PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // pl_NSPR_io.h 00004 // Copyright (C) 2005 Pascal Vincent 00005 // 00006 00007 // Redistribution and use in source and binary forms, with or without 00008 // modification, are permitted provided that the following conditions are met: 00009 // 00010 // 1. Redistributions of source code must retain the above copyright 00011 // notice, this list of conditions and the following disclaimer. 00012 // 00013 // 2. Redistributions in binary form must reproduce the above copyright 00014 // notice, this list of conditions and the following disclaimer in the 00015 // documentation and/or other materials provided with the distribution. 00016 // 00017 // 3. The name of the authors may not be used to endorse or promote 00018 // products derived from this software without specific prior written 00019 // permission. 00020 // 00021 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 00022 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00023 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 00024 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00025 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00026 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00027 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00028 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00029 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00030 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00031 // 00032 // This file is part of the PLearn library. For more information on the PLearn 00033 // library, go to the PLearn Web site at www.plearn.org 00034 00035 00036 00037 00038 /* ******************************************************* 00039 * AUTHORS: Pascal Vincent 00040 * This file is part of the PLearn library. 00041 ******************************************************* */ 00042 00043 00046 #ifndef pl_NSPR_io_INC 00047 #define pl_NSPR_io_INC 00048 00049 #include <nspr/prio.h> 00050 00051 namespace PLearn { 00052 00053 // Functions to read from a file written in any representation 00054 00055 void PR_Read_int(PRFileDesc *f, int* ptr, int n, bool is_file_bigendian); 00056 void PR_Read_float(PRFileDesc *f, float* ptr, int n, bool is_file_bigendian); 00057 void PR_Read_float(PRFileDesc *f, double* ptr, int n, bool is_file_bigendian); 00058 void PR_Read_double(PRFileDesc *f, double* ptr, int n, bool is_file_bigendian); 00059 void PR_Read_double(PRFileDesc *f, float* ptr, int n, bool is_file_bigendian); 00060 void PR_Read_short(PRFileDesc *f, unsigned short* ptr, int n, bool is_file_bigendian); 00061 00062 00063 // Functions to write to a file in any representation 00064 00065 void PR_Write_int(PRFileDesc *f, const int* ptr, int n, bool is_file_bigendian); 00066 void PR_Write_float(PRFileDesc *f, const float* ptr, int n, bool is_file_bigendian); 00067 void PR_Write_float(PRFileDesc *f, const double* ptr, int n, bool is_file_bigendian); 00068 void PR_Write_double(PRFileDesc *f, const double* ptr, int n, bool is_file_bigendian); 00069 void PR_Write_double(PRFileDesc *f, const float* ptr, int n, bool is_file_bigendian); 00070 00071 00076 inline int PR_Read_int(PRFileDesc *f, bool is_file_bigendian=true) 00077 { int res; PR_Read_int(f,&res,1,is_file_bigendian); return res; } 00078 inline float PR_Read_float(PRFileDesc *f, bool is_file_bigendian=true) 00079 { float res; PR_Read_float(f,&res,1,is_file_bigendian); return res; } 00080 inline double PR_Read_double(PRFileDesc *f, bool is_file_bigendian=true) 00081 { double res; PR_Read_double(f,&res,1,is_file_bigendian); return res; } 00082 00085 inline void PR_Write_int(PRFileDesc *f, int value, bool is_file_bigendian=true) 00086 { PR_Write_int(f, &value, 1, is_file_bigendian); } 00087 inline void PR_Write_float(PRFileDesc *f, float value, bool is_file_bigendian=true) 00088 { PR_Write_float(f, &value, 1, is_file_bigendian); } 00089 inline void PR_Write_double(PRFileDesc *f, double value, bool is_file_bigendian=true) 00090 { PR_Write_double(f, &value, 1, is_file_bigendian); } 00091 00092 00093 } // end of namespace PLearn 00094 00095 00096 #endif 00097 00098 00099 /* 00100 Local Variables: 00101 mode:c++ 00102 c-basic-offset:4 00103 c-file-style:"stroustrup" 00104 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00105 indent-tabs-mode:nil 00106 fill-column:79 00107 End: 00108 */ 00109 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :