From 0b6c2ee2db33b659032ca5a3b5596e289cbfd378 Mon Sep 17 00:00:00 2001
From: Fionn Malone <fmalone@google.com>
Date: Wed, 24 Jul 2024 10:49:56 -0700
Subject: [PATCH] Update QPIC \otimes and ^ (#1186)

* Add otimes replacement.

* Fix some latex translations for qpic.

---------

Co-authored-by: Matthew Harrigan <mpharrigan@google.com>
---
 qualtran/bloqs/arithmetic/comparison.py | 4 ++--
 qualtran/drawing/qpic_diagram.py        | 3 +++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/qualtran/bloqs/arithmetic/comparison.py b/qualtran/bloqs/arithmetic/comparison.py
index 64881e075..2b324208c 100644
--- a/qualtran/bloqs/arithmetic/comparison.py
+++ b/qualtran/bloqs/arithmetic/comparison.py
@@ -81,7 +81,7 @@ def wire_symbol(
         if reg.name == 'x':
             return TextBox("x")
         if reg.name == 'target':
-            return TextBox("z^(x<a)")
+            return TextBox("z∧(x<a)")
         raise ValueError(f'Unknown register name {reg.name}')
 
     def registers(self) -> Sequence[Union[int, Sequence[int]]]:
@@ -468,7 +468,7 @@ def wire_symbol(
         if reg.name == "y":
             return TextBox('y')
         if reg.name == "target":
-            return TextBox('z^(x<=y)')
+            return TextBox('z∧(x<=y)')
         raise ValueError(f'Unknown register name {reg.name}')
 
     def on_classical_vals(self, *, x: int, y: int, target: int) -> Dict[str, 'ClassicalValT']:
diff --git a/qualtran/drawing/qpic_diagram.py b/qualtran/drawing/qpic_diagram.py
index 583c42fcd..e4936b366 100644
--- a/qualtran/drawing/qpic_diagram.py
+++ b/qualtran/drawing/qpic_diagram.py
@@ -50,9 +50,12 @@ def _format_label_text(label: str, scale: float = 0.8) -> str:
     replacements = {
         '&': r'\&',
         '_': r'\_',
+        '<=': r'$\le$',
+        '>=': r'$\ge$',
         '<': r'$<$',
         '>': r'$>$',
         '⨁': r'$\oplus$',
+        '⨂': r'$\otimes$',
         '∧': r'$\land$',
     }
     for key, val in replacements.items():