ for (int i = 0; i < num; i++) {
+ attrs[std::string(keys[i])] = std::string(vals[i]);
+ }
+
+ // create a vector of types for inputs
+ std::vector<int> in_stypes(num_in);
+ for (int i = 0; i < num_in; i++) {
+ in_stypes[i] = instypes[i];
+ }
+
+ // create a vector of types for outputs
+ std::vector<int> out_stypes(num_out, -1);
+
+ int retval = inferSType(attrs, in_stypes, out_stypes);
+
+ if (!retval)
+ return retval;
+
+ // copy output types
+ for (int i = 0; i < num_out; i++) {
+ outstypes[i] = out_stypes[i];
Review comment:
STORAGE_TYPE_ASSIGN_CHECK() in line 659 of c_api.cc will check it.
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