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485 lines
17 KiB
C++
485 lines
17 KiB
C++
#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
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#define DOCTEST_CONFIG_SUPER_FAST_ASSERTS
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#include "doctest.h"
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#include "testutils.h"
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#include <math.h>
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#include "catima/catima.h"
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#include "catima/calculations.h"
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using namespace std;
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TEST_CASE("nuclear stopping power"){
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catima::Target carbon{12.0107,6};
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catima::Projectile p{4.00151,2,2,1};
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double dif;
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p.T = 0.1/p.A; //0.1MeV
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dif = catima::dedx_n(p,carbon) - 14.27;
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CHECK( fabs(dif)< 1);
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p.T = 1/p.A; //1MeV
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dif = catima::dedx_n(p,carbon) - 2.161;
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CHECK( fabs(dif)< 0.1);
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p.T = 10/p.A; //10MeV
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dif = catima::dedx_n(p,carbon) - 0.2874;
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CHECK( fabs(dif) < 0.01);
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p.T = 100/p.A; //100MeV
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dif = catima::dedx_n(p,carbon) - 0.03455;
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CHECK( fabs(dif) < 0.001);
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}
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TEST_CASE("proton stopping power from srim"){
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catima::Projectile p{1,1,1,1};
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auto he = catima::get_material(2);
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auto carbon = catima::get_material(6);
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p.T = 1;
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CHECK( catima::sezi_dedx_e(p,he) == approx(283,1));
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p.T = 10;
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CHECK( catima::sezi_dedx_e(p,he) == approx(45.6,1));
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p.T = 30;
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CHECK( catima::sezi_dedx_e(p,he) == approx(18.38,1));
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p.T = 1;
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CHECK( catima::sezi_dedx_e(p,carbon) == approx(229.5,1));
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p.T = 10;
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CHECK( catima::sezi_dedx_e(p,carbon) == approx(40.8,1));
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p.T = 30;
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CHECK( catima::sezi_dedx_e(p,carbon) == approx(16.8,1));
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}
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TEST_CASE("dedx, low energy, from sezi"){
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catima::Projectile p{4,2,2,1};
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auto carbon = catima::get_material(6);
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// He projectile TEST_CASE
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p.T = 1;
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CHECK( catima::sezi_dedx_e(p,carbon)+catima::dedx_n(p,carbon) == approx(922.06).R(0.0001) );
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p.T = 3;
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CHECK( catima::sezi_dedx_e(p,carbon)+catima::dedx_n(p,carbon) == approx(433.09).R(0.0001) );
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// C projectile TEST_CASE
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p.A = 12;
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p.Z = 6;
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p.T = 1;
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CHECK( catima::sezi_dedx_e(p,carbon)+catima::dedx_n(p,carbon) == approx( 5792.52).R(0.0001) );
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p.T = 9.9;
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CHECK( catima::sezi_dedx_e(p,carbon)+catima::dedx_n(p,carbon) == approx(1485.36).R(0.0001) );
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}
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TEST_CASE("LS check: deltaL values"){
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catima::Projectile p{238,92,92,1};
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p.T = 93.1494;
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CHECK(catima::bethek_lindhard(p)== approx(-0.5688,0.0001));
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p.T = 380.9932;
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CHECK(catima::bethek_lindhard(p)== approx(0.549199,0.0001));
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p.T = 995.368987;
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CHECK(catima::bethek_lindhard(p)== approx(1.106649).R(0.001) );
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p.T = 2640.032566;
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CHECK(catima::bethek_lindhard(p)== approx(1.35314).R(0.001) );
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p.T = 6091.392448;
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CHECK(catima::bethek_lindhard(p)== approx(1.365643).R(0.001) );
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p.T = 37277.695445;
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CHECK(catima::bethek_lindhard(p)== approx(0.689662).R(0.001) );
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}
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TEST_CASE("LS check: straggling values"){
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catima::Projectile p{238,92,92,1};
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auto f = [&](){return catima::bethek_lindhard_X(p);};
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p.T = 93.1494;
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CHECK( f() == approx(1.56898).R(0.01) );
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p.T = 380.9932;
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CHECK( f() == approx(1.836008).R(0.01) );
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p.T = 996.9855;
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CHECK( f() == approx(1.836528).R(0.01) );
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p.T = 2794.4822;
