fix the usage() printout message

Author: shaih

src/Test_General.cpp

@@ -179,9 +179,9 @@ void  TestIt(long R, long p, long r, long d, long c, long k, long w,
 }
 
 
-void usage() 
+void usage(char *prog) 
 {
-  cerr << "Usage: Test_PAlgebra_x [ optional parameters ]...\n";
+  cerr << "Usage: "<<prog<<" [ optional parameters ]...\n";
   cerr << "  optional parameters have the form 'attr1=val1 attr2=val2 ...'\n";
   cerr << "  e.g, 'R=4 L=9 k=80'\n\n";
   cerr << "  R is the number of rounds\n";
@@ -212,7 +212,7 @@ int main(int argc, char *argv[])
   argmap["m"] = "0";
 
   // get parameters from the command line
-  if (!parseArgs(argc, argv, argmap)) usage();
+  if (!parseArgs(argc, argv, argmap)) usage(argv[0]);
 
   long R = atoi(argmap["R"]);
   long p = atoi(argmap["p"]);

src/Test_LinPoly.cpp

@@ -22,10 +22,15 @@
 NTL_CLIENT
 
 
-void usage()
+void usage(char *prog)
 {
-   cerr << "bad command line\n";
-   exit(0);
+  cerr << "Usage: "<<prog<<" [ optional parameters ]...\n";
+  cerr << "  optional parameters have the form 'attr1=val1 attr2=val2 ...'\n";
+  cerr << "  e.g, 'p=5 r=1 m=101'\n\n";
+  cerr << "  p is the plaintext base [default=5]" << endl;
+  cerr << "  r is the lifting [default=1]" << endl;
+  cerr << "  m defines the cyclotomic polynomial Phi_m(X) [default=101]"<< endl;
+  exit(0);
 }
 
 int main(int argc, char *argv[])
@@ -35,7 +40,7 @@ int main(int argc, char *argv[])
    argmap["m"] = "101";
    argmap["r"] = "1";
 
-   if (!parseArgs(argc, argv, argmap)) usage();
+   if (!parseArgs(argc, argv, argmap)) usage(argv[0]);
 
    long p = atoi(argmap["p"]);
    long m = atoi(argmap["m"]);

src/Test_Replicate.cpp

@@ -203,9 +203,9 @@ void  TestIt(long p, long r, long d, long c, long k, long w,
 }
 
 
-void usage() 
+void usage(char *prog) 
 {
-  cerr << "Usage: Test_PAlgebra_x [ optional parameters ]...\n";
+  cerr << "Usage: "<<prog<<" [ optional parameters ]...\n";
   cerr << "  p is the plaintext base [default=2]" << endl;
   cerr << "  r is the lifting [default=1]" << endl;
   cerr << "  d is the degree of the field extension [default==1]\n";
@@ -237,7 +237,7 @@ int main(int argc, char *argv[])
   argmap["M"] = "0";
   argmap["v"] = "0";
 
-  if (!parseArgs(argc, argv, argmap)) usage();
+  if (!parseArgs(argc, argv, argmap)) usage(argv[0]);
 
   long p = atoi(argmap["p"]);
   long r = atoi(argmap["r"]);

src/Test_matmul.cpp

@@ -222,11 +222,11 @@ void  TestIt(long R, long p, long r, long d, long c, long k, long w,
 
 }
 
-void usage() 
+void usage(char *prog) 
 {
-  cerr << "Usage: Test_PAlgebra_x [ optional parameters ]...\n";
+  cerr << "Usage: "<<prog<<" [ optional parameters ]...\n";
   cerr << "  optional parameters have the form 'attr1=val1 attr2=val2 ...'\n";
-  cerr << "  e.g, 'R=4 L=9 k=80'\n\n";
+  cerr << "  e.g, 'R=1 p=2 k=80'\n\n";
   cerr << "  R is the number of rounds\n";
   cerr << "  p is the plaintext base [default=2]" << endl;
   cerr << "  r is the lifting [default=1]" << endl;
@@ -236,7 +236,7 @@ void usage()
   cerr << "  k is the security parameter [default=80]\n";
   cerr << "  L is the # of primes in the modulus chai [default=4*R]\n";
   cerr << "  s is the minimum number of slots [default=4]\n";
-  cerr << "  m is a specific modulus\n";
+  cerr << "  m defined the cyclotomic polynomial Phi_m(X)\n";
   exit(0);
 }
 
@@ -255,7 +255,7 @@ int main(int argc, char *argv[])
   argmap["m"] = "0";
 
   // get parameters from the command line
-  if (!parseArgs(argc, argv, argmap)) usage();
+  if (!parseArgs(argc, argv, argmap)) usage(argv[0]);
 
   long R = atoi(argmap["R"]);
   long p = atoi(argmap["p"]);