From 119acc49562853a68ee3112c91e93e2ff8ff99d8 Mon Sep 17 00:00:00 2001
From: Juan Jose Garcia-Ripoll <juanjose.garciaripoll@gmail.com>
Date: Thu, 18 Jan 2024 22:03:02 +0100
Subject: [PATCH] Replace C++ with C compiler in Cython

---
 .gitignore                | 3 ++-
 setup.py                  | 2 --
 src/seemps/state/core.pyx | 1 -
 3 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/.gitignore b/.gitignore
index 7dc2eba0..3032f7ca 100644
--- a/.gitignore
+++ b/.gitignore
@@ -112,4 +112,5 @@ ipynb_output_filter
 
 #
 benchmark*.json
-*.cpp
\ No newline at end of file
+*.cpp
+*.c
diff --git a/setup.py b/setup.py
index fa72b968..8624345a 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,6 @@
         "cdivision": True,  # No exception on zero denominator
         "initializedcheck": False,  # We take care of initializing cdef classes and memory views
         "overflowcheck": False,
-        "cpp_locals": True,
         "binding": False,
     }
     if sys.platform == "linux":
@@ -51,7 +50,6 @@
     Extension(
         name,
         [file],
-        language="c++",
         define_macros=[("NPY_NO_DEPRECATED_API", "NPY_1_7_API_VERSION")],
         extra_compile_args=extra_compile_args,
         include_dirs=[np.get_include()],
diff --git a/src/seemps/state/core.pyx b/src/seemps/state/core.pyx
index 05059351..329d04dc 100644
--- a/src/seemps/state/core.pyx
+++ b/src/seemps/state/core.pyx
@@ -1,7 +1,6 @@
 import numpy as np
 cimport numpy as cnp
 from libc.math cimport sqrt
-from libcpp cimport bool
 
 MAX_BOND_DIMENSION = 0x7fffffff
 """Maximum bond dimension for any MPS."""