softfloat/8086/s_isSigNaNF64UI.c

   1
   2 #include <stdbool.h>
   3 #include <stdint.h>
   4 #include "platform.h"
   5 #include "specialize.h"
   6
   7 bool softfloat_isSigNaNF64UI( uint_fast64_t ui )
   8 {
   9
  10     return
  11         ( ( ui>>51 & 0xFFF ) == 0xFFE )
  12             && ( ui & UINT64_C( 0x0007FFFFFFFFFFFF ) );
  13
  14 }
  15