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[OBJ] Add basic objective function and registry

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This commit is contained in:
tqchen
2015-12-30 18:22:15 -08:00
parent 46bcba7173
commit dedd87662b
16 changed files with 965 additions and 836 deletions
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31
src/data/data.cc
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@@ -2,8 +2,8 @@
* Copyright 2015 by Contributors
* \file data.cc
*/
#include <cstring>
#include <xgboost/data.h>
#include <cstring>
namespace xgboost {
// implementation of inline functions
@@ -35,7 +35,8 @@ void MetaInfo::LoadBinary(dmlc::Stream *fi) {
CHECK_EQ(version, kVersion) << "MetaInfo: invalid format";
CHECK(fi->Read(&num_row, sizeof(num_row)) == sizeof(num_row)) << "MetaInfo: invalid format";
CHECK(fi->Read(&num_col, sizeof(num_col)) == sizeof(num_col)) << "MetaInfo: invalid format";
CHECK(fi->Read(&num_nonzero, sizeof(num_nonzero)) == sizeof(num_nonzero)) << "MetaInfo: invalid format";
CHECK(fi->Read(&num_nonzero, sizeof(num_nonzero)) == sizeof(num_nonzero))
<< "MetaInfo: invalid format";
CHECK(fi->Read(&labels)) << "MetaInfo: invalid format";
CHECK(fi->Read(&group_ptr)) << "MetaInfo: invalid format";
CHECK(fi->Read(&weights)) << "MetaInfo: invalid format";
@@ -45,19 +46,19 @@ void MetaInfo::LoadBinary(dmlc::Stream *fi) {
// macro to dispatch according to specified pointer types
#define DISPATCH_CONST_PTR(dtype, old_ptr, cast_ptr, proc) \
switch(dtype) { \
case kFloat32: { \
const float* cast_ptr = reinterpret_cast<const float*>(old_ptr); proc; break; \
} \
case kDouble: { \
const double* cast_ptr = reinterpret_cast<const double*>(old_ptr); proc; break; \
} \
case kUInt32: { \
const uint32_t* cast_ptr = reinterpret_cast<const uint32_t*>(old_ptr); proc; break; \
} \
case kUInt64: { \
const uint64_t* cast_ptr = reinterpret_cast<const uint64_t*>(old_ptr); proc; break; \
} \
switch (dtype) { \
case kFloat32: { \
const float* cast_ptr = reinterpret_cast<const float*>(old_ptr); proc; break; \
} \
case kDouble: { \
const double* cast_ptr = reinterpret_cast<const double*>(old_ptr); proc; break; \
} \
case kUInt32: { \
const uint32_t* cast_ptr = reinterpret_cast<const uint32_t*>(old_ptr); proc; break; \
} \
case kUInt64: { \
const uint64_t* cast_ptr = reinterpret_cast<const uint64_t*>(old_ptr); proc; break; \
} \
default: LOG(FATAL) << "Unknown data type" << dtype; \
} \