Class: R2rb::RVector

Inherits:
Object show all
Defined in:
lib/R4rb/R2rb_eval.rb,
ext/R4rb/R4rb.c

Direct Known Subclasses

Rserve::RVector

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name) ⇒ Object 



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# File 'ext/R4rb/R4rb.c', line 348

VALUE RVect_initialize(VALUE self, VALUE name)
{
  rb_iv_set(self,"@name",name);
  rb_iv_set(self,"@type",rb_str_new2("var"));
  rb_iv_set(self,"@arg",rb_str_new2(""));
  return self;
}

Instance Attribute Details

#name ⇒ Object

[]= iter !!!

#type ⇒ Object

Class Method Details

.assign(name, arr) ⇒ Object 



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# File 'ext/R4rb/R4rb.c', line 530

VALUE RVect_assign(VALUE obj, VALUE name,VALUE arr)
{
  SEXP ans;
  char *tmp;

  ans=util_VALUE2SEXP(arr);

  tmp = StringValuePtr(name);
  defineVar(install(tmp),ans,R_GlobalEnv);

  return Qnil; 
}

Instance Method Details

#<<(name) ⇒ Object 



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# File 'lib/R4rb/R2rb_eval.rb', line 28

def <<(name)
  if name.is_a? Symbol
    @name=name.to_s
    @type="var"
  else
    @name=name
    @type="expr"
  end
  return self
end

#>(arr) ⇒ Object 



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# File 'lib/R4rb/R2rb_eval.rb', line 50

def >(arr)
  res=self.get
#puts "res";p @name;p res
  if res
#puts "arr.class:";p arr.class
#puts "res.class";p res.class
    res=[res] unless res.is_a? Array
    arr.replace(res)
  else
    arr.clear
  end
  return self
end

#[](index) ⇒ Object

faster than self.to_a



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# File 'ext/R4rb/R4rb.c', line 460

VALUE RVect_aref(VALUE self, VALUE index)
{
  SEXP ans;
  VALUE res;
  char *name;
  int n,i;
  Rcomplex cpl;
#ifdef cqls
  VALUE tmp;
#endif
  i = FIX2INT(index);
  
#ifdef cqls
  if(!RVect_isValid(self)) return Qnil;
  tmp=rb_iv_get(self,"@name");
  name = StringValuePtr(tmp);
  ans = findVar(install(name),R_GlobalEnv); //currently in  R_GlobalEnv!!!
#else
  ans = util_getVar(self);
#endif
  n=length(ans);
  //printf("i=%d and n=%d\n",i,n);
  if(i<n) {
    switch(TYPEOF(ans)) {
    case REALSXP:
      res=rb_float_new(REAL(ans)[i]);
      break;
    case INTSXP:
      res=INT2FIX(INTEGER(ans)[i]);
      break;
    case LGLSXP:
      res=(INTEGER(ans)[i] ? Qtrue : Qfalse);
      break;
    case STRSXP:
      res=rb_str_new2(CHAR(STRING_ELT(ans,i)));
      break;
    case CPLXSXP:
      rb_require("complex");
      cpl=COMPLEX(ans)[i];
      res = rb_eval_string("Complex.new(0,0)");
      rb_iv_set(res,"@real",rb_float_new(cpl.r));
      rb_iv_set(res,"@image",rb_float_new(cpl.i));
      break;
    }
  } else {
    res = Qnil;
  }
  return res;
}

#arg=(arg) ⇒ Object 



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# File 'lib/R4rb/R2rb_eval.rb', line 39

def arg=(arg)
  @arg=arg
end

#get ⇒ Object Also known as: to_a, value 



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# File 'ext/R4rb/R4rb.c', line 402

VALUE RVect_get(VALUE self)
{
  SEXP ans;
  VALUE res;
  char *name;
  int n,i;
  Rcomplex cpl;
  VALUE res2; 

  //#define cqls
#ifdef cqls 
  VALUE tmp;
  if(!RVect_isValid(self)) return Qnil;
#else  
  ans = util_getVar(self);

  if(ans==R_NilValue) {
    //printf("Sortie de get avec nil\n");
    return Qnil;
  }
#endif
#ifdef cqls 
  tmp=rb_iv_get(self,"@name");
  name = StringValuePtr(tmp);
  ans = findVar(install(name),R_GlobalEnv); 
#endif

  res=util_SEXP2VALUE(ans);
  if(length(ans)==1) res=rb_ary_entry(res,0);
  return res; 
}

