68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
#ifndef _XGBOOST_UTILS_H_
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#define _XGBOOST_UTILS_H_
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/*!
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* \file xgboost_utils.h
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* \brief simple utils to support the code
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* \author Tianqi Chen: tianqi.tchen@gmail.com
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*/
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#ifdef _MSC_VER
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#define fopen64 fopen
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#else
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// use 64 bit offset, either to include this header in the beginning, or
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#ifdef _FILE_OFFSET_BITS
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#if _FILE_OFFSET_BITS == 32
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#warning "FILE OFFSET BITS defined to be 32 bit"
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#endif
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#endif
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#ifdef __APPLE__
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#define off64_t off_t
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#define fopen64 fopen
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#endif
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#define _FILE_OFFSET_BITS 64
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extern "C"{
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#include <sys/types.h>
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};
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#include <cstdio>
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#endif
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#include <cstdio>
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#include <cstdlib>
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namespace xgboost{
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/*! \brief namespace for helper utils of the project */
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namespace utils{
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inline void Error( const char *msg ){
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fprintf( stderr, "Error:%s\n",msg );
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exit( -1 );
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}
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inline void Assert( bool exp ){
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if( !exp ) Error( "AssertError" );
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}
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inline void Assert( bool exp, const char *msg ){
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if( !exp ) Error( msg );
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}
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inline void Warning( const char *msg ){
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fprintf( stderr, "warning:%s\n",msg );
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}
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/*! \brief replace fopen, report error when the file open fails */
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inline FILE *FopenCheck( const char *fname , const char *flag ){
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FILE *fp = fopen64( fname , flag );
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if( fp == NULL ){
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fprintf( stderr, "can not open file \"%s\"\n",fname );
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exit( -1 );
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}
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return fp;
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}
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};
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};
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#endif
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