PostGIS  2.1.10dev-r@@SVN_REVISION@@
double lwline_length ( const LWLINE line)

Definition at line 496 of file lwline.c.

References lwline_is_empty(), LWLINE::points, and ptarray_length().

Referenced by lwgeom_length().

497 {
498  if ( lwline_is_empty(line) )
499  return 0.0;
500  return ptarray_length(line->points);
501 }
int lwline_is_empty(const LWLINE *line)
Definition: lwline.c:464
double ptarray_length(const POINTARRAY *pts)
Find the 3d/2d length of the given POINTARRAY (depending on its dimensionality)
Definition: ptarray.c:1614
Definition: liblwgeom.h:378

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