Handle div0

8 years ago · ca3b32f67d
parent f200f25d4d
commit ca3b32f67d
1 changed files with 1 additions and 0 deletions
--- a/src/core/lib/transport/pid_controller.c
+++ b/src/core/lib/transport/pid_controller.c
@ -49,6 +49,7 @@ void grpc_pid_controller_reset(grpc_pid_controller *pid_controller) {

 double grpc_pid_controller_update(grpc_pid_controller *pid_controller,
                                  double error, double dt) {
+  if (dt == 0) return pid_controller->last_control_value;
  /* integrate error using the trapezoid rule */
  pid_controller->error_integral +=
      dt * (pid_controller->last_error + error) * 0.5;