Avoid writing xvgr formatting with -xvg none

[alexxy/gromacs.git] / src / tools / gmx_anaeig.c

diff --git a/src/tools/gmx_anaeig.c b/src/tools/gmx_anaeig.c
index b01c5754baad4f2cde943cbaa65f874eba034257..54f2dae555016870a05dca26f98bb74985c3fe30 100644 (file)
--- a/src/tools/gmx_anaeig.c
+++ b/src/tools/gmx_anaeig.c
@@ -260,18 +260,12 @@ static void write_xvgr_graphs(const char *file, int ngraphs, int nsetspergraph,
             {
                 if (bSplit && i > 0 && fabs(x[i]) < 1e-5)
                 {
-                    if (output_env_get_print_xvgr_codes(oenv))
-                    {
-                        fprintf(out, "&\n");
-                    }
+                    fprintf(out, "%s\n", output_env_get_print_xvgr_codes(oenv) ? "&" : "");
                 }
                 fprintf(out, "%10.4f %10.5f\n",
                         x[i]*scale_x, y ? y[g][i] : sy[g][s][i]);
             }
-            if (output_env_get_print_xvgr_codes(oenv))
-            {
-                fprintf(out, "&\n");
-            }
+            fprintf(out, "%s\n", output_env_get_print_xvgr_codes(oenv) ? "&" : "");
         }
     }
     ffclose(out);
@@ -473,8 +467,10 @@ static void overlap(const char *outfile, int natoms,
 
     out = xvgropen(outfile, "Subspace overlap",
                    "Eigenvectors of trajectory 2", "Overlap", oenv);
-    fprintf(out, "@ subtitle \"using %d eigenvectors of trajectory 1\"\n",
-            noutvec);
+    if(output_env_get_print_xvgr_codes(oenv))
+    {
+        fprintf(out, "@ subtitle \"using %d eigenvectors of trajectory 1\"\n",noutvec);
+    }
     overlap = 0;
     for (x = 0; x < nvec2; x++)
     {
@@ -673,7 +669,7 @@ static void project(const char *trajfile, t_topology *top, int ePBC, matrix topb
         {
             if (bSplit && i > 0 && fabs(inprod[noutvec][i]) < 1e-5)
             {
-                fprintf(xvgrout, "&\n");
+                fprintf(xvgrout, "%s\n", output_env_get_print_xvgr_codes(oenv) ? "&" : "");
             }
             fprintf(xvgrout, "%10.5f %10.5f\n", inprod[0][i], inprod[noutvec-1][i]);
         }