#get_with_arg ⇒ Object Also known as: value_with_arg

method “arg=” defined in eval.rb!! @arg initialized in method “initialize”



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# File 'ext/R4rb/R4rb.c', line 434

VALUE RVect_get_with_arg(VALUE self)
{
  SEXP ans;
  VALUE res;
  char *name;
  int n,i;
  Rcomplex cpl;
  VALUE res2; 

  ans = util_getExpr_with_arg(self);
 
  if(ans==R_NilValue) {
    //printf("Sortie de get avec nil\n");
    return Qnil;
  }
  res=util_SEXP2VALUE(ans);
 
//printf("RVect_get_with_arg: length(ans)=%d\n",length(ans));
 if (length(ans)==1) res=rb_ary_entry(res,0);

  return res;
}

#length ⇒ Object 



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# File 'ext/R4rb/R4rb.c', line 381

VALUE RVect_length(VALUE self)
{
  SEXP ans;
  char *name;
#ifdef cqls
  VALUE tmp;
  tmp=rb_iv_get(self,"@name");
  if(!RVect_isValid(self)) return Qnil;
  name = StringValuePtr(tmp);
  ans = findVar(install(name),R_GlobalEnv); //currently in  R_GlobalEnv!!!
#else
  ans = util_getVar(self);

  if(ans==R_NilValue) {
    //printf("Sortie de length avec nil\n");
    return Qnil;
  }
#endif
  return INT2NUM(length(ans));
}

#set(arr) ⇒ Object Also known as: <, value= 



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# File 'ext/R4rb/R4rb.c', line 510

VALUE RVect_set(VALUE self,VALUE arr)
{
  SEXP ans;
  char *name;
  VALUE tmp;

  ans=util_VALUE2SEXP(arr);
  
  tmp=rb_iv_get(self,"@name");
  name = StringValuePtr(tmp);
  if(util_isVariable(self)) {
    defineVar(install(name),ans,R_GlobalEnv); //currently in R_GlobalEnv!!!
  } else {
    defineVar(install(".rubyExport"),ans,R_GlobalEnv);
    util_eval1string(rb_str_cat2(rb_str_dup(rb_iv_get(self,"@name")),"<-.rubyExport"));
  }

  return self; 
}

#set_arg(arg) ⇒ Object

this method is the same as the previous one but return self! Let us notice that even by adding return self in the previous one I could not manage to execute (rvect.arg=“”).value_with_arg but fortunately rvect.set_arg(“”).value_with_arg is working!



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# File 'lib/R4rb/R2rb_eval.rb', line 45

def set_arg(arg)
  @arg=arg
  return self
end

#set_with_arg(arr) ⇒ Object Also known as: value_with_arg= 



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# File 'ext/R4rb/R4rb.c', line 543

VALUE RVect_set_with_arg(VALUE self,VALUE arr)
{
  VALUE tmp;
  defineVar(install(".rubyExport"),util_VALUE2SEXP(arr),R_GlobalEnv);
  tmp=rb_iv_get(self,"@arg"); 
  util_eval1string(rb_str_cat2(rb_str_cat2(rb_str_dup(rb_iv_get(self,"@name")),StringValuePtr(tmp)),"<-.rubyExport"));
  return self;
}

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/R4rb/R4rb.c', line 356

VALUE RVect_isValid(VALUE self)
{
  SEXP ans;
  char *name;

#ifdef cqls
  VALUE tmp;
  tmp=rb_iv_get(self,"@name");
  name = StringValuePtr(tmp);
  ans = findVar(install(name),R_GlobalEnv); //currently in  R_GlobalEnv!!!
#else
  ans = util_getVar(self);
#endif
  if(!util_isVector(ans)) {
#ifndef cqls
    VALUE tmp;
    tmp=rb_iv_get(self,"@name");
    name = StringValuePtr(tmp);
#endif
    rb_warn("%s is not a R vector !!!",name); //TODO name not defined
    return Qfalse;
  }
  return Qtrue;
}