update the exception to a warning for errors without detectos

LalehB · LalehB · commit 2556e863dd03 · 2025-09-24T20:29:14.000Z
diff --git a/src/common.cc b/src/common.cc
@@ -127,7 +127,8 @@ stim::DetectorErrorModel common::merge_indistinguishable_errors(
       case stim::DemInstructionType::DEM_ERROR: {
         Error error(instruction);
         if (error.symptom.detectors.size() == 0) {
-          throw std::invalid_argument("Errors that do not flip any detectors are not supported.");
+          // TODO: For errors without detectors, the observables should be included if p>0.5
+          std::cout << "Warning: the circuit has errors that do not flip any detectors \n";
         }
 
         if (errors_by_symptom.find(error.symptom) != errors_by_symptom.end()) {

Original file line number	Diff line number	Diff line change
`@@ -127,7 +127,8 @@ stim::DetectorErrorModel common::merge_indistinguishable_errors(`
`127`	`127`	`case stim::DemInstructionType::DEM_ERROR: {`
`128`	`128`	`Error error(instruction);`
`129`	`129`	`if (error.symptom.detectors.size() == 0) {`
`130`		`- throw std::invalid_argument("Errors that do not flip any detectors are not supported.");`
	`130`	`+ // TODO: For errors without detectors, the observables should be included if p>0.5`
	`131`	`+ std::cout << "Warning: the circuit has errors that do not flip any detectors \n";`
`131`	`132`	`}`
`132`	`133`
`133`	`134`	`if (errors_by_symptom.find(error.symptom) != errors_by_symptom.end()) {`