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Vectorize isfinite and isinf.

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This commit is contained in:
Rasmus Munk Larsen
2024-05-29 00:20:12 +00:00
committed by Charles Schlosser
parent 5a9f66fb35
commit 9148c47d67
4 changed files with 110 additions and 21 deletions
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9
unsupported/Eigen/CXX11/src/Tensor/TensorBase.h
View File

@@ -618,16 +618,15 @@ class TensorBase<Derived, ReadOnlyAccessors>
(isnan)() const {
return unaryExpr(internal::scalar_isnan_op<Scalar, true>()).template cast<bool>();
}
EIGEN_DEVICE_FUNC
EIGEN_STRONG_INLINE const TensorCwiseUnaryOp<internal::scalar_isinf_op<Scalar>, const Derived>
EIGEN_STRONG_INLINE const TensorConversionOp<bool, const TensorCwiseUnaryOp<internal::scalar_isinf_op<Scalar, true>, const Derived>>
(isinf)() const {
return unaryExpr(internal::scalar_isinf_op<Scalar>());
return unaryExpr(internal::scalar_isinf_op<Scalar, true>()).template cast<bool>();
}
EIGEN_DEVICE_FUNC
EIGEN_STRONG_INLINE const TensorCwiseUnaryOp<internal::scalar_isfinite_op<Scalar>, const Derived>
EIGEN_STRONG_INLINE const TensorConversionOp<bool, const TensorCwiseUnaryOp<internal::scalar_isfinite_op<Scalar, true>, const Derived>>
(isfinite)() const {
return unaryExpr(internal::scalar_isfinite_op<Scalar>());
return unaryExpr(internal::scalar_isfinite_op<Scalar, true>()).template cast<bool>();
}
// Coefficient-wise ternary operators.

53
unsupported/test/cxx11_tensor_comparisons.cpp
View File

@@ -132,8 +132,61 @@ static void test_isnan() {
}
}
static void test_isinf() {
Tensor<Scalar, 3> mat(2, 3, 7);
mat.setRandom();
for (int i = 0; i < 2; ++i) {
for (int j = 0; j < 3; ++j) {
for (int k = 0; k < 7; ++k) {
if (internal::random<bool>()) {
mat(i, j, k) = std::numeric_limits<Scalar>::infinity();
}
}
}
}
Tensor<bool, 3> inf(2, 3, 7);
inf = (mat.isinf)();
for (int i = 0; i < 2; ++i) {
for (int j = 0; j < 3; ++j) {
for (int k = 0; k < 7; ++k) {
VERIFY_IS_EQUAL(inf(i, j, k), (std::isinf)(mat(i, j, k)));
}
}
}
}
static void test_isfinite() {
Tensor<Scalar, 3> mat(2, 3, 7);
mat.setRandom();
for (int i = 0; i < 2; ++i) {
for (int j = 0; j < 3; ++j) {
for (int k = 0; k < 7; ++k) {
if (internal::random<bool>()) {
mat(i, j, k) = std::numeric_limits<Scalar>::infinity();
}
if (internal::random<bool>()) {
mat(i, j, k) = std::numeric_limits<Scalar>::quiet_NaN();
}
}
}
}
Tensor<bool, 3> inf(2, 3, 7);
inf = (mat.isfinite)();
for (int i = 0; i < 2; ++i) {
for (int j = 0; j < 3; ++j) {
for (int k = 0; k < 7; ++k) {
VERIFY_IS_EQUAL(inf(i, j, k), (std::isfinite)(mat(i, j, k)));
}
}
}
}
EIGEN_DECLARE_TEST(cxx11_tensor_comparisons) {
CALL_SUBTEST(test_orderings());
CALL_SUBTEST(test_equality());
CALL_SUBTEST(test_isnan());
CALL_SUBTEST(test_isinf());
CALL_SUBTEST(test_isfinite());
}