Class: Msieve

Inherits:
Object
  • Object
show all
Defined in:
lib/msieve.rb,
ext/msieve.c

Defined Under Namespace

Classes: Factor

Constant Summary collapse

MSIEVE_VERSION = 
rb_str_new2 (msieve_version_string)
VERSION = 
rb_str_new2 ("0.1.0")

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Object

}



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# File 'ext/msieve.c', line 157

VALUE r_msieve_initialize(int argc, VALUE *argv, VALUE self)
{
  msieve_obj *self_val;
  VALUE integer, hash, hash_value, str;
  char *integer_val;

  msieve_get_struct (self, self_val);
  rb_scan_args (argc, argv, "11", &integer, &hash);
  if (NUMERIC_P(integer)) {
    VALUE integer_s = rb_funcall (integer, rb_intern("to_s"), 0);
	str = StringValue (integer_s);
  }
  else if (STRING_P(integer)) {
    str = StringValue (integer);
  }
  else {
    rb_raise (rb_eArgError, "integer must be Numeric or String");
  }
  integer_val = RSTRING_PTR(str);
  self_val->input = integer_val;
  
  if (NIL_P(hash)) { hash = rb_hash_new (); }
  if (! HASH_P(hash)) {
    rb_raise (rb_eArgError, "options must be a Hash");
  }
  
  hash_value = rb_hash_aref(hash, rb_symbol("quiet"));
  if (hash_value != Qnil) {
    self_val->flags &= ~(MSIEVE_FLAG_USE_LOGFILE | MSIEVE_FLAG_LOG_TO_STDOUT);
  }
  
  hash_value = rb_hash_aref(hash, rb_symbol("max_relations"));
  if (hash_value != Qnil) {
    self_val->max_relations = FIX2INT(hash_value);
  }
  
  hash_value = rb_hash_aref(hash, rb_symbol("num_threads"));
  if (hash_value != Qnil) {
    self_val->num_threads = FIX2INT(hash_value);
  }
  
  hash_value = rb_hash_aref(hash, rb_symbol("mem_mb"));
  if (hash_value != Qnil) {
    self_val->mem_mb = FIX2INT(hash_value);
  }
  
  return Qnil;
}

Instance Attribute Details

#factors ⇒ Object (readonly)

Class Method Details

.clear_log(log_name = "msieve.log") ⇒ Object 



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# File 'lib/msieve.rb', line 12

def self.clear_log(log_name = "msieve.log")
  if File.exist? log_name
    File.delete log_name
  end
  puts "Cleared! (but not really)."
end

Instance Method Details

#cache_size1 ⇒ Object

#cache_size2 ⇒ Object

#factor! ⇒ Object 



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# File 'ext/msieve.c', line 206

VALUE r_msieve_factor_bang(VALUE self)
{
  msieve_obj *self_val;
  msieve_get_struct (self, self_val);
  
  msieve_run(self_val);
  
  if (!(self_val->flags & MSIEVE_FLAG_FACTORIZATION_DONE)) {
    rb_raise (rb_eRuntimeError, "current factorization was interrupted");
  }
  
  msieve_set_factors(self);
  
  return rb_iv_get (self, "@factors");
}

#input ⇒ Object

#max_relations ⇒ Object

#mem_mb ⇒ Object

#nfs_lower ⇒ Object

#nfs_upper ⇒ Object

#num_threads ⇒ Object

#seed1 ⇒ Object 



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# File 'ext/msieve.c', line 253

VALUE r_msieve_seed1(VALUE self)
{
  msieve_obj *self_val;
  msieve_get_struct (self, self_val);
  
  long seed1_val = self_val->seed1;
  VALUE seed1 = LONG2FIX(seed1_val);
  
  return seed1;
}

#seed2 ⇒ Object