# Synopsis

PDX_MSGT igeo_Reverse100(long option, MDA_PTR db_ptr)

# Purpose

Reverse an IGES arc curve defintion

# Description

Reverses the arc curve such that the start point becomes the endpoint and vice versa. The reversal is accomplished by creating a mirror matrix and reversing the arc such that the IGES arc definition is valid, but the arc after mirroring is in the reversed direction. The IGES arc curve entity must be a valid IGES definition.

# Input

## option

(Not used)

## db_ptr

The valid IGES 100 arc curve entity database pointer

# Return

          IGEO_NOERR
          Low level error return
          .fi