mirror of
https://github.com/gwm17/catima.git
synced 2024-11-22 18:28:51 -05:00
commit
b0caca7f2b
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@ -197,7 +197,7 @@ double bethek_lindhard(const Projectile &p){
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std::complex<double> cexir_den (sk,-eta);
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std::complex<double> cexir_den (sk,-eta);
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std::complex<double> cexir = std::sqrt(cexir_n/cexir_den);
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std::complex<double> cexir = std::sqrt(cexir_n/cexir_den);
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std::complex<double> csketa (sk + 1.0, eta);
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std::complex<double> csketa (sk + 1.0, eta);
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std::complex<double> cpiske(0.0,(M_PI*(l-sk)/2.0) - lngamma(csketa).imag());
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std::complex<double> cpiske(0.0,(PI*(l-sk)/2.0) - lngamma(csketa).imag());
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std::complex<double> cedr = cexir*std::exp(cpiske);
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std::complex<double> cedr = cexir*std::exp(cpiske);
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double H=0;
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double H=0;
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@ -206,7 +206,7 @@ double bethek_lindhard(const Projectile &p){
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std::complex<double> cmsketa (-sk + 1.0, eta);
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std::complex<double> cmsketa (-sk + 1.0, eta);
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std::complex<double> cexis_den (-sk,-eta);
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std::complex<double> cexis_den (-sk,-eta);
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std::complex<double> cexis = std::sqrt(cexir_n/cexis_den);
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std::complex<double> cexis = std::sqrt(cexir_n/cexis_den);
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std::complex<double> cpimske(0.0,(M_PI*(l+sk)/2.0) - lngamma(cmsketa).imag());
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std::complex<double> cpimske(0.0,(PI*(l+sk)/2.0) - lngamma(cmsketa).imag());
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std::complex<double> ceds = cexis*std::exp(cpimske);
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std::complex<double> ceds = cexis*std::exp(cpimske);
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std::complex<double> cmbeta_gamma_R(0,-beta_gamma_R);
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std::complex<double> cmbeta_gamma_R(0,-beta_gamma_R);
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std::complex<double> c2beta_gamma_R(0,2.0*beta_gamma_R);
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std::complex<double> c2beta_gamma_R(0,2.0*beta_gamma_R);
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@ -315,7 +315,7 @@ double bethek_lindhard_X(const Projectile &p){
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std::complex<double> cexir_den (sk,-eta);
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std::complex<double> cexir_den (sk,-eta);
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std::complex<double> cexir = std::sqrt(cexir_n/cexir_den);
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std::complex<double> cexir = std::sqrt(cexir_n/cexir_den);
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std::complex<double> csketa (sk + 1.0, eta);
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std::complex<double> csketa (sk + 1.0, eta);
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std::complex<double> cpiske(0.0,(M_PI*(l-sk)/2.0) - lngamma(csketa).imag());
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std::complex<double> cpiske(0.0,(PI*(l-sk)/2.0) - lngamma(csketa).imag());
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std::complex<double> cedr = cexir*std::exp(cpiske);
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std::complex<double> cedr = cexir*std::exp(cpiske);
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double H=0;
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double H=0;
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@ -324,7 +324,7 @@ double bethek_lindhard_X(const Projectile &p){
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std::complex<double> cmsketa (-sk + 1.0, eta);
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std::complex<double> cmsketa (-sk + 1.0, eta);
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std::complex<double> cexis_den (-sk,-eta);
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std::complex<double> cexis_den (-sk,-eta);
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std::complex<double> cexis = std::sqrt(cexir_n/cexis_den);
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std::complex<double> cexis = std::sqrt(cexir_n/cexis_den);
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std::complex<double> cpimske(0.0,(M_PI*(l+sk)/2.0) - lngamma(cmsketa).imag());
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std::complex<double> cpimske(0.0,(PI*(l+sk)/2.0) - lngamma(cmsketa).imag());
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std::complex<double> ceds = cexis*std::exp(cpimske);
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std::complex<double> ceds = cexis*std::exp(cpimske);
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std::complex<double> cmbeta_gamma_R(0,-beta_gamma_R);
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std::complex<double> cmbeta_gamma_R(0,-beta_gamma_R);
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std::complex<double> c2beta_gamma_R(0,2.0*beta_gamma_R);
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std::complex<double> c2beta_gamma_R(0,2.0*beta_gamma_R);
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@ -425,11 +425,11 @@ double pair_production(const Projectile &p, const Target &t){
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double l0 = log(2.0*gamma);
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double l0 = log(2.0*gamma);
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double Zt13 = 183.0*power(t.Z,-1.0/3.0);
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double Zt13 = 183.0*power(t.Z,-1.0/3.0);
