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improve bounds checks in Chebyshev2

release/4.3a0
Varun Agrawal 2023-09-18 23:04:53 -04:00
parent 1b909d2eea
commit b766093022
1 changed files with 2 additions and 2 deletions
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4
gtsam/basis/Chebyshev2.cpp
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@ -32,7 +32,7 @@ Weights Chebyshev2::CalculateWeights(size_t N, double x, double a, double b) {
const double dj =
x - Point(N, j, a, b); // only thing that depends on [a,b]
if (std::abs(dj) < 1e-10) {
if (std::abs(dj) < 1e-12) {
// exceptional case: x coincides with a Chebyshev point
weights.setZero();
weights(j) = 1;
@ -73,7 +73,7 @@ Weights Chebyshev2::DerivativeWeights(size_t N, double x, double a, double b) {
for (size_t j = 0; j < N; j++) {
const double dj =
x - Point(N, j, a, b); // only thing that depends on [a,b]
if (std::abs(dj) < 1e-10) {
if (std::abs(dj) < 1e-12) {
// exceptional case: x coincides with a Chebyshev point
weightDerivatives.setZero();
// compute the jth row of the differentiation matrix for this point