Bugfix in Max object. Default values were wrong and didn't work for negative input values

src/changelog.txt

@@ -108,4 +108,5 @@
 081022 cs  convert   Xtthelp bookmark on header didn't work after html conversion.
 081024 cs  xtthelp   New program co_help to view helptexts.
 081124 cs  qcom      Quota check for max number of buffered messages in a queue added.
-090224 cs  xtthelp   New home button in help window.
\ No newline at end of file
+090224 cs  xtthelp   New home button in help window.
+090506 cs  pwrb      Bugfix in Max object. Default values were wrong and didn't work for negative input values.
\ No newline at end of file

src/wbl/pwrb/src/pwrb_c_max.wb_load

@@ -166,14 +166,14 @@ SObject pwrb:Class
     EndObject
     Object Template Max
       Body RtBody
-	Attr In1 = FLT_MIN
-	Attr In2 = FLT_MIN
-	Attr In3 = FLT_MIN
-	Attr In4 = FLT_MIN
-	Attr In5 = FLT_MIN
-	Attr In6 = FLT_MIN
-	Attr In7 = FLT_MIN
-	Attr In8 = FLT_MIN
+	Attr In1 = FLT_NMAX
+	Attr In2 = FLT_NMAX
+	Attr In3 = FLT_NMAX
+	Attr In4 = FLT_NMAX
+	Attr In5 = FLT_NMAX
+	Attr In6 = FLT_NMAX
+	Attr In7 = FLT_NMAX
+	Attr In8 = FLT_NMAX
       EndBody
     EndObject
   EndObject

wb/lib/wb/src/wb_wblnode.cpp

@@ -2026,12 +2026,14 @@ int wb_wblnode::attrStringToValue( int type_id, char *value_str,
     }
     case pwr_eType_Float32:
     {
-      if ( strcmp( value_str, "FLT_MIN") == 0) {
+      if ( strcmp( value_str, "FLT_MIN") == 0)
 	*(float *)buffer_ptr = FLT_MIN;
-      }
-      else if ( strcmp( value_str, "FLT_MAX") == 0) {
+      else if ( strcmp( value_str, "FLT_NMIN") == 0)
+	*(float *)buffer_ptr = -FLT_MIN;
+      else if ( strcmp( value_str, "FLT_MAX") == 0)
 	*(float *)buffer_ptr = FLT_MAX;
-      }
+      else if ( strcmp( value_str, "FLT_NMAX") == 0)
+	*(float *)buffer_ptr = -FLT_MAX;
       else if ( sscanf( value_str, "%f", (float *)buffer_ptr) != 1)
         return 0;
       break;

wb/lib/wb/src/wb_wnav.cpp

@@ -69,8 +69,12 @@ int  wnav_attr_string_to_value( ldh_tSesContext ldhses, int type_id, char *value
   case pwr_eType_Float32: {
     if ( strcmp( value_str, "FLT_MIN") == 0)
       *(float *)buffer_ptr = FLT_MIN;
+    else if ( strcmp( value_str, "FLT_NMIN") == 0)
+      *(float *)buffer_ptr = -FLT_MIN;
     else if ( strcmp( value_str, "FLT_MAX") == 0)
       *(float *)buffer_ptr = FLT_MAX;
+    else if ( strcmp( value_str, "FLT_NMAX") == 0)
+      *(float *)buffer_ptr = -FLT_MAX;
     else if ( sscanf( value_str, "%f", (float *)buffer_ptr) != 1)
       return WNAV__INPUT_SYNTAX;
     break;
@@ -293,10 +297,18 @@ void  wnav_attrvalue_to_string( ldh_tSesContext ldhses, int type_id, void *value
       strcpy( str, "FLT_MIN");
       *len = strlen( str);
     }
+    else if ( *(float *)value_ptr == -FLT_MIN) {
+      strcpy( str, "FLT_NMIN");
+      *len = strlen( str);
+    }
     else if ( *(float *)value_ptr == FLT_MAX) {
       strcpy( str, "FLT_MAX");
       *len = strlen( str);
     }
+    else if ( *(float *)value_ptr == -FLT_MAX) {
+      strcpy( str, "FLT_NMAX");
+      *len = strlen( str);
+    }
     else
       *len = sprintf( str, "%f", *(float *)value_ptr);
     *buff = str;

xtt/lib/xtt/src/xtt_xnav.cpp

@@ -239,8 +239,12 @@ int XNav::attr_string_to_value( int type_id, char *value_str,
   case pwr_eType_Float32: {
     if ( strcmp( value_str, "FLT_MIN") == 0)
       *(float *)buffer_ptr = FLT_MIN;
+    else if ( strcmp( value_str, "FLT_NMIN") == 0)
+      *(float *)buffer_ptr = -FLT_MIN;
     else if ( strcmp( value_str, "FLT_MAX") == 0)
       *(float *)buffer_ptr = FLT_MAX;
+    else if ( strcmp( value_str, "FLT_NMAX") == 0)
+      *(float *)buffer_ptr = -FLT_MAX;
     else if ( sscanf( value_str, "%f", (float *)buffer_ptr) != 1)
       return XNAV__INPUT_SYNTAX;
     break;
@@ -451,10 +455,18 @@ void XNav::attrvalue_to_string( int type_id, pwr_tTid tid, void *value_ptr,
       strcpy( str, "FLT_MIN");
       *len = strlen(str);
     }
+    else if ( *(float *)value_ptr == -FLT_MIN) {
+      strcpy( str, "FLT_NMIN");
+      *len = strlen(str);
+    }
     else if ( *(float *)value_ptr == FLT_MAX) {
       strcpy( str, "FLT_MAX");
       *len = strlen(str);
     }
+    else if ( *(float *)value_ptr == -FLT_MAX) {
+      strcpy( str, "FLT_NMAX");
+      *len = strlen(str);
+    }
     else {
       if ( !format)
 	*len = snprintf( str, size, "%g", *(float *)value_ptr);