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C/C++ Source or Header  |  1989-05-15  |  429b  |  20 lines
  1. /* Plots single horizontal error bar */
  2.  
  3. #include "plplot.h"
  4. #include <math.h>
  5.  
  6. void plerx1(xmin,xmax,y)
  7. float xmin, xmax, y;
  8. {
  9.       float mindef, minht, xpmm, ypmm;
  10.       int yminor;
  11.       
  12.       gmin(&mindef,&minht);
  13.       gpixmm(&xpmm,&ypmm);
  14.       yminor = max(1.0,minht*ypmm);
  15.       movwor(xmin,y);
  16.       plxtik(wcpcx(xmin),wcpcy(y),yminor,yminor);
  17.       drawor(xmax,y);
  18.       plxtik(wcpcx(xmax),wcpcy(y),yminor,yminor);
  19. }
  20.