# Synopsis

PDX_MSGT gdx_GetCurveRationality(long option, MDA_PTR db_ptr, PDX_BOOL *rational)

# Purpose

Determine if a GDX curve is rational.

# Description

Determines if a GDX curve is rational.

# Input

## option

Options (not used)

## db_ptr

The GDX curve entity database pointer

# Output

## rational

### PDX_TRUE

The curve is rational

### PDX_FALSE

The curve is non-rational

# Return

          GDX_NOERR
          Low level error return
          .fi