From f6f9e105a25fef2486860aca3f5cc7dc506c8451 Mon Sep 17 00:00:00 2001
From: tankya2 <tankya2@ihpc.a-star.edu.sg>
Date: Fri, 3 Nov 2023 17:08:03 +0800
Subject: [PATCH] Added check for initial conditions

---
 src/qibotn/backends.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/qibotn/backends.py b/src/qibotn/backends.py
index 98294ec..f1d0baf 100644
--- a/src/qibotn/backends.py
+++ b/src/qibotn/backends.py
@@ -43,13 +43,17 @@ class QiboTNBackend(NumpyBackend):
             xxx.
 
         """
-        if initial_state is not None:
-            raise_error(NotImplementedError, "QiboTN cannot support initial state.")
 
         if self.platform == "cu_tensornet":
+            if initial_state is not None:
+                raise_error(NotImplementedError, "QiboTN cannot support initial state.")
+
             state = cutn.eval(circuit, self.dtype)
 
         if self.platform == "cu_mps":
+            if initial_state is not None:
+                raise_error(NotImplementedError, "QiboTN cannot support initial state.")
+
             gate_algo = {
                 "qr_method": False,
                 "svd_method": {