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Patch by Kenneth Riddile: disable MSVC warnings, reenable them outside

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of Eigen, and add a MSVC-friendly path in StaticAssert.
This commit is contained in:
Benoit Jacob
2008-12-18 20:48:02 +00:00
parent fabaa6915b
commit 8106d35408
11 changed files with 56 additions and 4 deletions
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16
Eigen/src/Core/util/StaticAssert.h
View File

@@ -74,8 +74,20 @@
};
};
#define EIGEN_STATIC_ASSERT(CONDITION,MSG) \
if (Eigen::ei_static_assert<CONDITION ? true : false>::MSG) {}
// Specialized implementation for MSVC to avoid "conditional
// expression is constant" warnings. This implementation doesn't
// appear to work under GCC, hence the multiple implementations.
#ifdef _MSC_VER
#define EIGEN_STATIC_ASSERT(CONDITION,MSG) \
{Eigen::ei_static_assert<CONDITION ? true : false>::MSG;}
#else
#define EIGEN_STATIC_ASSERT(CONDITION,MSG) \
if (Eigen::ei_static_assert<CONDITION ? true : false>::MSG) {}
#endif
#endif // not CXX0X

2
Eigen/src/Geometry/Quaternion.h
View File

@@ -279,7 +279,7 @@ inline Quaternion<Scalar>& Quaternion<Scalar>::operator=(const Quaternion& other
template<typename Scalar>
inline Quaternion<Scalar>& Quaternion<Scalar>::operator=(const AngleAxisType& aa)
{
Scalar ha = 0.5*aa.angle();
Scalar ha = Scalar(0.5)*aa.angle(); // Scalar(0.5) to suppress precision loss warnings
this->w() = ei_cos(ha);
this->vec() = ei_sin(ha) * aa.axis();
return *this;