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--- ./bundled/singular/apps/ideal/include/internal/singularRingManager.h.orig	2014-10-13 06:14:22.000000000 -0600
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+++ ./bundled/singular/apps/ideal/include/internal/singularRingManager.h	2014-11-08 20:00:00.000000000 -0700
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@@ -22,7 +22,7 @@
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 #include "polymake/client.h"
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 #include "polymake/Map.h"
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-#include <Singular/libsingular.h>
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+#include <libsingular.h>
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 #include "polymake/ideal/internal/singularTermOrderData.h"
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 #include "polymake/ideal/internal/singularTermOrderMap.h"
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 #include "polymake/ideal/internal/singularConvertTypes.h"
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--- ./bundled/singular/apps/ideal/include/internal/singularTermOrderData.h.orig	2014-10-13 06:14:22.000000000 -0600
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+++ ./bundled/singular/apps/ideal/include/internal/singularTermOrderData.h	2014-11-08 20:00:00.000000000 -0700
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@@ -21,7 +21,7 @@
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 #include "polymake/Ring.h"
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 #include "polymake/Polynomial.h"
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-#include "Singular/libsingular.h"
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+#include <libsingular.h>
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 namespace polymake { 
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 namespace ideal {
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--- ./bundled/singular/apps/ideal/include/internal/singularTermOrderMap.h.orig	2014-10-13 06:14:22.000000000 -0600
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+++ ./bundled/singular/apps/ideal/include/internal/singularTermOrderMap.h	2014-11-08 20:00:00.000000000 -0700
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@@ -20,7 +20,7 @@
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 #include "polymake/Map.h"
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 #include "polymake/ideal/internal/singularTermOrderData.h"
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-#include <Singular/libsingular.h>
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+#include <libsingular.h>
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 namespace polymake { 
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 namespace ideal {
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--- ./bundled/singular/apps/ideal/include/internal/singularUtils.h.orig	2014-10-13 06:14:22.000000000 -0600
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+++ ./bundled/singular/apps/ideal/include/internal/singularUtils.h	2014-11-08 20:00:00.000000000 -0700
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@@ -18,7 +18,7 @@
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 #define POLYMAKE_IDEAL_INTERNAL_SINGULAR_UTILS_H
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 // Singular includes
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-#include <Singular/libsingular.h>
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+#include <libsingular.h>
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 // polymake includes
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 #include "polymake/client.h"
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--- ./bundled/singular/apps/ideal/src/singularConvertTypes.cc.orig	2014-10-13 06:14:22.000000000 -0600
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+++ ./bundled/singular/apps/ideal/src/singularConvertTypes.cc	2014-11-08 20:00:00.000000000 -0700
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@@ -53,7 +53,7 @@ number convert_Rational_to_number(const
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    mpz_set(num,numerator(r).get_rep());
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    mpz_init(denom);
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    mpz_set(denom,denominator(r).get_rep());
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-   return nlInit2gmp(num,denom,NULL);
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+   return nlInit2gmp(num,denom);
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 }
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@@ -86,7 +86,7 @@ poly convert_Polynomial_to_poly(const Po
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          p_SetExp(monomial,k+1,term->first[k],ring);
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       }
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       p_Setm(monomial,ring);
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-      p = p_Sub(p, monomial,ring);
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+      p = p_Add_q(p, p_Neg(monomial, ring), ring);
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    }
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    return p;
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 }
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--- ./bundled/singular/apps/ideal/src/singularIdeal.cc.orig	2014-10-13 06:14:22.000000000 -0600
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+++ ./bundled/singular/apps/ideal/src/singularIdeal.cc	2014-11-08 20:00:00.000000000 -0700
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@@ -16,9 +16,9 @@
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 #include <dlfcn.h>
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-#include <Singular/libsingular.h>
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-#include <kernel/combinatorics/stairc.h>
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-#include <coeffs/mpr_complex.h>
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+#include <libsingular.h>
