Merge pull request #26558 from xzdlj/prevent-extra-dot

sympy · May 5, 2024 · 0859517 · 0859517
2 parents a4e651a + 28ba412
commit 0859517
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Showing 3 changed files with 6 additions and 2 deletions.
diff --git a/.mailmap b/.mailmap
@@ -1645,6 +1645,7 @@ vishal <vishal.panjwani15@gmail.com>
 w495 <w495@yandex-team.ru>
 wookie184 <wookie1840@gmail.com>
 wuyudi <wuyudi119@163.com>
+xzdlj <xzdlj@outlook.com>
 ylemkimon <ylemkimon@naver.com> <mail@ylem.kim>
 znxftw <vishnu2101@gmail.com>
 zsc347 <zsc347@gmail.com>

diff --git a/sympy/printing/latex.py b/sympy/printing/latex.py
@@ -120,7 +120,7 @@
 
 _between_two_numbers_p = (
     re.compile(r'[0-9][} ]*$'),  # search
-    re.compile(r'[0-9]'),  # match
+    re.compile(r'(\d|\\frac{\d+}{\d+})'),  # match
 )
 
 
@@ -548,7 +548,7 @@ def convert_args(args) -> str:
                         term_tex = r"\left(%s\right)" % term_tex
 
                     if  _between_two_numbers_p[0].search(last_term_tex) and \
-                        _between_two_numbers_p[1].match(str(term)):
+                        _between_two_numbers_p[1].match(term_tex):
                         # between two numbers
                         _tex += numbersep
                     elif _tex:

diff --git a/sympy/printing/tests/test_latex.py b/sympy/printing/tests/test_latex.py
@@ -133,6 +133,9 @@ def test_latex_basic():
     assert latex(Mul(S.Half, -5, S.Half, evaluate=False)) == r"\frac{1}{2} \left(-5\right) \frac{1}{2}"
     assert latex(Mul(5, I, 5, evaluate=False)) == r"5 i 5"
     assert latex(Mul(5, I, -5, evaluate=False)) == r"5 i \left(-5\right)"
+    assert latex(Mul(Pow(x, 2), S.Half*x + 1)) == r"x^{2} \left(\frac{x}{2} + 1\right)"
+    assert latex(Mul(Pow(x, 3), Rational(2, 3)*x + 1)) == r"x^{3} \left(\frac{2 x}{3} + 1\right)"
+    assert latex(Mul(Pow(x, 11), 2*x + 1)) == r"x^{11} \left(2 x + 1\right)"
 
     assert latex(Mul(0, 1, evaluate=False)) == r'0 \cdot 1'
     assert latex(Mul(1, 0, evaluate=False)) == r'1 \cdot 0'