view carfac/common.h @ 648:1c2a5868f23a

Fix memory leak in CARFAC.

Also get rid of most uses of auto, which tend to hurt readability
unless the type name is particularly long, especially when it masks
pointers.

//
//  common.h
//  CARFAC Open Source C++ Library
//
//  Created by Alex Brandmeyer on 5/10/13.
//
// This C++ file is part of an implementation of Lyon's cochlear model:
// "Cascade of Asymmetric Resonators with Fast-Acting Compression"
// to supplement Lyon's upcoming book "Human and Machine Hearing"
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef CARFAC_COMMON_H
#define CARFAC_COMMON_H

// The Eigen library is used extensively for floating point arrays.
// For more information, see: http://eigen.tuxfamily.org
#include <Eigen/Core>

// The 'FPType' typedef is used to enable easy switching in precision level.
// It's currently set to double for during the unit testing phase of the
// project.
typedef float FPType;
// A typedef is used to define a one-dimensional Eigen array with the same
// precision level as FPType.
typedef Eigen::Array<FPType, Eigen::Dynamic, 1> ArrayX;
typedef Eigen::Array<FPType, Eigen::Dynamic, Eigen::Dynamic> ArrayXX;

static const FPType kPi = 3.141592653589793238;

// This macro disallows the copy constructor and operator= functions.
// This should be used in the private: declarations for a class.
#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
  TypeName(const TypeName&);               \
  void operator=(const TypeName&)

#endif  // CARFAC_COMMON_H