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Rename free functions isFinite, isInf, isNaN to be compatible with c++11

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This commit is contained in:
Gael Guennebaud
2015-06-10 16:17:09 +02:00
parent 25a98be948
commit b0d5aaafcc
7 changed files with 77 additions and 93 deletions
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58
test/stable_norm.cpp
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@@ -9,14 +9,6 @@
#include "main.h"
// workaround aggressive optimization in ICC
template<typename T> EIGEN_DONT_INLINE T sub(T a, T b) { return a - b; }
template<typename T> bool isFinite(const T& x)
{
return isNotNaN(sub(x,x));
}
template<typename T> EIGEN_DONT_INLINE T copy(const T& x)
{
return x;
@@ -76,19 +68,19 @@ template<typename MatrixType> void stable_norm(const MatrixType& m)
RealScalar size = static_cast<RealScalar>(m.size());
// test isFinite
VERIFY(!isFinite( std::numeric_limits<RealScalar>::infinity()));
VERIFY(!isFinite(sqrt(-abs(big))));
// test numext::isfinite
VERIFY(!numext::isfinite( std::numeric_limits<RealScalar>::infinity()));
VERIFY(!numext::isfinite(sqrt(-abs(big))));
// test overflow
VERIFY(isFinite(sqrt(size)*abs(big)));
VERIFY(numext::isfinite(sqrt(size)*abs(big)));
VERIFY_IS_NOT_APPROX(sqrt(copy(vbig.squaredNorm())), abs(sqrt(size)*big)); // here the default norm must fail
VERIFY_IS_APPROX(vbig.stableNorm(), sqrt(size)*abs(big));
VERIFY_IS_APPROX(vbig.blueNorm(), sqrt(size)*abs(big));
VERIFY_IS_APPROX(vbig.hypotNorm(), sqrt(size)*abs(big));
// test underflow
VERIFY(isFinite(sqrt(size)*abs(small)));
VERIFY(numext::isfinite(sqrt(size)*abs(small)));
VERIFY_IS_NOT_APPROX(sqrt(copy(vsmall.squaredNorm())), abs(sqrt(size)*small)); // here the default norm must fail
VERIFY_IS_APPROX(vsmall.stableNorm(), sqrt(size)*abs(small));
VERIFY_IS_APPROX(vsmall.blueNorm(), sqrt(size)*abs(small));
@@ -111,33 +103,33 @@ template<typename MatrixType> void stable_norm(const MatrixType& m)
{
v = vrand;
v(i,j) = std::numeric_limits<RealScalar>::quiet_NaN();
VERIFY(!isFinite(v.squaredNorm())); VERIFY(numext::isNaN(v.squaredNorm()));
VERIFY(!isFinite(v.norm())); VERIFY(numext::isNaN(v.norm()));
VERIFY(!isFinite(v.stableNorm())); VERIFY(numext::isNaN(v.stableNorm()));
VERIFY(!isFinite(v.blueNorm())); VERIFY(numext::isNaN(v.blueNorm()));
VERIFY(!isFinite(v.hypotNorm())); VERIFY(numext::isNaN(v.hypotNorm()));
VERIFY(!numext::isfinite(v.squaredNorm())); VERIFY(numext::isnan(v.squaredNorm()));
VERIFY(!numext::isfinite(v.norm())); VERIFY(numext::isnan(v.norm()));
VERIFY(!numext::isfinite(v.stableNorm())); VERIFY(numext::isnan(v.stableNorm()));
VERIFY(!numext::isfinite(v.blueNorm())); VERIFY(numext::isnan(v.blueNorm()));
VERIFY(!numext::isfinite(v.hypotNorm())); VERIFY(numext::isnan(v.hypotNorm()));
}
// +inf
{
v = vrand;
v(i,j) = std::numeric_limits<RealScalar>::infinity();
VERIFY(!isFinite(v.squaredNorm())); VERIFY(isPlusInf(v.squaredNorm()));
VERIFY(!isFinite(v.norm())); VERIFY(isPlusInf(v.norm()));
VERIFY(!isFinite(v.stableNorm())); VERIFY(isPlusInf(v.stableNorm()));
VERIFY(!isFinite(v.blueNorm())); VERIFY(isPlusInf(v.blueNorm()));
VERIFY(!isFinite(v.hypotNorm())); VERIFY(isPlusInf(v.hypotNorm()));
VERIFY(!numext::isfinite(v.squaredNorm())); VERIFY(isPlusInf(v.squaredNorm()));
VERIFY(!numext::isfinite(v.norm())); VERIFY(isPlusInf(v.norm()));
VERIFY(!numext::isfinite(v.stableNorm())); VERIFY(isPlusInf(v.stableNorm()));
VERIFY(!numext::isfinite(v.blueNorm())); VERIFY(isPlusInf(v.blueNorm()));
VERIFY(!numext::isfinite(v.hypotNorm())); VERIFY(isPlusInf(v.hypotNorm()));
}
// -inf
{
v = vrand;
v(i,j) = -std::numeric_limits<RealScalar>::infinity();
VERIFY(!isFinite(v.squaredNorm())); VERIFY(isPlusInf(v.squaredNorm()));
VERIFY(!isFinite(v.norm())); VERIFY(isPlusInf(v.norm()));
VERIFY(!isFinite(v.stableNorm())); VERIFY(isPlusInf(v.stableNorm()));
VERIFY(!isFinite(v.blueNorm())); VERIFY(isPlusInf(v.blueNorm()));
VERIFY(!isFinite(v.hypotNorm())); VERIFY(isPlusInf(v.hypotNorm()));
VERIFY(!numext::isfinite(v.squaredNorm())); VERIFY(isPlusInf(v.squaredNorm()));
VERIFY(!numext::isfinite(v.norm())); VERIFY(isPlusInf(v.norm()));
VERIFY(!numext::isfinite(v.stableNorm())); VERIFY(isPlusInf(v.stableNorm()));
VERIFY(!numext::isfinite(v.blueNorm())); VERIFY(isPlusInf(v.blueNorm()));
VERIFY(!numext::isfinite(v.hypotNorm())); VERIFY(isPlusInf(v.hypotNorm()));
}
// mix
@@ -147,11 +139,11 @@ template<typename MatrixType> void stable_norm(const MatrixType& m)
v = vrand;
v(i,j) = -std::numeric_limits<RealScalar>::infinity();
v(i2,j2) = std::numeric_limits<RealScalar>::quiet_NaN();
VERIFY(!isFinite(v.squaredNorm())); VERIFY(numext::isNaN(v.squaredNorm()));
VERIFY(!isFinite(v.norm())); VERIFY(numext::isNaN(v.norm()));
VERIFY(!isFinite(v.stableNorm())); VERIFY(numext::isNaN(v.stableNorm()));
VERIFY(!isFinite(v.blueNorm())); VERIFY(numext::isNaN(v.blueNorm()));
VERIFY(!isFinite(v.hypotNorm())); VERIFY(numext::isNaN(v.hypotNorm()));
VERIFY(!numext::isfinite(v.squaredNorm())); VERIFY(numext::isnan(v.squaredNorm()));
VERIFY(!numext::isfinite(v.norm())); VERIFY(numext::isnan(v.norm()));
VERIFY(!numext::isfinite(v.stableNorm())); VERIFY(numext::isnan(v.stableNorm()));
VERIFY(!numext::isfinite(v.blueNorm())); VERIFY(numext::isnan(v.blueNorm()));
VERIFY(!numext::isfinite(v.hypotNorm())); VERIFY(numext::isnan(v.hypotNorm()));
}
}