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/*
sf_coulomb.c
Ruby/GSL: Ruby extension library for GSL (GNU Scientific Library)
(C) Copyright 2001-2006 by Yoshiki Tsunesada
Ruby/GSL is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License.
This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
#include "rb_gsl_sf.h"
EXTERN VALUE cgsl_vector;
static VALUE rb_gsl_sf_hydrogenicR_1(VALUE obj, VALUE Z, VALUE r)
{
return rb_gsl_sf_eval_double_double(gsl_sf_hydrogenicR_1, Z, r);
}
static VALUE rb_gsl_sf_hydrogenicR_1_e(VALUE obj, VALUE Z, VALUE r)
{
return rb_gsl_sf_eval_e_double2(gsl_sf_hydrogenicR_1_e, Z, r);
}
static VALUE rb_gsl_sf_hydrogenicR(VALUE obj, VALUE n, VALUE l,
VALUE Z, VALUE r)
{
return rb_float_new(gsl_sf_hydrogenicR(FIX2INT(n), FIX2INT(l),
NUM2DBL(Z), NUM2DBL(r)));
}
static VALUE rb_gsl_sf_hydrogenicR_e(VALUE obj, VALUE n, VALUE l,
VALUE Z, VALUE r)
{
gsl_sf_result *rslt = NULL;
VALUE v;
// local variable "status" declared and set, but never used
//int status;
CHECK_FIXNUM(n); CHECK_FIXNUM(l);
Need_Float(Z); Need_Float(r);
v = Data_Make_Struct(cgsl_sf_result, gsl_sf_result, 0, free, rslt);
/*status =*/ gsl_sf_hydrogenicR_e(FIX2INT(n), FIX2INT(l),
NUM2DBL(Z), NUM2DBL(r), rslt);
return v;
}
static VALUE rb_gsl_sf_coulomb_wave_FG_e(VALUE obj, VALUE eta, VALUE x,
VALUE L_F, VALUE k)
{
gsl_sf_result *F, *Fp, *G, *Gp;
VALUE vF, vFp, vG, vGp;
double exp_G, exp_F;
int status;
Need_Float(eta); Need_Float(x); Need_Float(L_F);
CHECK_FIXNUM(k);
vF = Data_Make_Struct(cgsl_sf_result, gsl_sf_result, 0, free, F);
vFp = Data_Make_Struct(cgsl_sf_result, gsl_sf_result, 0, free, Fp);
vG = Data_Make_Struct(cgsl_sf_result, gsl_sf_result, 0, free, G);
vGp = Data_Make_Struct(cgsl_sf_result, gsl_sf_result, 0, free, Gp);
status = gsl_sf_coulomb_wave_FG_e(NUM2DBL(eta), NUM2DBL(x), NUM2DBL(L_F),
FIX2INT(k), F, Fp, G, Gp, &exp_F, &exp_G);
return rb_ary_new3(7, vF, vFp, vG, vGp,
rb_float_new(exp_F), rb_float_new(exp_G), INT2FIX(status));
}
static VALUE rb_gsl_sf_coulomb_wave_F_array(VALUE obj, VALUE Lmin, VALUE kmax,
VALUE eta, VALUE x)
{
double F_exponent;
int status;
size_t size;
gsl_vector *v = NULL;
CHECK_FIXNUM(kmax);
Need_Float(Lmin); Need_Float(eta); Need_Float(x);
size = FIX2INT(kmax);
v = gsl_vector_alloc(size);
status = gsl_sf_coulomb_wave_F_array(NUM2DBL(Lmin), size, NUM2DBL(eta),
NUM2DBL(x), v->data, &F_exponent);
return rb_ary_new3(3, Data_Wrap_Struct(cgsl_vector, 0, gsl_vector_free, v),
rb_float_new(F_exponent), INT2FIX(status));
}
static VALUE rb_gsl_sf_coulomb_wave_FG_array(VALUE obj, VALUE Lmin, VALUE kmax,
VALUE eta, VALUE x)
{
double F_exponent, G_exponent;
int status;
size_t size;
gsl_vector *vf = NULL, *vg = NULL;
VALUE fary, gary;
CHECK_FIXNUM(kmax);
Need_Float(Lmin); Need_Float(eta); Need_Float(x);
size = FIX2INT(kmax);
vf = gsl_vector_alloc(size);
vg = gsl_vector_alloc(size);
status = gsl_sf_coulomb_wave_FG_array(NUM2DBL(Lmin), size, NUM2DBL(eta),
NUM2DBL(x), vf->data, vg->data,
&F_exponent, &G_exponent);
fary = Data_Wrap_Struct(cgsl_vector, 0, gsl_vector_free, vf);
gary = Data_Wrap_Struct(cgsl_vector, 0, gsl_vector_free, vf);
return rb_ary_new3(5, fary, gary,
rb_float_new(F_exponent), rb_float_new(G_exponent),
INT2FIX(status));
}
static VALUE rb_gsl_sf_coulomb_wave_FGp_array(VALUE obj, VALUE Lmin, VALUE kmax,
VALUE eta, VALUE x)
{
double F_exponent, G_exponent;
int status;
size_t size;
gsl_vector *vf = NULL, *vg = NULL, *vfp = NULL, *vgp = NULL;
VALUE fary, gary, fpary, gpary;
CHECK_FIXNUM(kmax);
Need_Float(Lmin); Need_Float(eta); Need_Float(x);
size = FIX2INT(kmax);
vf = gsl_vector_alloc(size);
vfp = gsl_vector_alloc(size);
vg = gsl_vector_alloc(size);
vgp = gsl_vector_alloc(size);
status = gsl_sf_coulomb_wave_FGp_array(NUM2DBL(Lmin), size, NUM2DBL(eta),
