# Synopsis

(macro) void gdx_SetApproxAttrBrkPnt(long option, long attr_ndx, long brk_pnt_ndx)

# Purpose

Sets the linear approximation attribute break point

# Description

Sets the attribute break point based on the brk_pnt_ndx to indicate that new attributes for a segment start at the brk_pnt_ndx No error checking is performed and it is assumed that a workspace is currently allocated.

# Input

## option

Not used

## attr_ndx

The index of the attribute break point to set

## brk_pnt_ndx

The break point to set the attribute break point to to start a new attribute