static VALUE rb_gsl_ary_to_integration_qaws_table(VALUE ary) { gsl_integration_qaws_table *t = NULL; t = make_qaws_table(ary); return Data_Wrap_Struct(cgsl_integration_qaws_table, 0, gsl_integration_qaws_table_free, t); }
static VALUE rb_gsl_integration_qaws(int argc, VALUE *argv, VALUE obj) { double a, b, epsabs, epsrel; double result, abserr; size_t limit; gsl_function *F = NULL; gsl_integration_workspace *w = NULL; gsl_integration_qaws_table *t = NULL; int status, intervals, itmp, flag = 0, flagt = 0; switch (TYPE(obj)) { case T_MODULE: case T_CLASS: case T_OBJECT: if (argc < 2) rb_raise(rb_eArgError, "too few arguments"); CHECK_FUNCTION(argv[0]); Data_Get_Struct(argv[0], gsl_function, F); itmp = 1; break; default: if (argc < 1) rb_raise(rb_eArgError, "too few arguments"); Data_Get_Struct(obj, gsl_function, F); itmp = 0; break; } itmp = get_a_b(argc, argv, itmp, &a, &b); if (TYPE(argv[itmp]) == T_ARRAY) { flagt = 1; t = make_qaws_table(argv[itmp]); } else { flagt = 0; if (!rb_obj_is_kind_of(argv[itmp], cgsl_integration_qaws_table)) rb_raise(rb_eTypeError, "Integration::QAWS_Table expected"); Data_Get_Struct(argv[itmp], gsl_integration_qaws_table, t); } flag = get_epsabs_epsrel_limit_workspace(argc, argv, itmp+1, &epsabs, &epsrel, &limit, &w); status = gsl_integration_qaws(F, a, b, t, epsabs, epsrel, limit, w, &result, &abserr); intervals = w->size; if (flag == 1) gsl_integration_workspace_free(w); if (flagt == 1) gsl_integration_qaws_table_free(t); return rb_ary_new3(4, rb_float_new(result), rb_float_new(abserr), INT2FIX(intervals), INT2FIX(status)); }