Difference between revisions of "Statistical Algorithms Importer: Linux-compiled Project FAQ"
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:Below the C++ code in sample which generates basicstatistic linux executable file: | :Below the C++ code in sample which generates basicstatistic linux executable file: | ||
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//============================================================================ | //============================================================================ | ||
// Name : BasicStatistic.cpp | // Name : BasicStatistic.cpp | ||
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return 0; | return 0; | ||
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:test.txt: | :test.txt: | ||
Revision as of 14:11, 3 November 2017
Contents |
F.A.Q. of Statistical Algorithms Importer (SAI), here are common mistakes we have found in Linux-compiled Project.
How to use the input parameters
- For example we consider BasicStatistic algorithm that use basicstatistic linux executable file:
- DataMiner show the BasicStatistic algorithm in this way:
- Below the C++ code in sample which generates basicstatistic linux executable file:
//============================================================================ // Name : BasicStatistic.cpp // Author : Giancarlo Panichi // Version : // Copyright : GNU GENERAL PUBLIC LICENSE. Version 3.0 // Description : BasicStatistic in C++, Ansi-style //============================================================================ #include <iostream> #include <stdio.h> #include <stdlib.h> #include <string.h> using namespace std; int main(int argc, char **argv) { printf("BasicStatistic"); printf("Operator: %s\n",argv[1]); printf("Maximum number of items considered: %s\n",argv[2]); printf("Input file: %s\n",argv[3]); FILE * finput; char * line = NULL; size_t len = 0; ssize_t read; finput = fopen(argv[3], "r"); if (finput == NULL){ printf("No input file found: %s\n", argv[3]); return -1; } int limit=atoi(argv[2]); int i=0; int value=0; int result=0; while (((read = getline(&line, &len, finput)) != -1) && (i<limit||limit==-1)) { printf("Retrieved line of length %zu and value: %s", read,line); value=atoi(line); if(i==0){ result=value; } else { if (strcmp(argv[1], "max") == 0) { if(value>result){ result=value; } } else { if (strcmp(argv[1], "min") == 0) { if(value<result){ result=value; } } else { if (strcmp(argv[1], "average") == 0) { result=(result+value)/2; } else { break; } } } } i++; } fclose(finput); if (line){ free(line); } //Write result FILE *foutput = fopen("output.txt", "w"); if (foutput == NULL) { printf("Error opening file!\n"); return -1; } fprintf(foutput, "BasicStatistic Result: \n"); fprintf(foutput, "%d\n", result); fclose(foutput); return 0; }
- test.txt:
9 20 12 23 44 65 80 100
- with basicstatistic max -1 test.txt, output.txt:
BasicStatistic Result: 100
- BasicStatistic code:
