# Synopsis

PDX_MSGT imth_ConcatMatrix(long option, T_IGES_124_BASE1 *entity, IMTH_MATRIX parent, IMTH_MATRIX concat)

# Purpose

Concatenate iges matrices.

# Description

This function will concatenate the iges matrices on the specified entity with the specified matrix. If entity is specified as NULL, the parent matrix will be copied to the concat matrix. The parent and concat addresses may be the same.

# Input

## option

### IMTH_TRANSPOSE

Concatenate the transpose (inverse) of the entities matrix to the data

## entity

Pointer to iges matrix entity

## parent

Parent matrix

# Output

## concat

Concatenate matrix

# Return

IGES_NOERR or error