root/arch/alpha/math-emu/fp-emul.h

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   1 /*
   2  * These defines correspond to the dynamic rounding mode bits in the
   3  * Floating Point Control Register.  They also happen to correspond to
   4  * the instruction encodings except that 0x03 signifies dynamic
   5  * rounding mode in that case.
   6  */
   7 #define ROUND_CHOP      0x00    /* chopped (aka round towards zero) */
   8 #define ROUND_NINF      0x01    /* round towards negative infinity */
   9 #define ROUND_NEAR      0x02    /* round towards nearest number */
  10 #define ROUND_PINF      0x03    /* round towards positive infinity */

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