commit 39fb9eeccf2e79542acad9bbf5196e462c1b2cee
author Gael Guennebaud <g.gael@free.fr> Mon Oct 14 22:50:23 2019 +0200
committer Gael Guennebaud <g.gael@free.fr> Mon Oct 14 22:50:23 2019 +0200
tree 5be017d5178afbeb249fe68866c607ec901f51a2
parent a411e9f344a354673b72a490433cf3cc2148ddf1

bug #1747: fix compilation with MSVC

unsupported/Eigen/src/SpecialFunctions/BesselFunctionsImpl.h

diff --git a/unsupported/Eigen/src/SpecialFunctions/BesselFunctionsImpl.h b/unsupported/Eigen/src/SpecialFunctions/BesselFunctionsImpl.h
index 6d7c8bf..856caaf 100644
--- a/unsupported/Eigen/src/SpecialFunctions/BesselFunctionsImpl.h
+++ b/unsupported/Eigen/src/SpecialFunctions/BesselFunctionsImpl.h
@@ -668,7 +668,7 @@
     x_le_two = pselect(pcmp_le(x, pset1<T>(0.0)), MAXNUM, x_le_two);
     T x_gt_two = pmul(
         pmul(
-            pexp(-x),
+            pexp(pnegate(x)),
             internal::pchebevl<T, 10>::run(
                 psub(pdiv(pset1<T>(8.0), x), two), B)),
         prsqrt(x));