Index: /issm/trunk/src/mex/Ll2xy/Ll2xy.cpp
===================================================================
--- /issm/trunk/src/mex/Ll2xy/Ll2xy.cpp	(revision 8696)
+++ /issm/trunk/src/mex/Ll2xy/Ll2xy.cpp	(revision 8697)
@@ -65,6 +65,6 @@
 	else                ncoord=nlat;
 	if (sgn != +1 && sgn != -1) _error_("Hemisphere sgn=%d must be +1 (north) or -1 (south).",sgn);
-	if (fabs(cm) > 180.+DBL_EPSILON) _error_("Central meridian cm=%g must be between -180 (west) and +180 (east) degrees.",cm);
-	if (fabs(sp) >  90.+DBL_EPSILON) _error_("Standard parallel sp=%g must be between -90 (south) and +90 (north) degrees.",sp);
+	if (fabs(cm)      > 180.) _error_("Central meridian cm=%g must be between -180 (west) and +180 (east) degrees.",cm);
+	if (sp < 0. || sp >  90.) _error_("Standard parallel sp=%g must be between 0 and 90 degrees (in specified hemisphere).",sp);
 
 	x=(double *)xmalloc(ncoord*sizeof(double));
Index: /issm/trunk/src/mex/Xy2ll/Xy2ll.cpp
===================================================================
--- /issm/trunk/src/mex/Xy2ll/Xy2ll.cpp	(revision 8696)
+++ /issm/trunk/src/mex/Xy2ll/Xy2ll.cpp	(revision 8697)
@@ -65,6 +65,6 @@
 	else            ncoord=nx;
 	if (sgn != +1 && sgn != -1) _error_("Hemisphere sgn=%d must be +1 (north) or -1 (south).",sgn);
-	if (fabs(cm) > 180.+DBL_EPSILON) _error_("Central meridian cm=%g must be between -180 (west) and +180 (east) degrees.",cm);
-	if (fabs(sp) >  90.+DBL_EPSILON) _error_("Standard parallel sp=%g must be between -90 (south) and +90 (north) degrees.",sp);
+	if (fabs(cm)      > 180.) _error_("Central meridian cm=%g must be between -180 (west) and +180 (east) degrees.",cm);
+	if (sp < 0. || sp >  90.) _error_("Standard parallel sp=%g must be between 0 and 90 degrees (in specified hemisphere).",sp);
 
 	lat=(double *)xmalloc(ncoord*sizeof(double));