X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/1ba3b199ce47dca5644315bf6009a795d3816ffd..dc122c0fb3802061bc2fdb4abd50bf02a224cfdc:/include/smpi/smpi.h

diff --git a/include/smpi/smpi.h b/include/smpi/smpi.h
index 895aab6360..0322577b82 100644
--- a/include/smpi/smpi.h
+++ b/include/smpi/smpi.h
@@ -1265,7 +1265,7 @@ XBT_PUBLIC void smpi_comm_copy_buffer_callback(simgrid::kernel::activity::CommIm
  * @param source Source host
  * @param dst Destination host
  */
-using SmpiOpCostCb = std::function<double(double size, simgrid::s4u::Host* source, simgrid::s4u::Host* dst)>;
+using SmpiOpCostCb = std::function<double(size_t size, simgrid::s4u::Host* source, simgrid::s4u::Host* dst)>;
 /** @brief SMPI functions that accept cost functions */
 enum class SmpiOperation { RECV = 2, SEND = 1, ISEND = 0 };
 /**