Merge pull request sympy#19235 from eric-wieser/include-hyperbolic-in-inv_trig

sylee957 · web-flow · commit 8dce5aa34bdc · 2020-05-03T08:15:44.000+09:00
Respect `inv_trig_style` in inverse hyperbolic trig functions
diff --git a/sympy/printing/latex.py b/sympy/printing/latex.py
@@ -851,7 +851,12 @@ def _print_Function(self, expr, exp=None):
                 len(args) == 1 and \
                 not self._needs_function_brackets(expr.args[0])
 
-            inv_trig_table = ["asin", "acos", "atan", "acsc", "asec", "acot"]
+            inv_trig_table = [
+                "asin", "acos", "atan",
+                "acsc", "asec", "acot",
+                "asinh", "acosh", "atanh",
+                "acsch", "asech", "acoth",
+            ]
 
             # If the function is an inverse trig function, handle the style
             if func in inv_trig_table:
diff --git a/sympy/printing/tests/test_latex.py b/sympy/printing/tests/test_latex.py
@@ -8,7 +8,7 @@
     Lambda, LaplaceTransform, Limit, Matrix, Max, MellinTransform, Min, Mul,
     Order, Piecewise, Poly, ring, field, ZZ, Pow, Product, Range, Rational,
     RisingFactorial, rootof, RootSum, S, Shi, Si, SineTransform, Subs,
-    Sum, Symbol, ImageSet, Tuple, Ynm, Znm, arg, asin, acsc, Mod,
+    Sum, Symbol, ImageSet, Tuple, Ynm, Znm, arg, asin, acsc, asinh, Mod,
     assoc_laguerre, assoc_legendre, beta, binomial, catalan, ceiling,
     chebyshevt, chebyshevu, conjugate, cot, coth, diff, dirichlet_eta, euler,
     exp, expint, factorial, factorial2, floor, gamma, gegenbauer, hermite,
@@ -379,6 +379,8 @@ def test_latex_functions():
         r"\sin^{-1} {x^{2}}"
     assert latex(acsc(x), inv_trig_style="full") == \
         r"\operatorname{arccsc}{\left(x \right)}"
+    assert latex(asinh(x), inv_trig_style="full") == \
+        r"\operatorname{arcsinh}{\left(x \right)}"
 
     assert latex(factorial(k)) == r"k!"
     assert latex(factorial(-k)) == r"\left(- k\right)!"
