UNIX for Dummies Questions & Answers

g++ solvopt.cpp psd.cpp -o psd -O3

./install

user@ubuntu:~/Desktop/PSD Solve$ ./install
solvopt.cpp: In function ‘double solvopt(short unsigned int, double*, double (*)(double*), double (*)(double*, double*), double*, double (*)(double*), double (*)(double*, double*))':
solvopt.cpp:337:39: warning: deprecated conversion from string constant to ‘char*' [-Wwrite-strings]
solvopt.cpp:618:35: warning: deprecated conversion from string constant to ‘char*' [-Wwrite-strings]
solvopt.cpp:633:47: warning: deprecated conversion from string constant to ‘char*' [-Wwrite-strings]
solvopt.cpp:640:59: warning: format not a string literal and no format arguments [-Wformat-security]
solvopt.cpp:720:31: warning: deprecated conversion from string constant to ‘char*' [-Wwrite-strings]
psd.cpp: In function ‘int main(int, char**)':
psd.cpp:351:48: error: ‘strcmp' was not declared in this scope
psd.cpp:289:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
psd.cpp:290:45: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
psd.cpp:296:103: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
psd.cpp:339:84: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
user@ubuntu:~/Desktop/PSD Solve$

//psd.cpp
#include <iostream>
#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#include "gettime.c"
#include "solvopt.h"
#include "ran_nr.cpp"

#define big_no 1000.0
#define PI 3.141592654
#define MAX_TYPE 120

using namespace std;

long nearest(double x)
{
[etc.]

//gettime.c

#include <sys/time.h>
//#include <time.h>
                            
int gettime(double *sec)
{
  /*  extern int gettimeofday(); */
  struct timeval t;
  struct timezone tz;
                              
  int stat;
  stat = gettimeofday(&t, &tz);
  *sec = (double)(t.tv_sec + t.tv_usec/1000000.0);
  return(stat);
}

//solvopt.cpp

#include <stdlib.h>
#include <math.h>  /* NEEDED FOR MATH MACROS. REMOVE, IF DEFINED ELSEWHERE */
#include <stdio.h>
#include <malloc.h>

#define errmes "\nSolvOpt error:"
#define wrnmes "\nSolvOpt warning:"
#define error2 "\nArgument X has to be a vector of dimension > 1."
#define error32 "\nFunction equals infinity at the point."
#define error42 "\nGradient equals infinity at the starting point."
#define error43 "\nGradient equals zero at the starting point."
#define error52 "\n<func> returns infinite value at the point."
#define error62 "\n<gradc> returns infinite vector at the point."
#define error63 "\n<gradc> returns zero vector at an infeasible point."
#define error5 "\nFunction is unbounded."
[etc.]

psd.cpp:351:48: error: ‘strcmp' was not declared in this scope

//psd.cpp
#include <iostream>
#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "gettime.c"
#include "solvopt.h"
#include "ran_nr.cpp"