--- a/libinterp/corefcn/mappers.cc	Fri Aug 28 16:06:32 2020 +0200
+++ b/libinterp/corefcn/mappers.cc	Fri Sep 04 13:32:25 2020 +0200
@@ -133,10 +133,10 @@
 %! v = [0, pi, pi/2, pi/2];
 %! assert (real (acos (x)), v);
 
-%!xtest <*52627>
+%!xtest <52627>
 %! ## Same test code as above, but intended only for test statistics on Mac and
 %! ## Windows.  Their trig/hyperbolic functions have huge tolerances.
-%! if (! ismac ()), return; endif
+%! if (! ismac () && ! ispc ()), return; endif
 %! x = [1, -1, i, -i] .* 1e150;
 %! v = [0, pi, pi/2, pi/2];
 %! assert (real (acos (x)), v);
@@ -208,10 +208,10 @@
 %! v = [0, pi, pi/2, -pi/2];
 %! assert (imag (acosh (x)), v);
 
-%!xtest <*52627>
+%!xtest <52627>
 %! ## Same test code as above, but intended only for test statistics on Mac and
 %! ## Windows.  Their trig/hyperbolic functions have huge tolerances.
-%! if (! ismac ()), return; endif
+%! if (! ismac () && ! ispc ()), return; endif
 %! x = [1, -1, i, -i] .* 1e150;
 %! v = [0, pi, pi/2, -pi/2];
 %! assert (imag (acosh (x)), v);
@@ -336,10 +336,10 @@
 %! v = [pi/2, -pi/2, 0, -0];
 %! assert (real (asin (x)), v);
 
-%!xtest <*52627>
+%!xtest <52627>
 %! ## Same test code as above, but intended only for test statistics on Mac and
 %! ## Windows. Their trig/hyperbolic functions have huge tolerances.
-%! if (! ismac ()), return; endif
+%! if (! ismac () && ! ispc ()), return; endif
 %! x = [1, -1, i, -i] .* 1e150;
 %! v = [pi/2, -pi/2, 0, -0];
 %! assert (real (asin (x)), v);
@@ -379,10 +379,10 @@
 %! v = [0, 0, pi/2, -pi/2];
 %! assert (imag (asinh (x)), v);
 
-%!xtest <*52627>
+%!xtest <52627>
 %! ## Same test code as above, but intended only for test statistics on Mac and
 %! ## Windows.  Their trig/hyperbolic functions have huge tolerances.
-%! if (! ismac ()), return; endif
+%! if (! ismac () && ! ispc ()), return; endif
 %! x = [1, -1, i, -i] .* 1e150;
 %! v = [0, 0, pi/2, -pi/2];
 %! assert (imag (asinh (x)), v);