plerry: Draw y error bar

Draws a set of n vertical error bars, the i'th error bar extending from ymin[i] to ymax[i] at x coordinate x[i]. The terminals of the error bar are of length equal to the minor tick length (settable using plsmin).

n (PLINT, input) Number of error bars to draw. x (PLFLT *, input) Pointer to array with x coordinates of error bars. ymin (PLFLT *, input) Pointer to array with y coordinates of lower endpoint of error bars. ymax (PLFLT *, input) Pointer to array with y coordinate of upper endpoint of error bar.

Redacted form:

• General: plerry(x, ymin, ymax)

• Perl/PDL: plerry(n, x, ymin, ymax)

This function is used in example 29.