From: Vadim Gallyamov Date: Wed, 8 Feb 2023 20:48:33 +0000 (+0100) Subject: changed std::pow to Utilities::fixed_power in include/ source/ X-Git-Tag: v9.5.0-rc1~573^2 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ed19691dda2f47616ea33ca6ab7e4305293b3c2f;p=dealii.git changed std::pow to Utilities::fixed_power in include/ source/ --- diff --git a/include/deal.II/optimization/line_minimization.h b/include/deal.II/optimization/line_minimization.h index b5478e9f1c..be571a27ab 100644 --- a/include/deal.II/optimization/line_minimization.h +++ b/include/deal.II/optimization/line_minimization.h @@ -22,6 +22,7 @@ #include #include #include +#include #include @@ -419,14 +420,16 @@ namespace LineMinimization const NumberType r1 = f2 - f1 - g1 * x2_shift; const NumberType r2 = f3 - f1 - g1 * x3_shift; const NumberType denom = - std::pow(x2_shift * x3_shift, 2) * (x2_shift - x3_shift); + Utilities::fixed_power<2>(x2_shift * x3_shift) * (x2_shift - x3_shift); if (denom == 0.) return {}; - const NumberType A = - (r1 * std::pow(x3_shift, 2) - r2 * std::pow(x2_shift, 2)) / denom; - const NumberType B = - (r2 * std::pow(x2_shift, 3) - r1 * std::pow(x3_shift, 3)) / denom; + const NumberType A = (r1 * Utilities::fixed_power<2>(x3_shift) - + r2 * Utilities::fixed_power<2>(x2_shift)) / + denom; + const NumberType B = (r2 * Utilities::fixed_power<3>(x2_shift) - + r1 * Utilities::fixed_power<3>(x3_shift)) / + denom; const NumberType &C = g1; // now get the minimizer: diff --git a/source/base/function_lib_cutoff.cc b/source/base/function_lib_cutoff.cc index 546bf7ddc8..f795eee876 100644 --- a/source/base/function_lib_cutoff.cc +++ b/source/base/function_lib_cutoff.cc @@ -470,11 +470,12 @@ namespace Functions if (d >= r) return Tensor<1, dim>(); const double e = -d * d / (r - d) / (r + d); - return ((e < -50) ? Point() : - (p - this->center) / d * - (-2.0 * r * r / std::pow(-r * r + d * d, 2.0) * d * - std::exp(e)) * - this->rescaling); + return ((e < -50) ? + Point() : + (p - this->center) / d * + (-2.0 * r * r / Utilities::fixed_power<2>(-r * r + d * d) * d * + std::exp(e)) * + this->rescaling); } diff --git a/source/base/function_signed_distance.cc b/source/base/function_signed_distance.cc index 1ab7fb7966..8d17b5b407 100644 --- a/source/base/function_signed_distance.cc +++ b/source/base/function_signed_distance.cc @@ -15,6 +15,7 @@ #include #include +#include #include @@ -76,7 +77,7 @@ namespace Functions const SymmetricTensor<2, dim> hess = unit_symmetric_tensor() / distance - symmetrize(outer_product(center_to_point, center_to_point)) / - std::pow(distance, 3); + Utilities::fixed_power<3>(distance); return hess; } @@ -201,7 +202,7 @@ namespace Functions { double val = 0.0; for (unsigned int d = 0; d < dim; ++d) - val += std::pow((point[d] - center[d]) / radii[d], 2); + val += Utilities::fixed_power<2>((point[d] - center[d]) / radii[d]); return val - 1.0; } @@ -245,8 +246,10 @@ namespace Functions do { // compute the ellipse evolute (center of curvature) for the current t - const double ex = (a * a - b * b) * std::pow(std::cos(t), 3) / a; - const double ey = (b * b - a * a) * std::pow(std::sin(t), 3) / b; + const double ex = + (a * a - b * b) * Utilities::fixed_power<3>(std::cos(t)) / a; + const double ey = + (b * b - a * a) * Utilities::fixed_power<3>(std::sin(t)) / b; // compute distances from current point on ellipse to its evolute const double rx = x - ex; const double ry = y - ey; diff --git a/source/base/quadrature_lib.cc b/source/base/quadrature_lib.cc index df8cb2efac..3a45349c90 100644 --- a/source/base/quadrature_lib.cc +++ b/source/base/quadrature_lib.cc @@ -16,6 +16,7 @@ #include #include #include +#include #include #include @@ -946,7 +947,7 @@ QTelles<1>::QTelles(const Quadrature<1> &base_quad, const Point<1> &singularity) for (unsigned int q = 0; q < quadrature_points.size(); ++q) { double gamma = quadrature_points[q][0] * 2 - 1; - double eta = (std::pow(gamma - gamma_bar, 3.0) + + double eta = (Utilities::fixed_power<3>(gamma - gamma_bar) + gamma_bar * (gamma_bar * gamma_bar + 3)) / (1 + 3 * gamma_bar * gamma_bar); diff --git a/source/grid/grid_generator.cc b/source/grid/grid_generator.cc index 3ab2989de0..ee8359a4b0 100644 --- a/source/grid/grid_generator.cc +++ b/source/grid/grid_generator.cc @@ -667,8 +667,10 @@ namespace GridGenerator const double y_t = 5 * t * (0.2969 * std::pow(x, 0.5) - 0.126 * x - - 0.3516 * std::pow(x, 2) + 0.2843 * std::pow(x, 3) - - 0.1036 * std::pow(x, 4)); // half thickness at a position x + 0.3516 * Utilities::fixed_power<2>(x) + + 0.2843 * Utilities::fixed_power<3>(x) - + 0.1036 * Utilities::fixed_power<4>( + x)); // half thickness at a position x if (is_upper) naca_points.emplace_back(x, +y_t); @@ -683,19 +685,23 @@ namespace GridGenerator const double x = i * 1 / (1.0 * number_points - 1); const double y_c = - (x <= p) ? m / std::pow(p, 2) * (2 * p * x - std::pow(x, 2)) : - m / std::pow(1 - p, 2) * - ((1 - 2 * p) + 2 * p * x - std::pow(x, 2)); + (x <= p) ? + m / Utilities::fixed_power<2>(p) * + (2 * p * x - Utilities::fixed_power<2>(x)) : + m / Utilities::fixed_power<2>(1 - p) * + ((1 - 2 * p) + 2 * p * x - Utilities::fixed_power<2>(x)); - const double dy_c = (x <= p) ? - 2 * m / std::pow(p, 2) * (p - x) : - 2 * m / std::pow(1 - p, 2) * (p - x); + const double dy_c = + (x <= p) ? 2 * m / Utilities::fixed_power<2>(p) * (p - x) : + 2 * m / Utilities::fixed_power<2>(1 - p) * (p - x); const double y_t = 5 * t * (0.2969 * std::pow(x, 0.5) - 0.126 * x - - 0.3516 * std::pow(x, 2) + 0.2843 * std::pow(x, 3) - - 0.1036 * std::pow(x, 4)); // half thickness at a position x + 0.3516 * Utilities::fixed_power<2>(x) + + 0.2843 * Utilities::fixed_power<3>(x) - + 0.1036 * Utilities::fixed_power<4>( + x)); // half thickness at a position x const double theta = std::atan(dy_c); diff --git a/source/grid/manifold_lib.cc b/source/grid/manifold_lib.cc index 3359be1bce..fa1c04174f 100644 --- a/source/grid/manifold_lib.cc +++ b/source/grid/manifold_lib.cc @@ -1559,9 +1559,10 @@ TorusManifold::pull_back(const Point<3> &p) const double y = p(2); double phi = std::atan2(y, x); double theta = std::atan2(z, std::sqrt(x * x + y * y) - R); - double w = std::sqrt(std::pow(y - std::sin(phi) * R, 2.0) + - std::pow(x - std::cos(phi) * R, 2.0) + z * z) / - r; + double w = + std::sqrt(Utilities::fixed_power<2>(y - std::sin(phi) * R) + + Utilities::fixed_power<2>(x - std::cos(phi) * R) + z * z) / + r; return {phi, theta, w}; } diff --git a/source/numerics/derivative_approximation.cc b/source/numerics/derivative_approximation.cc index 6fec92c8c0..2b2abe4c0d 100644 --- a/source/numerics/derivative_approximation.cc +++ b/source/numerics/derivative_approximation.cc @@ -14,6 +14,7 @@ // --------------------------------------------------------------------- #include +#include #include #include @@ -436,9 +437,11 @@ namespace DerivativeApproximation s[2][2] * s[2][2] + 2 * (ss01 + ss02 + ss12)) / 2.; const double J3 = - (std::pow(s[0][0], 3) + std::pow(s[1][1], 3) + std::pow(s[2][2], 3) + - 3. * s[0][0] * (ss01 + ss02) + 3. * s[1][1] * (ss01 + ss12) + - 3. * s[2][2] * (ss02 + ss12) + 6. * s[0][1] * s[0][2] * s[1][2]) / + (Utilities::fixed_power<3>(s[0][0]) + + Utilities::fixed_power<3>(s[1][1]) + + Utilities::fixed_power<3>(s[2][2]) + 3. * s[0][0] * (ss01 + ss02) + + 3. * s[1][1] * (ss01 + ss12) + 3. * s[2][2] * (ss02 + ss12) + + 6. * s[0][1] * s[0][2] * s[1][2]) / 3.; const double R = std::sqrt(4. * J2 / 3.);