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+#include <singular/stairc.h>
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+#include <singular/mpr_complex.h>
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 #include "polymake/ideal/singularIdeal.h"
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 #include "polymake/ideal/internal/singularTermOrderData.h"
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@@ -110,7 +110,7 @@ public:
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    SingularIdeal_wrap* initial_ideal() const {
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       check_ring(singRing); 
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-      ::ideal res = id_Head(singIdeal,IDRING(singRing));
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+      ::ideal res = idHead(singIdeal);
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       SingularIdeal_wrap* initial = new SingularIdeal_impl(res,singRing);
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       id_Delete(&res,currRing);
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       return initial;
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@@ -195,12 +195,12 @@ public:
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          ring solring = (ring)iiRETURNEXPR.Data();
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          // avoid redefinition message
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          BITSET oldverb;
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-         SI_SAVE_OPT2(oldverb);
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-         si_opt_2 &= ~Sy_bit(V_REDEFINE);
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+         oldverb = verbose;
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+         verbose &= ~Sy_bit(V_REDEFINE);
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          // switch to the new returned ring
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          idhdl solRingHdl=enterid("solveRing", 0, RING_CMD, &IDROOT, FALSE);
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          IDRING(solRingHdl)=solring;
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-         SI_RESTORE_OPT2(oldverb);
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+         verbose = oldverb;
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          rSetHdl(solRingHdl);
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          // retrieve solution list SOL from the interpreter
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          idhdl sol = ggetid("SOL");
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--- ./bundled/singular/apps/ideal/src/singularInit.cc.orig	2014-10-13 06:14:22.000000000 -0600
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+++ ./bundled/singular/apps/ideal/src/singularInit.cc	2014-11-08 20:00:00.000000000 -0700
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@@ -80,8 +80,8 @@ void init_singular()
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    cerr << "*** singular siInit done. ***" << endl;
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 #else
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    // make singular library loading quiet
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-   si_opt_2 &= ~Sy_bit(V_LOAD_LIB);
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-   si_opt_2 &= ~Sy_bit(V_REDEFINE);
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+   verbose &= ~Sy_bit(V_LOAD_LIB);
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+   verbose &= ~Sy_bit(V_REDEFINE);
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 #endif
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    singular_initialized = 1;
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 }
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--- ./bundled/singular/apps/ideal/src/singularUtils.cc.orig	2014-10-13 06:14:22.000000000 -0600
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+++ ./bundled/singular/apps/ideal/src/singularUtils.cc	2014-11-08 20:00:00.000000000 -0700
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@@ -16,7 +16,7 @@
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 #include <dlfcn.h>
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-#include <Singular/libsingular.h>
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+#include <libsingular.h>
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 #include "polymake/client.h"
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 #include "polymake/Matrix.h"
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--- ./bundled/singular/configure.pl.orig	2014-10-13 06:14:22.000000000 -0600
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+++ ./bundled/singular/configure.pl	2014-11-08 20:00:00.000000000 -0700
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@@ -45,12 +45,12 @@ sub proceed {
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    chomp $singularprefix;
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    # yes we need it twice ...
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-   $Libs = join(" ",$LDflags =~ m/(-l\w+)/g) . " -lpolys -lomalloc";
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+   $Libs = join(" ",$LDflags =~ m/(-l\w+)/g) . " -lsingular";
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    $LDflags =~ s/ -l\w+//g;
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    $LDflags =~ s/-L(\S+)/-L$1 -Wl,-rpath,$1/g;
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    my $error=Polymake::Configure::build_test_program(<<"---", CXXflags => $CXXflags, LDflags => $LDflags, Libs => $Libs);
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-#include "Singular/libsingular.h"
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+#include "libsingular.h"
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 #include <string>
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 int main() {
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    char* cpath = omStrDup("$singularprefix/lib/libSingular.$lib_ext");