declen           1357 ext/standard/math.c 		int declen = (int)(dp ? s - dp : 0);
declen           1358 ext/standard/math.c 		int topad = dec > declen ? dec - declen : 0;
declen           1366 ext/standard/math.c 			s -= declen + 1; /* +1 to skip the point */
declen           1367 ext/standard/math.c 			t -= declen;
declen           1370 ext/standard/math.c 			memcpy(t + 1, dp + 1, declen);