softfloat/s_propagateNaNF32UI.c

   1
   2 /*** UPDATE COMMENTS. ***/
   3
   4 #include <stdbool.h>
   5 #include <stdint.h>
   6 #include "platform.h"
   7 #include "internals.h"
   8 #include "specialize.h"
   9 #include "softfloat.h"
  10
  11 /*----------------------------------------------------------------------------
  12 | Takes two single-precision floating-point values `a' and `b', one of which
  13 | is a NaN, and returns the appropriate NaN result.  If either `a' or `b' is a
  14 | signaling NaN, the invalid exception is raised.
  15 *----------------------------------------------------------------------------*/
  16
  17 uint_fast32_t
  18  softfloat_propagateNaNF32UI( uint_fast32_t uiA, uint_fast32_t uiB )
  19 {
  20     if ( softfloat_isSigNaNF32UI( uiA ) | softfloat_isSigNaNF32UI( uiB ) ) {
  21         softfloat_raiseFlags( softfloat_flag_invalid );
  22     }
  23     return defaultNaNF32UI;
  24 }
  25