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double L0screen = (19.0/9.0)*log(Zt13/(1.0 + 25.018803808*Zt13/gamma));
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double L0screen = (19.0/9.0)*log(Zt13/(1.0 + 25.018803808*Zt13/gamma));
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double L1 = (4178.0/(81.0*M_PI*M_PI))
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double L1 = (4178.0/(81.0*PI*PI))
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- (21.0/27.0)
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- (21.0/27.0)
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- (248.0*l0/(27.0*M_PI*M_PI))
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- (248.0*l0/(27.0*PI*PI))
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+ ( ((28.0*l0/(9.0)) - 446.0/27.0)*logd2/(M_PI*M_PI))
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+ ( ((28.0*l0/(9.0)) - 446.0/27.0)*logd2/(PI*PI))
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+ (14.0*logd2*logd2/(9.0*M_PI*M_PI));
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+ (14.0*logd2*logd2/(9.0*PI*PI));
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L1 *= d;
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L1 *= d;
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double s = 0.25*dedx_constant*fine_structure*fine_structure*p.Z*p.Z*t.Z*t.Z*gamma*(1.0+(1.0/t.Z))*(L0screen + L1)/t.A;
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double s = 0.25*dedx_constant*fine_structure*fine_structure*p.Z*p.Z*t.Z*t.Z*gamma*(1.0+(1.0/t.Z))*(L0screen + L1)/t.A;
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return (s<0.0)?0.0:s;
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return (s<0.0)?0.0:s;
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@ -440,7 +440,7 @@ double bremsstrahlung(const Projectile &p, const Target &t){
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double R = 1.18*(catima::power(p.A, 1.0/3.0) + catima::power(t.A, 1.0/3.0));
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double R = 1.18*(catima::power(p.A, 1.0/3.0) + catima::power(t.A, 1.0/3.0));
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double Lbs = log1p(2.0*gamma*0.1*hbar*c_light/atomic_mass_unit/R/p.A);
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double Lbs = log1p(2.0*gamma*0.1*hbar*c_light/atomic_mass_unit/R/p.A);
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double C = dedx_constant*fine_structure*(electron_mass/atomic_mass_unit);
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double C = dedx_constant*fine_structure*(electron_mass/atomic_mass_unit);
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return 16.0*C*gamma*p.Z*p.Z*p.Z*p.Z*t.Z*t.Z*Lbs/(t.A*p.A*3.0*4.0*M_PI);
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return 16.0*C*gamma*p.Z*p.Z*p.Z*p.Z*t.Z*t.Z*Lbs/(t.A*p.A*3.0*4.0*PI);
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};
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};
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double sezi_dedx_e(const Projectile &p, const Material &mat, const Config &c){
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double sezi_dedx_e(const Projectile &p, const Material &mat, const Config &c){
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@ -817,7 +817,7 @@ std::complex<double> lngamma( const std::complex<double> &z )
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double aterm1=y*log(r);
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double aterm1=y*log(r);
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double aterm2=(x+0.5)*atan2(y,(x+5.5))-y;
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double aterm2=(x+0.5)*atan2(y,(x+5.5))-y;
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double lterm1=(x+0.5)*log(r);
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double lterm1=(x+0.5)*log(r);
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double lterm2=-y*atan2(y,(x+5.5)) - (x+5.5) + 0.5*log(2.0*M_PI);
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double lterm2=-y*atan2(y,(x+5.5)) - (x+5.5) + 0.5*log(2.0*PI);
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double num=0.0;
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double num=0.0;
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double denom=1.000000000190015;
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double denom=1.000000000190015;
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for(int j=1;j<7;j++){
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for(int j=1;j<7;j++){
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@ -831,8 +831,8 @@ std::complex<double> lngamma( const std::complex<double> &z )
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double lterm3 = 0.5*log(num*num + denom*denom);
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double lterm3 = 0.5*log(num*num + denom*denom);
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std::complex<double> result(lterm1+lterm2+lterm3,aterm1+aterm2+aterm3);
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std::complex<double> result(lterm1+lterm2+lterm3,aterm1+aterm2+aterm3);
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if(z.real() < 0){
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if(z.real() < 0){
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std::complex<double> lpi(log(M_PI), 0.0);
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std::complex<double> lpi(log(PI), 0.0);
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result = lpi - (result + std::log(std::sin(M_PI*z)));
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result = lpi - (result + std::log(std::sin(PI*z)));
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}
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}
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return(result);
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return(result);
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}
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}
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@ -24,6 +24,7 @@ constexpr bool reactions = false;
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// constants
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// constants
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constexpr double PI = 3.1415926535897932384626433832795;
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constexpr double PI = 3.1415926535897932384626433832795;
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constexpr double LN10 = 2.30258509299404568401799145468;