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CHECK( f()== approx(1.768018).R(0.01) );
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for(double e:{2000,20000,200000, 9000000, 50000000})
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CHECK(catima::precalculated_lindhard_X(p(e)) >= 0.0);
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}
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TEST_CASE("ultrarelativistic corrections"){
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catima::Projectile p{238,92};
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catima::Target t{27,13};
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CHECK(catima::pair_production(p(1e3),t) == approx(0.0,1e-3));
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CHECK(catima::bremsstrahlung(p(1e3),t) == approx(0.0,1e-3));
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CHECK(catima::pair_production(p(1e6),t) == approx(1900,300));
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CHECK(catima::bremsstrahlung(p(1e6),t) == approx(170,20));
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CHECK(catima::pair_production(p(7e6),t) == approx(19000,5000));
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CHECK(catima::bremsstrahlung(p(7e6),t) == approx(6000,500));
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}
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TEST_CASE("dEdx for compounds"){
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catima::Projectile p{1,1,1,1000};
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catima::Material water({
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{1.00794,1,2},
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{15.9994,8,1}
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});
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CHECK( catima::dedx(p(1000), water) == approx(2.23).R(5e-3));
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CHECK( catima::dedx(p(500), water) == approx(2.76).R(5e-3));
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CHECK( catima::dedx(p(9), water) == approx(51.17).R(5e-3));
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}
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TEST_CASE("dEdx from spline vs dEdx"){
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catima::Projectile p{238,92,92,1000};
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catima::Material graphite({
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{12.011,6,1},
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});
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graphite.density(2);
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auto res = catima::calculate(p(1000),graphite);
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CHECK(catima::dedx(p(1000), graphite) == approx(res.dEdxi).R(0.001) );
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res = catima::calculate(p,graphite,500);
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CHECK(catima::dedx(p(500), graphite) == approx(res.dEdxi).R(0.001) );
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res = catima::calculate(p,graphite,9);
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CHECK(catima::dedx(p(9), graphite) == approx(res.dEdxi).R(0.001) );
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}
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TEST_CASE("Eout test"){
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catima::Projectile p{12,6,6,1000};
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catima::Material water({
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{1.00794,1,2},
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{15.9994,8,1}
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});
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catima::Material graphite;
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graphite.add_element(12,6,1);
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graphite.density(2.0);
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graphite.thickness(0.5);
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auto res = catima::calculate(p,graphite);
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CHECK( res.Eout == approx(997.07,01));
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}
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TEST_CASE("TOF test"){
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catima::Projectile p{12,6,6,1000};
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catima::Material water({
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{1.00794,1,2},
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{15.9994,8,1}
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});
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water.density(1.0);
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water.thickness(1.0);
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catima::Material graphite;
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graphite.add_element(12,6,1);
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graphite.density(2.0);
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graphite.thickness(0.5);
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double dif;
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auto res = catima::calculate(p,water);
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dif = res.tof - 0.038;
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CHECK( fabs(dif) < 0.01);
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}
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TEST_CASE("angular scattering"){
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catima::Projectile p{1,1,1,158.6};
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catima::Material cu = catima::get_material(29);
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cu.thickness_cm(0.02963);
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auto res = catima::calculate(p,cu);
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CHECK( 1000*res.sigma_a == approx(7.2,0.5));
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cu.thickness_cm(0.2963);
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res = catima::calculate(p,cu);
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CHECK( 1000*res.sigma_a == approx(23.5,3));
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catima::Layers ll;
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cu.thickness_cm(0.2963/2.);
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ll.add(cu);
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ll.add(cu);
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auto res2 = catima::calculate(p,ll);
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CHECK( 1000*res2.total_result.sigma_a == approx(23.5,3));
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CHECK( 1000*res2.total_result.sigma_a == approx(1000*res.sigma_a,0.05));
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}
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TEST_CASE("displacement test"){
