check input value to enforce pre-condition

frederic-mahe · frederic-mahe · commit a530dd8990f8 · 2024-09-23T15:11:24.000+02:00
diff --git a/src/vsearch.cc b/src/vsearch.cc
@@ -5718,6 +5718,11 @@ auto cmd_chimera() -> void
       fatal("Database filename not specified with --db");
     }
 
+  if (opt_abskew < 1.0)
+    {
+      fatal("Argument to --abskew must be >= 1.0");
+    }
+
   if (opt_xn <= 1.0)
     {
       fatal("Argument to --xn must be > 1");

Original file line number	Diff line number	Diff line change
`@@ -5718,6 +5718,11 @@ auto cmd_chimera() -> void`
`5718`	`5718`	`fatal("Database filename not specified with --db");`
`5719`	`5719`	`}`
`5720`	`5720`
	`5721`	`+ if (opt_abskew < 1.0)`
	`5722`	`+ {`
	`5723`	`+ fatal("Argument to --abskew must be >= 1.0");`
	`5724`	`+ }`
	`5725`	`+`
`5721`	`5726`	`if (opt_xn <= 1.0)`
`5722`	`5727`	`{`
`5723`	`5728`	`fatal("Argument to --xn must be > 1");`