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/*
sf_gegenbauer.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.
*/
#include "rb_gsl_sf.h"
static VALUE rb_gsl_sf_gegenpoly_1(VALUE obj, VALUE lambda, VALUE x)
{
return rb_gsl_sf_eval_double_double(gsl_sf_gegenpoly_1, lambda, x);
}
static VALUE rb_gsl_sf_gegenpoly_1_e(VALUE obj, VALUE lambda, VALUE x)
{
return rb_gsl_sf_eval_e_double2(gsl_sf_gegenpoly_1_e, lambda, x);
}
static VALUE rb_gsl_sf_gegenpoly_2(VALUE obj, VALUE lambda, VALUE x)
{
return rb_gsl_sf_eval_double_double(gsl_sf_gegenpoly_2, lambda, x);
}
static VALUE rb_gsl_sf_gegenpoly_2_e(VALUE obj, VALUE lambda, VALUE x)
{
return rb_gsl_sf_eval_e_double2(gsl_sf_gegenpoly_2_e, lambda, x);
}
static VALUE rb_gsl_sf_gegenpoly_3(VALUE obj, VALUE lambda, VALUE x)
{
return rb_gsl_sf_eval_double_double(gsl_sf_gegenpoly_3, lambda, x);
}
static VALUE rb_gsl_sf_gegenpoly_3_e(VALUE obj, VALUE lambda, VALUE x)
{
return rb_gsl_sf_eval_e_double2(gsl_sf_gegenpoly_3_e, lambda, x);
}
static VALUE rb_gsl_sf_gegenpoly_n(VALUE obj, VALUE n, VALUE lambda, VALUE x)
{
return rb_gsl_sf_eval_int_double_double(gsl_sf_gegenpoly_n, n, lambda, x);
}
static VALUE rb_gsl_sf_gegenpoly_n_e(VALUE obj, VALUE n, VALUE lambda, VALUE x)
{
gsl_sf_result *rslt = NULL;
VALUE v;
// local variable "status" declared and set, but never used
//int status;
CHECK_FIXNUM(n);
Need_Float(lambda); Need_Float(x);
v = Data_Make_Struct(cgsl_sf_result, gsl_sf_result, 0, free, rslt);
/*status =*/ gsl_sf_gegenpoly_n_e(FIX2INT(n), NUM2DBL(lambda), NUM2DBL(x), rslt);
return v;
}
static VALUE rb_gsl_sf_gegenpoly_array(VALUE obj, VALUE nmax, VALUE lambda, VALUE x)
{
gsl_vector *v = NULL;
CHECK_FIXNUM(nmax);
Need_Float(lambda); Need_Float(x);
v = gsl_vector_alloc(nmax);
gsl_sf_gegenpoly_array(FIX2INT(nmax), NUM2DBL(lambda), NUM2DBL(x), v->data);
return Data_Wrap_Struct(cgsl_vector, 0, gsl_vector_free, v);
}
void Init_gsl_sf_gegenbauer(VALUE module)
{
VALUE mgsl_sf_gegenpoly;
rb_define_module_function(module, "gegenpoly_1", rb_gsl_sf_gegenpoly_1, 2);
rb_define_module_function(module, "gegenpoly_1_e", rb_gsl_sf_gegenpoly_1_e, 2);
rb_define_module_function(module, "gegenpoly_2", rb_gsl_sf_gegenpoly_2, 2);
rb_define_module_function(module, "gegenpoly_2_e", rb_gsl_sf_gegenpoly_2_e, 2);
rb_define_module_function(module, "gegenpoly_3", rb_gsl_sf_gegenpoly_3, 2);
rb_define_module_function(module, "gegenpoly_3_e", rb_gsl_sf_gegenpoly_3_e, 2);
rb_define_module_function(module, "gegenpoly_n", rb_gsl_sf_gegenpoly_n, 3);
rb_define_module_function(module, "gegenpoly_n_e", rb_gsl_sf_gegenpoly_n_e, 3);
rb_define_module_function(module, "gegenpoly_array", rb_gsl_sf_gegenpoly_array, 3);
mgsl_sf_gegenpoly = rb_define_module_under(module, "Gegenpoly");
rb_define_module_function(mgsl_sf_gegenpoly, "one", rb_gsl_sf_gegenpoly_1, 2);
rb_define_module_function(mgsl_sf_gegenpoly, "one_e", rb_gsl_sf_gegenpoly_1_e, 2);
rb_define_module_function(mgsl_sf_gegenpoly, "two", rb_gsl_sf_gegenpoly_2, 2);
rb_define_module_function(mgsl_sf_gegenpoly, "two_e", rb_gsl_sf_gegenpoly_2_e, 2);
rb_define_module_function(mgsl_sf_gegenpoly, "three", rb_gsl_sf_gegenpoly_3, 2);
rb_define_module_function(mgsl_sf_gegenpoly, "three_e", rb_gsl_sf_gegenpoly_3_e, 2);
rb_define_module_function(mgsl_sf_gegenpoly, "n", rb_gsl_sf_gegenpoly_n, 3);
rb_define_module_function(mgsl_sf_gegenpoly, "n_e", rb_gsl_sf_gegenpoly_n_e, 3);
rb_define_module_function(mgsl_sf_gegenpoly, "array", rb_gsl_sf_gegenpoly_array, 3);
}
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