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constexpr double Avogadro = 6.022140857; // 10^23
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constexpr double Avogadro = 6.022140857; // 10^23
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constexpr double electron_mass = 0.510998928; // MeV/c^2
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constexpr double electron_mass = 0.510998928; // MeV/c^2
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constexpr double atomic_mass_unit = 931.4940954; // MeV/c^2
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constexpr double atomic_mass_unit = 931.4940954; // MeV/c^2
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@ -40,7 +40,7 @@ namespace catima{
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EnergyTable(double logmin, double logmax):values(),step(0.0),num(N){
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EnergyTable(double logmin, double logmax):values(),step(0.0),num(N){
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step = (logmax-logmin)/(N - 1.0);
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step = (logmax-logmin)/(N - 1.0);
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for(auto i=0;i<N;i++){
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for(auto i=0;i<N;i++){
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values[i]=exp(M_LN10*(logmin + ((double)i)*step));
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values[i]=exp(LN10*(logmin + ((double)i)*step));
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}
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}
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}
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}
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double operator()(int i)const{return values[i];}
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double operator()(int i)const{return values[i];}
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@ -51,7 +51,7 @@ namespace catima{
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double* begin(){return values;}
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double* begin(){return values;}
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double* end(){return &values[num];}
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double* end(){return &values[num];}
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int index(double v)const noexcept{
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int index(double v)const noexcept{
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double lxval = (log(v/values[0])/M_LN10);
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double lxval = (log(v/values[0])/LN10);
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if(v<values[0] || step==0.0)return -1;
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if(v<values[0] || step==0.0)return -1;
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if(v>=values[N-1]-numeric_epsilon)return N-1;
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if(v>=values[N-1]-numeric_epsilon)return N-1;
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int i = static_cast<int> (std::floor(lxval/step));
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int i = static_cast<int> (std::floor(lxval/step));
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@ -66,7 +66,7 @@ namespace catima{
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template<int N>
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template<int N>
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int EnergyTable_index(const EnergyTable<N> &table, double val){
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int EnergyTable_index(const EnergyTable<N> &table, double val){
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if(val<table.values[0] || val>table.values[table.num-1])return -1;
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if(val<table.values[0] || val>table.values[table.num-1])return -1;
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double lxval = (log(val/table.values[0])/M_LN10);
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double lxval = (log(val/table.values[0])/LN10);
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int i = static_cast<int>( std::floor(lxval/table.step));
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int i = static_cast<int>( std::floor(lxval/table.step));
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if(val >= table.values[i+1]-numeric_epsilon)i++; // this is correction for floating point precision
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if(val >= table.values[i+1]-numeric_epsilon)i++; // this is correction for floating point precision
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return i;
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return i;
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@ -478,6 +478,6 @@ using namespace std;
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TEST_CASE("constants"){
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TEST_CASE("constants"){
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using namespace catima;
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using namespace catima;
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CHECK(0.1*hbar*c_light/atomic_mass_unit == approx(0.21183,0.0001));
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CHECK(0.1*hbar*c_light/atomic_mass_unit == approx(0.21183,0.0001));
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CHECK(16.0*dedx_constant*electron_mass*fine_structure/(atomic_mass_unit*3.0*4.0*M_PI) == approx(5.21721169334564e-7).R(1e-3));
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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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@ -8,6 +8,7 @@
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using std::cout;
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using std::cout;
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using std::endl;
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using std::endl;
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using catima::LN10;
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double logEmax = catima::logEmax-0.01;
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double logEmax = catima::logEmax-0.01;
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double logEmin = catima::logEmin+0.001;
