From 8c4cd263bbba8c4bb51b762046e1c29162406671 Mon Sep 17 00:00:00 2001
From: Brent Westbrook <brentrwestbrook@gmail.com>
Date: Mon, 19 Aug 2024 14:38:22 -0400
Subject: [PATCH] I3st has the same representation as I1st

because it's only implemented (to the extent that it is implemented) for
fundamentals, so there's no concern about stuff like (1,1,1) as in I2st
---
 spectro/src/lib.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/spectro/src/lib.rs b/spectro/src/lib.rs
index 27994ea..2fbba42 100644
--- a/spectro/src/lib.rs
+++ b/spectro/src/lib.rs
@@ -876,7 +876,7 @@ impl Spectro {
         let mut ret = Vec::new();
         for nst in 0..nstop {
             match &states[nst] {
-                State::I1st(v) => {
+                State::I1st(v) | State::I3st(v) => {
                     // accept all zeros=ground state or a single 1=fund
                     if v.iter().sum::<usize>() > 1 {
                         continue;
@@ -887,7 +887,6 @@ impl Spectro {
                         continue;
                     }
                 }
-                State::I3st(_) => todo!(),
                 State::I12st { i1st: _, i2st: _ } => continue,
             }
             let vib1 = rotnst[(nst, ia)] - self.rotcon[ia];