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Text File  |  1991-07-08  |  181b  |  9 lines
  1. /* ceil function */
  2. #include "xmath.h"
  3.  
  4. double (ceil)(double x)
  5.         {       /* compute ceil(x) */
  6.         return (_Dint(&x, 0) < 0 && 0.0 < x ? x + 1.0 : x);
  7.         }
  8.  
  9.