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catima::Projectile p{1,1,1,215};
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catima::Material water({
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{1.00794,1,2},
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{15.9994,8,1}
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});
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water.density(1.0);
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catima::Material water2({
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{1.00794,1,2},
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{15.9994,8,1}
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});
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water2.thickness_cm(9.6);
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water2.density(2.0);
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water.thickness_cm(9.6);
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auto res = catima::calculate(p,water);
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CHECK( res.sigma_x == approx(0.1,0.03));
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auto resb = catima::calculate(p,water2);
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CHECK( res.sigma_x > resb.sigma_x);
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water.thickness_cm(17.0);
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auto res17 = catima::calculate(p,water);
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CHECK( res17.sigma_x == approx(0.25,0.05));
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water.thickness_cm(29.4);
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auto res29 = catima::calculate(p,water);
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CHECK( res29.sigma_x == approx(0.66,0.08));
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catima::Layers ll;
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water.thickness_cm(9.6);
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ll.add(water);
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auto res2 = catima::calculate(p,ll);
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CHECK(res2.total_result.sigma_x == approx(0.1,0.03));
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water.thickness_cm(7.4);
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ll.add(water);
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res2 = catima::calculate(p,ll);
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CHECK(ll.thickness_cm() == approx(17,0.00001));
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CHECK(res2.total_result.sigma_x == approx(0.25,0.05));
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CHECK(res2.total_result.sigma_x == approx(res17.sigma_x).R(0.03));
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catima::Layers l;
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water.thickness_cm(9.6/3);
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l.add(water);
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l.add(water);
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l.add(water);
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res2 = catima::calculate(p(215),l);
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CHECK(res2.total_result.sigma_x == approx(res.sigma_x).R(0.03));
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for(int n=2;n<10;n++){
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catima::Layers lll;
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water.thickness_cm(29.4/n);
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for(int i=0;i<n;i++)lll.add(water);
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res2 = catima::calculate(p(215),lll);
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CHECK(res2.total_result.sigma_x == approx(res29.sigma_x).R(0.01));
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}
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/// position sigma is taken from range thickness if particle stoppped inside
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water.thickness_cm(30);
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auto r1 = catima::calculate(p,water);
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water.thickness_cm(40);
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auto r2 = catima::calculate(p,water);
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CHECK(r1.sigma_x == approx(r2.sigma_x).R(0.01));
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}
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TEST_CASE("result from stopped material"){
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catima::Projectile p{12,6,6,1000};
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catima::Material water({
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{1.00794,1,2},
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{15.9994,8,1}
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});
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water.density(1.0);
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water.thickness(1000.0);
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auto res = catima::calculate(p,water);
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CHECK(res.Eout == 0.0);
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CHECK(res.Eloss == 1000*12);
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CHECK(res.sigma_E == 0.0);
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CHECK(res.sigma_a == 0.0);
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CHECK(res.sigma_r > 0.0);
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CHECK(res.dEdxo == 0.0);
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CHECK(res.tof == 0.0);
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catima::Layers mat;
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mat.add(water);
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auto res2= catima::calculate(p,mat);
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CHECK(res2.results.size() == 1);
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CHECK(res2.total_result.Eout == res2.results[0].Eout);
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CHECK(res2.total_result.Eout == 0.0);
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CHECK(res2.total_result.Eloss == 1000*12);
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CHECK(res2.total_result.sigma_E == 0.0);
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CHECK(res2.total_result.sigma_a == 0.0);
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CHECK(res2.total_result.tof == 0.0);
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}
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TEST_CASE("constant results from material"){
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catima::Projectile p{12,6,6,1000};
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catima::Material water({
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{1.00794,1,2},
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{15.9994,8,1}
