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C/C++ Source or Header  |  1993-04-28  |  216b  |  15 lines
  1. #include "f2c.h"
  2.  
  3. #ifdef KR_headers
  4. double floor();
  5. integer i_dnnt(x) doublereal *x;
  6. #else
  7. #undef abs
  8. #include "math.h"
  9. integer i_dnnt(doublereal *x)
  10. #endif
  11. {
  12. return( (*x)>=0 ?
  13.     floor(*x + .5) : -floor(.5 - *x) );
  14. }
  15.