Support manually disabling exceptionsHEADmaster

Rename EIGEN_EXCEPTIONS to EIGEN_USE_EXCEPTIONS, and allow disabling
exceptions with -DEIGEN_USE_EXCEPTIONS=0.

5 files changed, 16 insertions, 17 deletions

diff --git a/Eigen/src/Core/CommaInitializer.h b/Eigen/src/Core/CommaInitializer.h
index c0e29c75c..eb23dedd4 100644
--- a/Eigen/src/Core/CommaInitializer.h
+++ b/Eigen/src/Core/CommaInitializer.h
@@ -103,7 +103,7 @@ struct CommaInitializer
 
   EIGEN_DEVICE_FUNC
   inline ~CommaInitializer()
-#if defined VERIFY_RAISES_ASSERT && (!defined EIGEN_NO_ASSERTION_CHECKING) && defined EIGEN_EXCEPTIONS
+#if defined VERIFY_RAISES_ASSERT && (!defined EIGEN_NO_ASSERTION_CHECKING) && EIGEN_USE_EXCEPTIONS
   EIGEN_EXCEPTION_SPEC(Eigen::eigen_assert_exception)
 #endif
   {
diff --git a/Eigen/src/Core/arch/SYCL/SyclMemoryModel.h b/Eigen/src/Core/arch/SYCL/SyclMemoryModel.h
index f81e59db5..9e908fed9 100644
--- a/Eigen/src/Core/arch/SYCL/SyclMemoryModel.h
+++ b/Eigen/src/Core/arch/SYCL/SyclMemoryModel.h
@@ -25,7 +25,7 @@
 #define EIGEN_CXX11_TENSOR_TENSOR_SYCL_STORAGE_MEMORY_H
 
 #include <CL/sycl.hpp>
-#ifdef EIGEN_EXCEPTIONS
+#if EIGEN_USE_EXCEPTIONS
 #include <stdexcept>
 #endif
 #include <cstddef>
diff --git a/Eigen/src/Core/util/Macros.h b/Eigen/src/Core/util/Macros.h
index fca94a989..1f90847f9 100644
--- a/Eigen/src/Core/util/Macros.h
+++ b/Eigen/src/Core/util/Macros.h
@@ -959,9 +959,8 @@
   #undef EIGEN_INTERNAL_DEBUGGING
   #endif
 
-  #ifdef EIGEN_EXCEPTIONS
-  #undef EIGEN_EXCEPTIONS
-  #endif
+  #undef EIGEN_USE_EXCEPTIONS
+  #define EIGEN_USE_EXCEPTIONS 0
 #endif
 
 #if defined(SYCL_DEVICE_ONLY)
@@ -1378,12 +1377,16 @@ namespace Eigen {
   EIGEN_MAKE_SCALAR_BINARY_OP_ONTHERIGHT(METHOD,OPNAME)
 
 
-#if (defined(_CPPUNWIND) || defined(__EXCEPTIONS)) && !defined(EIGEN_CUDA_ARCH) && !defined(EIGEN_EXCEPTIONS) && !defined(EIGEN_USE_SYCL) && !defined(EIGEN_HIP_DEVICE_COMPILE)
-  #define EIGEN_EXCEPTIONS
+#ifndef EIGEN_USE_EXCEPTIONS
+  #if (defined(_CPPUNWIND) || defined(__EXCEPTIONS)) && !defined(EIGEN_CUDA_ARCH) && !defined(EIGEN_USE_SYCL) && !defined(EIGEN_HIP_DEVICE_COMPILE)
+    #define EIGEN_USE_EXCEPTIONS 1
+  #else
+    #define EIGEN_USE_EXCEPTIONS 0
+  #endif
 #endif
 
 
-#ifdef EIGEN_EXCEPTIONS
+#if EIGEN_USE_EXCEPTIONS
 #  define EIGEN_THROW_X(X) throw X
 #  define EIGEN_THROW throw
 #  define EIGEN_TRY try
diff --git a/Eigen/src/Core/util/Memory.h b/Eigen/src/Core/util/Memory.h
index 875318cdb..7a8afba99 100644
--- a/Eigen/src/Core/util/Memory.h
+++ b/Eigen/src/Core/util/Memory.h
@@ -66,7 +66,7 @@ namespace internal {
 EIGEN_DEVICE_FUNC
 inline void throw_std_bad_alloc()
 {
-  #ifdef EIGEN_EXCEPTIONS
+  #if EIGEN_USE_EXCEPTIONS
     throw std::bad_alloc();
   #else
     std::size_t huge = static_cast<std::size_t>(-1);
diff --git a/Eigen/src/SparseLU/SparseLU_Memory.h b/Eigen/src/SparseLU/SparseLU_Memory.h
index 349bfd585..711cb7ec3 100644
--- a/Eigen/src/SparseLU/SparseLU_Memory.h
+++ b/Eigen/src/SparseLU/SparseLU_Memory.h
@@ -76,13 +76,11 @@ Index  SparseLUImpl<Scalar,StorageIndex>::expand(VectorType& vec, Index& length,
     old_vec = vec.segment(0,nbElts); 
   
   //Allocate or expand the current vector
-#ifdef EIGEN_EXCEPTIONS
-  try
-#endif
+  EIGEN_TRY
   {
     vec.resize(new_len); 
   }
-#ifdef EIGEN_EXCEPTIONS
+#if EIGEN_USE_EXCEPTIONS
   catch(std::bad_alloc& )
 #else
   if(!vec.size())
@@ -107,13 +105,11 @@ Index  SparseLUImpl<Scalar,StorageIndex>::expand(VectorType& vec, Index& length,
       {
         alpha = (alpha + 1)/2;
         new_len = (std::max)(length+1,Index(alpha * length));
-#ifdef EIGEN_EXCEPTIONS
-        try
-#endif
+        EIGEN_TRY
         {
           vec.resize(new_len); 
         }
-#ifdef EIGEN_EXCEPTIONS
+#if EIGEN_USE_EXCEPTIONS
         catch(std::bad_alloc& )
 #else
         if (!vec.size())