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});
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water.density(1.0);
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water.thickness(10.0);
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auto res = catima::calculate(p,water);
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auto res2 = catima::calculate(p,water);
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CHECK(res.Eout == res2.Eout);
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CHECK(res.Eloss == res2.Eloss);
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CHECK(res.sigma_E == res2.sigma_E);
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CHECK(res.sigma_a == res2.sigma_a);
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CHECK(res.sigma_r == res2.sigma_r);
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CHECK(res.dEdxo == res2.dEdxo);
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CHECK(res.tof == res2.tof);
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}
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TEST_CASE("simplified calculation"){
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catima::Projectile p{12,6,6,1000};
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catima::Material graphite({
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{12.011,6,1},
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});
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graphite.density(2.0).thickness(1.0);
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auto res1 = catima::calculate(p,graphite);
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auto res2 = catima::calculate(12,6,1000,12.011,6,1.0,2.0);
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CHECK(res1.Eout == res2.Eout);
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CHECK(res1.Eloss == res2.Eloss);
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CHECK(res1.sigma_E == res2.sigma_E);
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CHECK(res1.sigma_a == res2.sigma_a);
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CHECK(res1.sigma_r == res2.sigma_r);
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CHECK(res1.dEdxo == res2.dEdxo);
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CHECK(res1.tof == res2.tof);
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auto ra = catima::angular_straggling_from_E(p,res1.Ein,res1.Eout,graphite);
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CHECK(res1.sigma_a == ra);
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auto re = catima::energy_straggling_from_E(p,res1.Ein,res1.Eout,graphite);
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CHECK(res1.sigma_E == re);
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auto eo1 = catima::energy_out(p(1000),graphite);
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CHECK(res1.Eout == eo1);
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auto de1 = catima::dedx_from_range(p(1000),graphite);
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CHECK(res1.dEdxi == de1);
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}
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TEST_CASE("multilayer basic"){
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catima::Projectile p{12,6,6,1000};
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catima::Material water({
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{1.00794,1,2},
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{15.9994,8,1}
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});
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water.density(1.0);
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water.thickness(10.0);
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catima::Material graphite({
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{12.011,6,1},
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});
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graphite.density(2.0).thickness(1.0);
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catima::Layers mat;
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mat.add(water);
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mat.add(graphite);
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auto res = catima::calculate(p(1000),mat);
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CHECK(res.total_result.Eout == approx(926.3,0.1));
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CHECK(res.total_result.sigma_a == approx(0.00269).R(0.05));
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CHECK(res.total_result.tof == approx(0.402).R(0.001));
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CHECK(res.total_result.Eloss == approx(884.2,1.0));
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//CHECK(rcompare(res.total_result.sigma_E,0.7067,0.2));
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CHECK(res.results[0].Eout == approx(932.24,0.1));
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CHECK(res.results[0].sigma_a == approx(0.00258).R(0.05));
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CHECK(res.results[0].range == approx(107.163,0.1));
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CHECK(res.results[1].Eout == approx(926.3,0.1));
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CHECK(res.results[1].sigma_a == approx(0.000774).R(0.05));
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CHECK(res.results[1].range == approx(111.3,0.1));
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auto res0 = catima::calculate(p(1000),water);
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CHECK(res0.Eout == res.results[0].Eout);
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CHECK(res0.sigma_a == res.results[0].sigma_a);
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CHECK(res0.sigma_E == res.results[0].sigma_E);
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CHECK(res0.sigma_r == res.results[0].sigma_r);
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CHECK(res0.tof == res.results[0].tof);
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}
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TEST_CASE("default material calculations"){
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catima::Projectile p{12,6,6,350};
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auto air = catima::get_material(catima::material::Air);
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air.thickness(0.500);
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auto res = catima::calculate(p(350),air);
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CHECK(res.Eout == approx(345.6).epsilon(1.0));
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CHECK(res.sigma_a == approx(0.0013).epsilon(1e-4));
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CHECK(res.sigma_E == approx(0.12).epsilon(1e-3));
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CHECK(res.dEdxi == approx(103.5).epsilon(1e-1));
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res = catima::calculate(p(150),air);
