FE_DOWNWARD
#define FE_DOWNWARD 0x01
#define FE_DOWNWARD 0x400 /* 010000000000 */
#define FE_DOWNWARD 2 /* round toward negative infinity */
#define FE_DOWNWARD (3<<9) /* round toward negative infinity */
#define FE_DOWNWARD 0x400 /* 010000000000 */
#define FE_DOWNWARD 0x0400
#define FE_DOWNWARD 1 /* round toward negative infinity */
#define FE_DOWNWARD FPCR_MINF
#define FE_DOWNWARD 0x0003
#define FE_DOWNWARD 3 /* round toward negative infinity */
#define FE_DOWNWARD 0x0003
#define FE_DOWNWARD 2 /* round toward negative infinity */
#define FE_DOWNWARD (FPSCR_ROUND_ZERO + 1)
#define FE_DOWNWARD 3 /* round toward negative infinity */