X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=src%2Fsdf-1.c;h=0b591c784efbf5c87738652893f6dbbec83f77c0;hb=07b93dbf2b66fa23c5378ab0fa42f9a7f0083380;hp=d21052d66a032ce6e0d68e1665f6a33b0647a225;hpb=331b5c344271387790f735540510e2a07e4e42a7;p=ctsim.git

diff --git a/src/sdf-1.c b/src/sdf-1.c
index d21052d..0b591c7 100644
--- a/src/sdf-1.c
+++ b/src/sdf-1.c
@@ -2,8 +2,17 @@
 **  This is part of the CTSim program
 **  Copyright (C) 1983-2000 Kevin Rosenberg
 **
-**  $Id: sdf-1.c,v 1.3 2000/05/08 20:02:32 kevin Exp $
+**  $Id: sdf-1.c,v 1.6 2000/05/24 22:50:04 kevin Exp $
 **  $Log: sdf-1.c,v $
+**  Revision 1.6  2000/05/24 22:50:04  kevin
+**  Added support for new SGP library
+**
+**  Revision 1.5  2000/05/16 04:33:59  kevin
+**  Improved option processing
+**
+**  Revision 1.4  2000/05/09 14:52:27  kevin
+**  added sqr and sqrt functions
+**
 **  Revision 1.3  2000/05/08 20:02:32  kevin
 **  ANSI C changes
 **
@@ -28,13 +37,14 @@
 **  along with this program; if not, write to the Free Software
 **  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 ******************************************************************************/
+
 /* FILE
  *   sdf-1.c             Filter a single SDF file
  */
 
 #include "ct.h"
 
-enum {O_LOG, O_EXP, O_INVERT, O_VERBOSE, O_HELP, O_VERSION};
+enum {O_LOG, O_EXP, O_SQRT, O_SQR, O_INVERT, O_VERBOSE, O_HELP, O_VERSION};
 
 static struct option my_options[] =
 {
@@ -42,28 +52,31 @@ static struct option my_options[] =
   {"verbose", 0, 0, O_VERBOSE},
   {"log", 0, 0, O_LOG},
   {"exp", 0, 0, O_EXP},
+  {"sqr", 0, 0, O_SQR},
+  {"sqrt", 0, 0, O_SQRT},
   {"help", 0, 0, O_HELP},
   {"version", 0, 0, O_VERSION},
   {0, 0, 0, 0}
 };
 
 void 
-usage (const char *program)
+sdf1_usage (const char *program)
 {
-  fprintf(stdout, "usage: %s infile outfile [OPTIONS]\n", kbasename(program));
+  fprintf(stdout, "sdf1_usage: %s infile outfile [OPTIONS]\n", kbasename(program));
   fprintf(stdout, "Generate a SDF2D file from a SDF2D file\n");
   fprintf(stdout, "\n");
   fprintf(stdout, "     --invert   Invert image\n");
   fprintf(stdout, "     --log      Natural logrithm of image\n");
   fprintf(stdout, "     --exp      Natural exponential of image\n");
+  fprintf(stdout, "     --sqr      Square of image\n");
+  fprintf(stdout, "     --sqrt     Square root of image\n");
   fprintf(stdout, "     --verbose  Verbose modem\n");
   fprintf(stdout, "     --version  Print version\n");
   fprintf(stdout, "     --help     Print this help message\n");
-  exit(1);
 }
 
 int 
-main (int argc, char *const argv[])
+sdf1_main (int argc, char *const argv[])
 {
   IMAGE *im_in;
   IMAGE *im_out;
@@ -73,6 +86,8 @@ main (int argc, char *const argv[])
   int opt_invert = 0;
   int opt_log = 0;
   int opt_exp = 0;
+  int opt_sqr = 0;
+  int opt_sqrt = 0;
 
   while (1)
     {
@@ -89,6 +104,12 @@ main (int argc, char *const argv[])
 	case O_LOG:
 	  opt_log = 1;
 	  break;
+	case O_SQR:
+	  opt_sqr = 1;
+	  break;
+	case O_SQRT:
+	  opt_sqrt = 1;
+	  break;
 	case O_EXP:
 	  opt_exp = 1;
 	  break;
@@ -104,25 +125,25 @@ main (int argc, char *const argv[])
 	  exit(0);
 	case O_HELP:
 	case '?':
-	  usage(argv[0]);
-	  exit(0);
+	  sdf1_usage(argv[0]);
+	  return (0);
 	default:
-	  usage(argv[0]);
-	  exit(1);
+	  sdf1_usage(argv[0]);
+	  return (1);
 	}
     }
 
   if (optind + 2 != argc)
     {
-      usage(argv[0]);
-      exit(1);
+      sdf1_usage(argv[0]);
+      return (1);
     }
   
   in_file = argv[optind];
   out_file = argv[optind + 1];
 
 
-  if (opt_invert || opt_log || opt_exp) {
+  if (opt_invert || opt_log || opt_exp || opt_sqr || opt_sqrt) {
     int ix, iy;
 
     im_in = image_load (in_file);
@@ -130,18 +151,28 @@ main (int argc, char *const argv[])
 
     if (opt_invert) {
       for (ix = 0; ix < im_in->nx; ix++)
-	for (iy = 0; iy < im_in->ny; iy++)
-	  im_out->v[ix][iy] = - im_in->v[ix][iy];
+        for (iy = 0; iy < im_in->ny; iy++)
+          im_out->v[ix][iy] = - im_in->v[ix][iy];
     }
     if (opt_log) {
       for (ix = 0; ix < im_in->nx; ix++)
-	for (iy = 0; iy < im_in->ny; iy++)
-	  im_out->v[ix][iy] = log (im_in->v[ix][iy]);
+        for (iy = 0; iy < im_in->ny; iy++)
+          im_out->v[ix][iy] = log (im_in->v[ix][iy]);
     }
     if (opt_exp) {
       for (ix = 0; ix < im_in->nx; ix++)
-	for (iy = 0; iy < im_in->ny; iy++)
-	  im_out->v[ix][iy] = exp (im_in->v[ix][iy]);
+        for (iy = 0; iy < im_in->ny; iy++)
+          im_out->v[ix][iy] = exp (im_in->v[ix][iy]);
+    }
+    if (opt_sqr) {
+      for (ix = 0; ix < im_in->nx; ix++)
+        for (iy = 0; iy < im_in->ny; iy++)
+          im_out->v[ix][iy] = im_in->v[ix][iy] * im_in->v[ix][iy];
+    }
+    if (opt_sqrt) {
+      for (ix = 0; ix < im_in->nx; ix++)
+        for (iy = 0; iy < im_in->ny; iy++)
+          im_out->v[ix][iy] = sqrt (im_in->v[ix][iy]);
     }
 
     image_save(im_out);
@@ -149,3 +180,12 @@ main (int argc, char *const argv[])
 
   return (0);
 }
+
+#ifndef NO_MAIN
+int 
+main (int argc, char *const argv[])
+{
+  return (sdf1_main(argc, argv));
+}
+#endif
+