| Re: [eigen] Fix for invalid integer constant |
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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] Fix for invalid integer constant
- From: Gael Guennebaud <gael.guennebaud@xxxxxxxxx>
- Date: Fri, 6 Jan 2012 09:33:11 +0100
- Cc: Sameer Agarwal <sameeragarwal@xxxxxxxxxx>
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sounds good to me, patch applied. thanks.
gael
On Fri, Jan 6, 2012 at 8:23 AM, Keir Mierle <mierle@xxxxxxxxx> wrote:
> The attached patch fixes the following compile error, which happens when
> compiling Eigen with some C++11 warnings turned on in Clang.
>
> ./third_party/eigen3/Eigen/src/LU/arch/Inverse_SSE.h:58:60: error: constant
> expression evaluates to 2147483648 which cannot be narrowed to type 'int' in
> C++11 [-Werror,-Wc++11-narrowing]
> EIGEN_ALIGN16 const int _Sign_PNNP[4] = { 0x00000000, 0x80000000,
> 0x80000000, 0x00000000 };
> ^~~~~~~~~~
> ./third_party/eigen3/Eigen/src/LU/arch/Inverse_SSE.h:58:60: note: override
> this message by inserting an explicit cast
> EIGEN_ALIGN16 const int _Sign_PNNP[4] = { 0x00000000, 0x80000000,
> 0x80000000, 0x00000000 };
> ^~~~~~~~~~
> static_cas)<int>(
> ./third_party/eigen3/Eigen/src/LU/arch/Inverse_SSE.h:58:72: error: constant
> expression evaluates to 2147483648 which cannot be narrowed to type 'int' in
> C++11 [-Werror,-Wc++11-narrowing]
> EIGEN_ALIGN16 const int _Sign_PNNP[4] = { 0x00000000, 0x80000000,
> 0x80000000, 0x00000000 };
>
> ^~~~~~~~~~
> ./third_party/eigen3/Eigen/src/LU/arch/Inverse_SSE.h:58:72: note: override
> this message by inserting an explicit cast
> EIGEN_ALIGN16 const int _Sign_PNNP[4] = { 0x00000000, 0x80000000,
> 0x80000000, 0x00000000 };
>
> ^~~~~~~~~~
>
> static_cas)<int>(
> ./third_party/eigen3/Eigen/src/LU/arch/Inverse_SSE.h:58:60: error: constant
> expression evaluates to 2147483648 which cannot be narrowed to type 'int' in
> C++11 [-Werror,-Wc++11-narrowing]
> EIGEN_ALIGN16 const int _Sign_PNNP[4] = { 0x00000000, 0x80000000,
> 0x80000000, 0x00000000 };
> ^~~~~~~~~~
> ./third_party/eigen3/Eigen/src/LU/arch/Inverse_SSE.h:58:60: note: override
> this message by inserting an explicit cast
> EIGEN_ALIGN16 const int _Sign_PNNP[4] = { 0x00000000, 0x80000000,
> 0x80000000, 0x00000000 };
> ^~~~~~~~~~
> static_cas)<int>(
> ./third_party/eigen3/Eigen/src/LU/arch/Inverse_SSE.h:58:72: error: constant
> expression evaluates to 2147483648 which cannot be narrowed to type 'int' in
> C++11 [-Werror,-Wc++11-narrowing]
> EIGEN_ALIGN16 const int _Sign_PNNP[4] = { 0x00000000, 0x80000000,
> 0x80000000, 0x00000000 };
>
> ^~~~~~~~~~
> ./third_party/eigen3/Eigen/src/LU/arch/Inverse_SSE.h:58:72: note: override
> this message by inserting an explicit cast
> EIGEN_ALIGN16 const int _Sign_PNNP[4] = { 0x00000000, 0x80000000,
> 0x80000000, 0x00000000 };
>
> ^~~~~~~~~~
>
> static_cas)<int>(
>
> Let me know if more details are needed.
>
> Keir