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CHECK(res.dEdxi == approx(173.6).epsilon(1e0));
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res = catima::calculate(p(1000),air);
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CHECK(res.dEdxi == approx(70.69).epsilon(1e-0));
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auto water = catima::get_material(catima::material::Water);
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auto res2 = catima::calculate(p(600),water,600);
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CHECK(res2.dEdxi == approx(92.5).epsilon(2));
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CHECK(catima::radiation_length(water)==approx(36.1,0.2));
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}
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TEST_CASE("z_eff"){
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using namespace catima;
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Projectile p_u(238,92);
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Target t;
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t.Z = 13;
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Config c;
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c.z_effective = z_eff_type::pierce_blann;
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CHECK(z_eff_Pierce_Blann(92,beta_from_T(5000.)) == approx(91.8).epsilon(0.2));
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CHECK(z_eff_Pierce_Blann(92,beta_from_T(5000.)) == z_effective(p_u(5000.),t,c));
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CHECK(z_eff_Winger(92,0.99,6) == approx(91.8).epsilon(0.5));
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CHECK(z_eff_Winger(92,beta_from_T(5000.),13) == approx(91.8).epsilon(0.2));
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c.z_effective = z_eff_type::winger;
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CHECK(z_eff_Winger(92,beta_from_T(5000.),13) == z_effective(p_u(5000.),t,c));
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CHECK(z_eff_Schiwietz(92,0.99,6) == approx(91.8).epsilon(0.5));
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c.z_effective = z_eff_type::schiwietz;
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CHECK(z_eff_Schiwietz(92,beta_from_T(5000.),13) == z_effective(p_u(5000.),t,c));
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CHECK(z_eff_Hubert(92,1900,13) == approx(91.88).epsilon(0.1));
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c.z_effective = z_eff_type::hubert;
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CHECK(z_eff_Hubert(92,1900,13) == z_effective(p_u(1900.),t,c));
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#ifdef GLOBAL
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CHECK(z_eff_global(92,1900,13) == approx(91.88).epsilon(0.05));
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c.z_effective = z_eff_type::global;
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CHECK(z_eff_global(92,1900,13) == z_effective(p_u(1900.),t,c));
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CHECK(z_eff_global(92,1000,13) == approx(91.71).epsilon(0.05));
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CHECK(z_eff_global(92,500,13) == approx(91.22).epsilon(0.1));
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CHECK(z_eff_global(92,100,6) == approx(89.61).epsilon(0.2));
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//CHECK(z_eff_global(92,100,13) == approx(89.42).epsilon(0.1));
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//CHECK(z_eff_global(92,100,29) == approx(88.37).epsilon(0.1));
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//CHECK(z_eff_global(92,50,13) == approx(85.94).epsilon(0.1));
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CHECK(z_eff_global(92,2001,13) == approx(92.0).epsilon(0.01));
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CHECK(z_eff_global(92,2000,13) == approx(92.0).epsilon(0.2));
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CHECK(z_eff_atima14(92,1900,13) == approx(91.88).epsilon(0.05));
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c.z_effective = z_eff_type::atima14;
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CHECK(z_eff_atima14(92,1900,13) == z_effective(p_u(1900.),t,c));
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#endif
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}
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TEST_CASE("vector_inputs"){
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catima::Projectile p{12,6,6,1000};
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catima::Material water({
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{1.00794,1,2},
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{15.9994,8,1}
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});
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catima::Material graphite;
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graphite.add_element(12,6,1);
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graphite.density(2.0);
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graphite.thickness(0.5);
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|
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auto res = catima::calculate(p,graphite);
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CHECK( res.Eout == approx(997.07,01));
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|
|
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std::vector<double> energies{100,500,1000};
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auto res2 = catima::energy_out(p,energies, graphite);
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CHECK(res2.size()==energies.size());
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|
CHECK(res2[2] == approx(997.07,01));
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CHECK(res2[0] == approx(catima::energy_out(p(energies[0]),graphite),0.1));
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CHECK(res2[1] == approx(catima::energy_out(p(energies[1]),graphite),0.1));
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|
CHECK(res2[2] == approx(catima::energy_out(p(energies[2]),graphite),0.1));
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|
|
|
auto res3 = catima::dedx_from_range(p,energies,graphite);
|
|
CHECK(res3.size()==energies.size());
|
|
CHECK(res3[0] == approx(catima::dedx_from_range(p(energies[0]),graphite),0.1));
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|
CHECK(res3[1] == approx(catima::dedx_from_range(p(energies[1]),graphite),0.1));
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|
CHECK(res3[2] == approx(catima::dedx_from_range(p(energies[2]),graphite),0.1));
|
|
}
|
|
TEST_CASE("constants"){
|
|
using namespace catima;
|
|
CHECK(0.1*hbar*c_light/atomic_mass_unit == approx(0.21183,0.0001));
|
|
CHECK(16.0*dedx_constant*electron_mass*fine_structure/(atomic_mass_unit*3.0*4.0*PI) == approx(5.21721169334564e-7).R(1e-3));
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|
}
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|
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