diff --git a/C/stdpreds.c b/C/stdpreds.c
index 33fbbee88..e3478fabe 100644
--- a/C/stdpreds.c
+++ b/C/stdpreds.c
@@ -11,8 +11,12 @@
 * File:		stdpreds.c						 *
 * comments:	General-purpose C implemented system predicates		 *
 *									 *
-* Last rev:     $Date: 2006-05-19 14:31:32 $,$Author: vsc $						 *
+* Last rev:     $Date: 2006-06-05 19:36:00 $,$Author: vsc $						 *
 * $Log: not supported by cvs2svn $
+* Revision 1.104  2006/05/19 14:31:32  vsc
+* get rid of IntArrays and FloatArray code.
+* include holes when calculating memory usage.
+*
 * Revision 1.103  2006/05/18 16:33:05  vsc
 * fix info reported by memory manager under DL_MALLOC and SYSTEM_MALLOC
 *
@@ -2833,6 +2837,40 @@ p_loop(void) {
 }
 #endif
 
+#if QSAR
+static Int
+p_in_range(void) {
+  Term t;
+  double i,j;
+  double d1;
+  double d2;
+  double d3;
+
+  t = Deref(ARG1);
+  if (IsFloatTerm(t)) i = FloatOfTerm(t); else i = IntegerOfTerm(t); 
+  t = Deref(ARG4);
+  if (IsFloatTerm(t)) j = FloatOfTerm(t); else j = IntegerOfTerm(t);
+  d1 = i-j;
+  t = Deref(ARG2);
+  if (IsFloatTerm(t)) i = FloatOfTerm(t); else i = IntegerOfTerm(t); 
+  t = Deref(ARG5);
+  if (IsFloatTerm(t)) j = FloatOfTerm(t); else j = IntegerOfTerm(t);
+  d2 = i-j;
+  t = Deref(ARG3);
+  if (IsFloatTerm(t)) i = FloatOfTerm(t); else i = IntegerOfTerm(t); 
+  t = Deref(ARG6);
+  if (IsFloatTerm(t)) j = FloatOfTerm(t); else j = IntegerOfTerm(t);
+  d3 = i-j;
+  t = Deref(ARG7);
+  if (IsFloatTerm(t)) i = FloatOfTerm(t); else i = IntegerOfTerm(t); 
+  t = Deref(ARG8);
+  if (IsFloatTerm(t)) j = FloatOfTerm(t); else j = IntegerOfTerm(t);
+  
+  return fabs(sqrt(d1*d1 + d2*d2 + d3*d3)-i) <= j; 
+
+}
+#endif
+
 static Int
 p_max_tagged_integer(void) {
   return Yap_unify(ARG1, MkIntTerm(MAX_ABS_INT-1L));
@@ -2952,6 +2990,9 @@ Yap_InitCPreds(void)
   Yap_InitCPred("euc_dist", 3, p_euc_dist, SafePredFlag);
   Yap_InitCPred("loop", 0, p_loop, SafePredFlag);
 #endif
+#if QSAR
+  Yap_InitCPred("in_range", 8, p_in_range, SafePredFlag);
+#endif
 #ifdef DEBUG
   Yap_InitCPred("dump_active_goals", 0, p_dump_active_goals, SafePredFlag|SyncPredFlag);
 #endif
diff --git a/LGPL/JPL/src/jpl.c b/LGPL/JPL/src/jpl.c
index 445233c44..8673be88f 100644
--- a/LGPL/JPL/src/jpl.c
+++ b/LGPL/JPL/src/jpl.c
@@ -1,4 +1,4 @@
-/*  $Id: jpl.c,v 1.10 2006-05-19 13:48:11 vsc Exp $
+/*  $Id: jpl.c,v 1.11 2006-06-05 19:36:00 vsc Exp $
 
     Part of JPL -- SWI-Prolog/Java interface
 
@@ -2201,6 +2201,35 @@ jni_SetByteArrayElement(
 
     }
 
+/*
+ %T jni_SetByteArrayElement(+term, +term, +term)
+ */
+static foreign_t
+jni_SetDoubleArrayElement(
+    term_t	ta1,	// +Arg1
+    term_t	ta2,	// +Arg2
+    term_t	ta3	// +Arg3
+    )
+    {
+      jboolean	r;	// Prolog exit/fail outcome
+      jdoubleArray p1;
+      jint i2;
+      jdouble i3;
+
+      if	(   !jni_ensure_jvm()	)
+	{
+	  return FALSE;
+	}
+      r = 
+	JNI_term_to_double_jarray(env,ta1,&p1)
+	&& JNI_term_to_jint(ta2,&i2)
+	&& JNI_term_to_jdouble(ta3,&i3)
+	&& ( (*env)->SetDoubleArrayRegion(env,p1,i2,1,&i3) , TRUE );
+
+      return jni_check_exception() && r;
+
+    }
+
 /*
 %T jni_void( +integer, +term, +term, +term)
  */
@@ -3902,6 +3931,7 @@ PL_extension predspecs[] =
       { "jni_func",			 5, jni_func_3_plc,		       0 },
       { "jni_func",			 6, jni_func_4_plc,		       0 },
       { "jni_SetByteArrayElement",	 3, jni_SetByteArrayElement,	       0 },
+      { "jni_SetDoubleArrayElement",	 3, jni_SetDoubleArrayElement,	       0 },
       { "jpl_c_lib_version",		 1, jpl_c_lib_version_1_plc,	       0 },
       { "jpl_c_lib_version",		 4, jpl_c_lib_version_4_plc,	       0 },
       { NULL,				 0, NULL,			       0 }