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Ref T231, disable ARTISTIC forammting for some areas

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This commit is contained in:
Klaus Basan
2018-01-26 04:28:33 +01:00
parent 5829917694
commit 17e4dbbd46
1 changed files with 5 additions and 0 deletions
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5
src/blackmisc/simulation/interpolatorspline.cpp
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@@ -27,6 +27,7 @@ namespace BlackMisc
template <size_t N>
std::array<double, N> solveTridiagonal(std::array<std::array<double, N>, N> &matrix, std::array<double, N> &d)
{
// *INDENT-OFF*
const auto a = [&matrix](auto i) -> double& { return matrix[i][i-1]; }; // subdiagonal
const auto b = [&matrix](auto i) -> double& { return matrix[i][i ]; }; // main diagonal
const auto c = [&matrix](auto i) -> double& { return matrix[i][i+1]; }; // superdiagonal
@@ -47,6 +48,7 @@ namespace BlackMisc
d[i] -= c(i) * d[i+1];
}
return d;
// *INDENT-ON*
}
//! \private Linear equation expressed as tridiagonal matrix.
@@ -58,6 +60,7 @@ namespace BlackMisc
std::array<std::array<double, N>, N> a {{}};
std::array<double, N> b {{}};
// *INDENT-OFF*
a[0][0] = 2.0 / (x[1] - x[0]);
a[0][1] = 1.0 / (x[1] - x[0]);
b[0] = 3.0 * (y[1] - y[0]) / ((x[1] - x[0]) * (x[1] - x[0]));
@@ -74,6 +77,8 @@ namespace BlackMisc
b[i] = 3.0 * (y[i] - y[i-1]) / ((x[i] - x[i-1]) * (x[i] - x[i-1]))
+ 3.0 * (y[i+1] - y[i]) / ((x[i+1] - x[i]) * (x[i+1] - x[i]));
}
// *INDENT-ON*
solveTridiagonal(a, b);
return b;
}