Merge pull request #1310 from tklein23/display_for_sparse_vector

Added display_vector() method to SGSparseVector for easier debugging.
shogun-toolbox · Jul 25, 2013 · 389afef · 389afef
2 parents 8ffd7ea + 4410c98
commit 389afef
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diff --git a/src/shogun/lib/SGSparseVector.cpp b/src/shogun/lib/SGSparseVector.cpp
@@ -261,6 +261,133 @@ T SGSparseVector<T>::dot_prod_symmetric(const SGSparseVector<T>& a, const SGSpar
 	return dot_prod;
 }
 
+template <>
+void SGSparseVector<bool>::display_vector(const char* name, const char* prefix)
+{
+	SG_SPRINT("%s%s=[", prefix, name);
+	for (int32_t i=0; i<num_feat_entries; i++)
+		SG_SPRINT("%s%s%d:%d", prefix, i==0 ? "" : " ", features[i].feat_index, features[i].entry ? 1 : 0);
+	SG_SPRINT("%s]\n", prefix);
+}
+
+template <>
+void SGSparseVector<char>::display_vector(const char* name, const char* prefix)
+{
+	SG_SPRINT("%s%s=[", prefix, name);
+	for (int32_t i=0; i<num_feat_entries; i++)
+		SG_SPRINT("%s%s%d:%c", prefix, i==0 ? "" : " ", features[i].feat_index, features[i].entry);
+	SG_SPRINT("%s]\n", prefix);
+}
+
+template <>
+void SGSparseVector<int8_t>::display_vector(const char* name, const char* prefix)
+{
+	SG_SPRINT("%s%s=[", prefix, name);
+	for (int32_t i=0; i<num_feat_entries; i++)
+		SG_SPRINT("%s%s%d:%d", prefix, i==0 ? "" : " ", features[i].feat_index, features[i].entry);
+	SG_SPRINT("%s]\n", prefix);
+}
+
+template <>
+void SGSparseVector<uint8_t>::display_vector(const char* name, const char* prefix)
+{
+	SG_SPRINT("%s%s=[", prefix, name);
+	for (int32_t i=0; i<num_feat_entries; i++)
+		SG_SPRINT("%s%s%d:%u", prefix, i==0 ? "" : " ", features[i].feat_index, features[i].entry);
+	SG_SPRINT("%s]\n", prefix);
+}
+
+template <>
+void SGSparseVector<int16_t>::display_vector(const char* name, const char* prefix)
+{
+	SG_SPRINT("%s%s=[", prefix, name);
+	for (int32_t i=0; i<num_feat_entries; i++)
+		SG_SPRINT("%s%s%d:%d", prefix, i==0 ? "" : " ", features[i].feat_index, features[i].entry);
+	SG_SPRINT("%s]\n", prefix);
+}
+
+template <>
+void SGSparseVector<uint16_t>::display_vector(const char* name, const char* prefix)
+{
+	SG_SPRINT("%s%s=[", prefix, name);
+	for (int32_t i=0; i<num_feat_entries; i++)
+		SG_SPRINT("%s%s%d:%u", prefix, i==0 ? "" : " ", features[i].feat_index, features[i].entry);
+	SG_SPRINT("%s]\n", prefix);
+}
+
+template <>
+void SGSparseVector<int32_t>::display_vector(const char* name, const char* prefix)
+{
+	SG_SPRINT("%s%s=[", prefix, name);
+	for (int32_t i=0; i<num_feat_entries; i++)
+		SG_SPRINT("%s%s%d:%d", prefix, i==0 ? "" : " ", features[i].feat_index, features[i].entry);
+	SG_SPRINT("%s]\n", prefix);
+}
+
+template <>
+void SGSparseVector<uint32_t>::display_vector(const char* name, const char* prefix)
+{
+	SG_SPRINT("%s%s=[", prefix, name);
+	for (int32_t i=0; i<num_feat_entries; i++)
+		SG_SPRINT("%s%s%d:%u", prefix, i==0 ? "" : " ", features[i].feat_index, features[i].entry);
+	SG_SPRINT("%s]\n", prefix);
+}
+
+template <>
+void SGSparseVector<int64_t>::display_vector(const char* name, const char* prefix)
+{
+	SG_SPRINT("%s%s=[", prefix, name);
+	for (int32_t i=0; i<num_feat_entries; i++)
+		SG_SPRINT("%s%s%d:%lld", prefix, i==0 ? "" : " ", features[i].feat_index, features[i].entry);
+	SG_SPRINT("%s]\n", prefix);
+}
+
+template <>
+void SGSparseVector<uint64_t>::display_vector(const char* name, const char* prefix)
+{
+	SG_SPRINT("%s%s=[", prefix, name);
+	for (int32_t i=0; i<num_feat_entries; i++)
+		SG_SPRINT("%s%s%d:%llu ", prefix, i==0 ? "" : " ", features[i].feat_index, features[i].entry);
+	SG_SPRINT("%s]\n", prefix);
+}
+
+template <>
+void SGSparseVector<float32_t>::display_vector(const char* name, const char* prefix)
+{
+	SG_SPRINT("%s%s=[", prefix, name);
+	for (int32_t i=0; i<num_feat_entries; i++)
+		SG_SPRINT("%s%s%d:%g", prefix, i==0 ? "" : " ", features[i].feat_index, features[i].entry);
+	SG_SPRINT("%s]\n", prefix);
+}
+
+template <>
+void SGSparseVector<float64_t>::display_vector(const char* name, const char* prefix)
+{
+	SG_SPRINT("%s%s=[", prefix, name);
+	for (int32_t i=0; i<num_feat_entries; i++)
+		SG_SPRINT("%s%s%d:%.18g", prefix, i==0 ? "" : " ", features[i].feat_index, features[i].entry);
+	SG_SPRINT("%s]\n", prefix);
+}
+
+template <>
+void SGSparseVector<floatmax_t>::display_vector(const char* name, const char* prefix)
+{
+	SG_SPRINT("%s%s=[", prefix, name);
+	for (int32_t i=0; i<num_feat_entries; i++)
+		SG_SPRINT("%s%s%d:%.36Lg", prefix, i==0 ? "" : " ", features[i].feat_index, features[i].entry);
+	SG_SPRINT("%s]\n", prefix);
+}
+
+template <>
+void SGSparseVector<complex64_t>::display_vector(const char* name, const char* prefix)
+{
+	SG_SPRINT("%s%s=[", prefix, name);
+	for (int32_t i=0; i<num_feat_entries; i++)
+		SG_SPRINT("%s%s%d:(%.18lg+i%.18lg)", prefix, i==0 ? "" : " ", features[i].feat_index,
+				features[i].entry.real(), features[i].entry.imag());
+	SG_SPRINT("%s]\n", prefix);
+}
+
 template class SGSparseVector<bool>;
 template class SGSparseVector<char>;
 template class SGSparseVector<int8_t>;

diff --git a/src/shogun/lib/SGSparseVector.h b/src/shogun/lib/SGSparseVector.h
@@ -120,6 +120,15 @@ template <class T> class SGSparseVector : public SGReferencedData
 	 */
 	void save(CFile* saver);
 
+
+	/** display vector
+	 *
+	 * @param name   vector name in output
+	 * @param prefix prepend on every entry
+	 */
+	void display_vector(const char* name="vector",
+			const char* prefix="");
+
 protected:
 	virtual void copy_data(const SGReferencedData& orig);