use the C round function

diff --git a/rigctl.c b/rigctl.c
index 5ab37140e11dbd198c8059a6d9943734a3b5f14a..c1f0ce47e072b20b051082dc962c9d0506686046 100644 (file)
--- a/rigctl.c
+++ b/rigctl.c
@@ -1822,12 +1822,12 @@ gboolean parse_extended_cmd(char *command, CLIENT *client) {
         if (command[4] == ';') {
             memset(reply, '\0', 9);
             printf("getting MIC GAIN: %f\n", mic_gain);
-            sprintf(reply, "ZZMG%03d;", (int)(((mic_gain + 12.0 + 0.5) * 100.0 / 62.0)));
+            sprintf(reply, "ZZMG%03d;", (int) round((round(mic_gain + 12.0) * 100.0 / 62.0)));
             send_resp(client->fd, reply);
         } else if (command[7] == ';') {
             command[7] = '\0';
             double gain = (double)strtol(&command[4], NULL, 10);
-            gain = (gain * 62.0 / 100.0) - 12.0 + 0.5;
+            gain = round((gain * 62.0 / 100.0) - 12.0);
             set_mic_gain(gain);
         }
         break;