IFAST_MULT_TYPE    58 third_party/libjpeg/jdct.h typedef MULTIPLIER IFAST_MULT_TYPE; /* 16 bits is OK, use short if faster */
IFAST_MULT_TYPE    61 third_party/libjpeg/jdct.h typedef INT32 IFAST_MULT_TYPE;	/* need 32 bits for scaled quantizers */