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double logEmin = catima::logEmin+0.001;
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@ -16,7 +17,7 @@ template<int N>
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struct EnergyTable{
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struct EnergyTable{
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constexpr EnergyTable():values(),num(N){
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constexpr EnergyTable():values(),num(N){
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for(auto i=0;i<N;i++){
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for(auto i=0;i<N;i++){
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values[i]=exp(M_LN10*(logEmin + ((double)i)*(logEmax-logEmin)/(N - 1.0)));
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values[i]=exp(LN10*(logEmin + ((double)i)*(logEmax-logEmin)/(N - 1.0)));
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}
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}
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}
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}
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double operator()(int i)const{return values[i];}
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double operator()(int i)const{return values[i];}
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@ -3,10 +3,10 @@
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#include "doctest.h"
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#include "doctest.h"
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#include <math.h>
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#include <math.h>
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#include "testutils.h"
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#include "testutils.h"
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using namespace std;
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#include "catima/catima.h"
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#include "catima/catima.h"
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#include "catima/storage.h"
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#include "catima/storage.h"
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using namespace std;
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using catima::LN10;
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TEST_CASE("datapoints equal operator"){
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TEST_CASE("datapoints equal operator"){
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catima::Projectile p{12,6,6,1000};
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catima::Projectile p{12,6,6,1000};
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@ -116,13 +116,13 @@ using namespace std;
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TEST_CASE("energy table"){
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TEST_CASE("energy table"){
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double step = (catima::logEmax - catima::logEmin)/(catima::max_datapoints-1);
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double step = (catima::logEmax - catima::logEmin)/(catima::max_datapoints-1);
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CHECK(catima::energy_table.step==step);
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CHECK(catima::energy_table.step==step);
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CHECK(catima::energy_table.values[0]==exp(M_LN10*(catima::logEmin)));
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CHECK(catima::energy_table.values[0]==approx(exp(LN10*(catima::logEmin))).R(1e-9));
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CHECK(catima::energy_table.values[1]==exp(M_LN10*(catima::logEmin+step)));
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CHECK(catima::energy_table.values[1]==approx(exp(LN10*(catima::logEmin+step))).R(1e-9));
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CHECK(catima::energy_table.values[2]==exp(M_LN10*(catima::logEmin+2.0*step)));
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CHECK(catima::energy_table.values[2]==approx(exp(LN10*(catima::logEmin+2.0*step))).R(1e-9));
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CHECK(catima::energy_table.values[3]==exp(M_LN10*(catima::logEmin+3.0*step)));
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CHECK(catima::energy_table.values[3]==approx(exp(LN10*(catima::logEmin+3.0*step))).R(1e-9));
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CHECK(catima::energy_table.values[4]==exp(M_LN10*(catima::logEmin+4.0*step)));
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CHECK(catima::energy_table.values[4]==approx(exp(LN10*(catima::logEmin+4.0*step))).R(1e-9));
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CHECK(catima::energy_table.values[5]==exp(M_LN10*(catima::logEmin+5.0*step)));
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CHECK(catima::energy_table.values[5]==approx(exp(LN10*(catima::logEmin+5.0*step))).R(1e-9));
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CHECK(catima::energy_table.values[catima::max_datapoints-1]==approx(exp(M_LN10*(catima::logEmax))).epsilon(1e-6));
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CHECK(catima::energy_table.values[catima::max_datapoints-1]==approx(exp(LN10*(catima::logEmax))).epsilon(1e-6));
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}
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}
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TEST_CASE("indexing"){
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TEST_CASE("indexing"){
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double val, dif;
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double val, dif;
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@ -137,4 +137,4 @@ using namespace std;
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CHECK(catima::energy_table.index(val)==i);
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CHECK(catima::energy_table.index(val)==i);
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CHECK(catima::energy_table.index(val+0.5*dif)==i);
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CHECK(catima::energy_table.index(val+0.5*dif)==i);
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}
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}
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}
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}
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