NUM2DBL(x), vf->data, vfp->data,
vg->data, vgp->data,
&F_exponent, &G_exponent);
fary = Data_Wrap_Struct(cgsl_vector, 0, gsl_vector_free, vf);
fpary =Data_Wrap_Struct(cgsl_vector, 0, gsl_vector_free, vfp);
gary = Data_Wrap_Struct(cgsl_vector, 0, gsl_vector_free, vg);
gpary =Data_Wrap_Struct(cgsl_vector, 0, gsl_vector_free, vgp);
return rb_ary_new3(7, fary, fpary, gary, gpary,
rb_float_new(F_exponent), rb_float_new(G_exponent),
INT2FIX(status));
}
static VALUE rb_gsl_sf_coulomb_wave_sphF_array(VALUE obj, VALUE Lmin, VALUE kmax,
VALUE eta, VALUE x)
{
int status;
size_t size;
gsl_vector *v = NULL, *v2 = NULL;
CHECK_FIXNUM(kmax);
Need_Float(Lmin); Need_Float(eta); Need_Float(x);
size = FIX2INT(kmax);
v = gsl_vector_alloc(size);
v2 = gsl_vector_alloc(size);
status = gsl_sf_coulomb_wave_sphF_array(NUM2DBL(Lmin), size, NUM2DBL(eta),
NUM2DBL(x), v->data, v2->data);
return rb_ary_new3(3, Data_Wrap_Struct(cgsl_vector, 0, gsl_vector_free, v),
Data_Wrap_Struct(cgsl_vector, 0, gsl_vector_free, v2),
INT2FIX(status));
}
static VALUE rb_gsl_sf_coulomb_CL_e(VALUE obj, VALUE L, VALUE eta)
{
return rb_gsl_sf_eval_e_double2(gsl_sf_coulomb_CL_e, L, eta);
}
static VALUE rb_gsl_sf_coulomb_CL_array(VALUE obj, VALUE Lmin, VALUE kmax,
VALUE eta)
{
gsl_vector *v = NULL;
size_t size;
// local variable "status" declared and set, but never used
//int status;
CHECK_FIXNUM(kmax);
Need_Float(Lmin); Need_Float(eta);
size = FIX2INT(kmax);
v = gsl_vector_alloc(size);
/*status =*/ gsl_sf_coulomb_CL_array(NUM2DBL(Lmin), size, NUM2DBL(eta), v->data);
return Data_Wrap_Struct(cgsl_vector, 0, gsl_vector_free, v);
}
void Init_gsl_sf_coulomb(VALUE module)
{
VALUE mgsl_sf_coulomb;
rb_define_module_function(module, "hydrogenicR_1", rb_gsl_sf_hydrogenicR_1, 2);
rb_define_module_function(module, "hydrogenicR_1_e", rb_gsl_sf_hydrogenicR_1_e, 2);
rb_define_module_function(module, "hydrogenicR", rb_gsl_sf_hydrogenicR, 4);
rb_define_module_function(module, "hydrogenicR_e", rb_gsl_sf_hydrogenicR_e, 4);
rb_define_module_function(module, "coulomb_wave_FG_e", rb_gsl_sf_coulomb_wave_FG_e, 4);
rb_define_module_function(module, "coulomb_wave_F_array", rb_gsl_sf_coulomb_wave_F_array, 4);
rb_define_module_function(module, "coulomb_wave_FG_array", rb_gsl_sf_coulomb_wave_FG_array, 4);
rb_define_module_function(module, "coulomb_wave_FGp_array", rb_gsl_sf_coulomb_wave_FGp_array, 4);
rb_define_module_function(module, "coulomb_wave_sphF_array ", rb_gsl_sf_coulomb_wave_sphF_array, 4);
rb_define_module_function(module, "coulomb_CL_e", rb_gsl_sf_coulomb_CL_e, 2);
rb_define_module_function(module, "coulomb_CL_array", rb_gsl_sf_coulomb_CL_array, 3);
mgsl_sf_coulomb = rb_define_module_under(module, "Coulomb");
rb_define_module_function(mgsl_sf_coulomb, "hydrogenicR_1", rb_gsl_sf_hydrogenicR_1, 2);
rb_define_module_function(mgsl_sf_coulomb, "hydrogenicR_1_e", rb_gsl_sf_hydrogenicR_1_e, 2);
rb_define_module_function(mgsl_sf_coulomb, "hydrogenicR", rb_gsl_sf_hydrogenicR, 4);
rb_define_module_function(mgsl_sf_coulomb, "hydrogenicR_e", rb_gsl_sf_hydrogenicR_e, 4);
rb_define_module_function(mgsl_sf_coulomb, "wave_FG_e", rb_gsl_sf_coulomb_wave_FG_e, 4);
rb_define_module_function(mgsl_sf_coulomb, "wave_F_array", rb_gsl_sf_coulomb_wave_F_array, 4);
rb_define_module_function(mgsl_sf_coulomb, "wave_FG_array", rb_gsl_sf_coulomb_wave_FG_array, 4);
rb_define_module_function(mgsl_sf_coulomb, "wave_FGp_array", rb_gsl_sf_coulomb_wave_FGp_array, 4);
rb_define_module_function(mgsl_sf_coulomb, "wave_sphF_array ", rb_gsl_sf_coulomb_wave_sphF_array, 4);
rb_define_module_function(mgsl_sf_coulomb, "CL_e", rb_gsl_sf_coulomb_CL_e, 2);
rb_define_module_function(mgsl_sf_coulomb, "CL_array", rb_gsl_sf_coulomb_CL_array, 3);
}
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