Class: MathieuArray

Inherits:
DefMethod show all
Defined in:
ext/numo/gsl/sf/parse_sf.rb

Constant Summary collapse

RE = 
/^gsl_sf_mathieu_\w+_array$/

Instance Attribute Summary

Attributes inherited from ErbPP

#children, #parent

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from DefMethod

#c_func, #c_iter, #c_name, #define_method_args, #id_op, #init_def, #op_map, #singleton

Methods included from DeclMethod

#def_alias, #def_alloc_func, #def_const, #def_method, #def_module_function, #def_singleton_method, #undef_alloc_func, #undef_method, #undef_singleton_method

Methods inherited from ErbPP

#add_child, #description, #find, #find_tmpl, #get, #init_def, #load_erb, #method_missing, #method_missing_alias, #result, #run, #set, #write

Constructor Details

#initialize(parent, tmpl, **h) ⇒ MathieuArray

Returns a new instance of MathieuArray.



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# File 'ext/numo/gsl/sf/parse_sf.rb', line 154

def initialize(parent,tmpl,**h)
  super(parent,tmpl,**h)

  case h[:func_name]
  when "gsl_sf_mathieu_alloc"
    set name: "new"
    set singleton: true
  when /_array$/
    set name: h[:func_name].sub(/^gsl_sf_mathieu_/,"")
    set singleton: false
  end

  case func_name
  when /_(a|b)_array$/
    @mathieu_type = :characteristic
  when /_(c|s)e_array$/
    @mathieu_type = :angular
  when /_M(c|s)_array$/
    @mathieu_type = :radial
  end

  if @mathieu_type == :radial
    @preproc_code = "  if (c0!=1 || c0!=2) {\n      rb_raise(rb_eArgError,\"j should be 1 or 2\");\n  }\n  if (c1<0 || c2<0 || c1>c2) {\n      rb_raise(rb_eArgError,\"should be nmin>=0 && nmax>=0 && nmin<=nmax\");\n  }\n  shape[0] = c2-c1+1;\n"
    else
      @preproc_code = "  if (c0<0 || c1<0 || c0>c1) {\n      rb_raise(rb_eArgError,\"should be nmin>=0 && nmax>=0 && nmin<=nmax\");\n  }\n  shape[0] = c1-c0+1;\n"
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class ErbPP

Class Method Details

.lookup(h) ⇒ Object 



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# File 'ext/numo/gsl/sf/parse_sf.rb', line 139

def self.lookup(h)
  case h[:func_name]
  when "gsl_sf_mathieu_alloc"
    "c_new_sizet_double"
  when RE
    arg_types = h[:args].map{|a| a[0].sub(/^const /,"")}
    tp = "gsl_sf_mathieu_workspace *"
    case arg_types
    when ["int"]*2+["double",tp,"double"];     "c_DFloat_f_int_x2_DFloat"
    when ["int"]*2+["double"]*2+[tp,"double"]; "c_DFloat_f_int_x2_DFloat_x2"
    when ["int"]*3+["double"]*2+[tp,"double"]; "c_DFloat_f_int_x3_DFloat_x2"
    end
  end
end