[postgis-tickets] [PostGIS] #4171: Add ST_3DLineInterpolatePoint

[PostGIS]

#4171: Add ST_3DLineInterpolatePoint
------------------------+---------------------------------------
  Reporter:  jcabieces  |      Owner:  pramsey
      Type:  patch      |     Status:  new
  Priority:  medium     |  Milestone:  PostGIS 3.0.0
 Component:  postgis    |    Version:  trunk
Resolution:             |   Keywords:  ST_3DLineInterpolatePoint
------------------------+---------------------------------------

Comment (by komzpa):

 patch does not build on CI:
 {{{
 lwline.c:611:1: error: no previous prototype for
 'lwline_interpolate_point_3d' [-Werror=missing-prototypes]
  lwline_interpolate_point_3d(const LWLINE *line, double distance)
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
 }}}

 was some header lost there?

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4171#comment:3>
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