src/neuralnet/layer.cc

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#include "singa/neuralnet/layer.h"

#include <cblas.h>
#include <glog/logging.h>
#include <math.h>
#include <cfloat>
#include "singa/utils/factory.h"
#include "singa/utils/singleton.h"
#include "singa/utils/math_blob.h"

namespace singa {

using std::string;

Layer* Layer::Create(const LayerProto& proto) {
  auto* factory = Singleton<Factory<Layer>>::Instance();
  Layer* layer = nullptr;
  if (proto.has_user_type())
    layer = factory->Create(proto.user_type());
  else
    layer = factory->Create(proto.type());
  return layer;
}

const std::string Layer::ToString(bool debug, int flag) {
  if (!debug)
    return "";
  string ret = "";
  if ((flag & kForward) == kForward && data_.count() !=0) {
    ret += StringPrintf("data:%e ", Asum(data_));
    for (Param* p : GetParams())
      ret += StringPrintf("%s:%13.9f ",
          p->name().c_str(), Asum(p->data()));
  }
  if ((flag & kBackward) == kBackward && grad_.count() != 0) {
    ret += StringPrintf("grad:%e ", Asum(grad_));
    for (Param* p : GetParams())
      ret += StringPrintf("%s:%13.9f ",
          p->name().c_str(), Asum(p->grad()));
  }
  return ret;
}
}  // namespace singa