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Augment NumTraits with min/max_exponent().

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Replace usage of `std::numeric_limits<...>::min/max_exponent` in
codebase.  Also replaced some other `numeric_limits` usages in
affected tests with the `NumTraits` equivalent.

Fixes #2148
This commit is contained in:
Antonio Sanchez
2021-02-12 13:14:05 -08:00
committed by Rasmus Munk Larsen
parent 9fb7062440
commit 75ce9cd2a7
6 changed files with 74 additions and 54 deletions
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10
test/array_cwise.cpp
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@@ -14,18 +14,18 @@
template<typename Scalar>
void pow_test() {
const Scalar zero = Scalar(0);
const Scalar eps = std::numeric_limits<Scalar>::epsilon();
const Scalar eps = Eigen::NumTraits<Scalar>::epsilon();
const Scalar one = Scalar(1);
const Scalar two = Scalar(2);
const Scalar three = Scalar(3);
const Scalar sqrt_half = Scalar(std::sqrt(0.5));
const Scalar sqrt2 = Scalar(std::sqrt(2));
const Scalar inf = std::numeric_limits<Scalar>::infinity();
const Scalar nan = std::numeric_limits<Scalar>::quiet_NaN();
const Scalar inf = Eigen::NumTraits<Scalar>::infinity();
const Scalar nan = Eigen::NumTraits<Scalar>::quiet_NaN();
const Scalar denorm_min = std::numeric_limits<Scalar>::denorm_min();
const Scalar min = (std::numeric_limits<Scalar>::min)();
const Scalar max = (std::numeric_limits<Scalar>::max)();
const Scalar max_exp = (static_cast<Scalar>(int(std::numeric_limits<Scalar>::max_exponent)) * Scalar(EIGEN_LN2)) / eps;
const Scalar max_exp = (static_cast<Scalar>(int(Eigen::NumTraits<Scalar>::max_exponent())) * Scalar(EIGEN_LN2)) / eps;
const static Scalar abs_vals[] = {zero,
denorm_min,
@@ -613,7 +613,7 @@ template<typename ArrayType> void min_max(const ArrayType& m)
// min/max with various NaN propagation options.
if (m1.size() > 1 && !NumTraits<Scalar>::IsInteger) {
m1(0,0) = std::numeric_limits<Scalar>::quiet_NaN();
m1(0,0) = NumTraits<Scalar>::quiet_NaN();
maxM1 = m1.template maxCoeff<PropagateNaN>();
minM1 = m1.template minCoeff<PropagateNaN>();
VERIFY((numext::isnan)(maxM1));