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--- products/ap_pkgrid.c.orig	2009-12-22 06:33:27.000000000 -0700
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+++ products/ap_pkgrid.c	2011-07-06 15:42:49.268454682 -0600
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@@ -20,6 +20,16 @@
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 #include "pk_user.h"
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 #include "ppl_grid.h"
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+#pragma weak lincons0_of_vector
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+#pragma weak pk_approximate
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+#pragma weak pk_bottom
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+#pragma weak pk_bound_linexpr
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+#pragma weak pk_canonicalize
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+#pragma weak pk_dimension
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+#pragma weak pk_free
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+#pragma weak pk_is_bottom
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+#pragma weak pk_meet_lincons_array
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+
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 void ap_pkgrid_reduce(ap_manager_t* manager,
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 		      ap_reducedproduct_t* a)
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 {