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francois |
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// Voro++, a 3D cell-based Voronoi library |
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// |
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// Author : Chris H. Rycroft (LBL / UC Berkeley) |
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// Email : chr@alum.mit.edu |
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// Date : August 30th 2011 |
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/** \file common.hh |
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* \brief Header file for the small helper functions. */ |
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#ifndef VOROPP_COMMON_HH |
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#define VOROPP_COMMON_HH |
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#include <cstdio> |
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#include <cstdlib> |
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#include <vector> |
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#include "config.hh" |
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namespace voro { |
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/** \brief Function for printing fatal error messages and exiting. |
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* |
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* Function for printing fatal error messages and exiting. |
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* \param[in] p a pointer to the message to print. |
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* \param[in] status the status code to return with. */ |
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inline void voro_fatal_error(const char *p,int status) { |
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fprintf(stderr,"voro++: %s\n",p); |
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exit(status); |
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} |
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/** \brief Prints a vector of positions. |
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* |
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* Prints a vector of positions as bracketed triplets. |
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* \param[in] v the vector to print. |
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* \param[in] fp the file stream to print to. */ |
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inline void voro_print_positions(std::vector<double> &v,FILE *fp=stdout) { |
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if(v.size()>0) { |
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fprintf(fp,"(%g,%g,%g)",v[0],v[1],v[2]); |
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for(int k=3;(unsigned int) k<v.size();k+=3) { |
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fprintf(fp," (%g,%g,%g)",v[k],v[k+1],v[k+2]); |
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} |
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} |
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} |
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/** \brief Opens a file and checks the operation was successful. |
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* |
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* Opens a file, and checks the return value to ensure that the operation |
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* was successful. |
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* \param[in] filename the file to open. |
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* \param[in] mode the cstdio fopen mode to use. |
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* \return The file handle. */ |
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inline FILE* safe_fopen(const char *filename,const char *mode) { |
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FILE *fp=fopen(filename,mode); |
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if(fp==NULL) { |
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fprintf(stderr,"voro++: Unable to open file '%s'\n",filename); |
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exit(VOROPP_FILE_ERROR); |
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} |
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return fp; |
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} |
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void voro_print_vector(std::vector<int> &v,FILE *fp=stdout); |
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void voro_print_vector(std::vector<double> &v,FILE *fp=stdout); |
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void voro_print_face_vertices(std::vector<int> &v,FILE *fp=stdout); |
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} |
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#endif |
