Tighten up tols and try/retry broken CI

Author: ckormanyos

include/boost/decimal/detail/cmath/impl/exp_impl.hpp

@@ -66,6 +66,9 @@ constexpr auto exp_pade_appxroximant<decimal128>(decimal128 x) noexcept
 {
     // Compute exp(x) - 1 for x small.
 
+    // TODO: Does it make sense to try and improve accuracy/precision with more Pade terms?
+    // Or would a simple Tylor expansion here simply be better?
+
     // Use an order-12 Pade approximation of the exponential function.
     // PadeApproximant[Exp[x] - 1, {x, 0, 12, 12}].
 

test/test_cosh.cpp

@@ -352,7 +352,7 @@ auto main() -> int
 
   const auto result_pos64_is_ok = local::test_cosh_64(64);
 
-  const auto result_pos128_is_ok = local::test_cosh_128(500000);
+  const auto result_pos128_is_ok = local::test_cosh_128(400000);
 
   BOOST_TEST(result_pos_is_ok);
   BOOST_TEST(result_neg_is_ok);

test/test_sinh.cpp

@@ -351,7 +351,7 @@ auto main() -> int
 
   const auto result_pos64_is_ok = local::test_sinh_64(64);
 
-  const auto result_pos128_is_ok = local::test_sinh_128(500000);
+  const auto result_pos128_is_ok = local::test_sinh_128(400000);
 
   BOOST_TEST(result_pos_is_ok);
   BOOST_TEST(result_neg_is_ok);

test/test_tanh.cpp

@@ -352,7 +352,7 @@ auto main() -> int
 
   const auto result_pos64_is_ok = local::test_tanh_64(64);
 
-  const auto result_pos128_is_ok = local::test_tanh_128(500000);
+  const auto result_pos128_is_ok = local::test_tanh_128(400000);
 
   BOOST_TEST(result_pos_is_ok);
   BOOST_TEST(result_neg_is_ok);