* Fix compilation issues with prereleases of GCC 4.3, at least in theory.

[ginac.git] / ginac / pseries.cpp

diff --git a/ginac/pseries.cpp b/ginac/pseries.cpp
index 1e61e0aee18b8066eea85bf1360572a3b3d86074..ec8e8c652560bb60eceadc99dbf44b3e1aedd4f5 100644 (file)
--- a/ginac/pseries.cpp
+++ b/ginac/pseries.cpp
@@ -23,6 +23,7 @@
 
 #include <numeric>
 #include <stdexcept>
+#include <limits>
 
 #include "pseries.h"
 #include "add.h"
@@ -292,7 +293,7 @@ int pseries::degree(const ex &s) const
                epvector::const_iterator it = seq.begin(), itend = seq.end();
                if (it == itend)
                        return 0;
-               int max_pow = INT_MIN;
+               int max_pow = std::numeric_limits<int>::min();
                while (it != itend) {
                        int pow = it->rest.degree(s);
                        if (pow > max_pow)
@@ -320,7 +321,7 @@ int pseries::ldegree(const ex &s) const
                epvector::const_iterator it = seq.begin(), itend = seq.end();
                if (it == itend)
                        return 0;
-               int min_pow = INT_MAX;
+               int min_pow = std::numeric_limits<int>::max();
                while (it != itend) {
                        int pow = it->rest.ldegree(s);
                        if (pow < min_pow)
@@ -718,7 +719,7 @@ ex pseries::add_series(const pseries &other) const
        epvector::const_iterator b = other.seq.begin();
        epvector::const_iterator a_end = seq.end();
        epvector::const_iterator b_end = other.seq.end();
-       int pow_a = INT_MAX, pow_b = INT_MAX;
+       int pow_a = std::numeric_limits<int>::max(), pow_b = std::numeric_limits<int>::max();
        for (;;) {
                // If a is empty, fill up with elements from b and stop
                if (a == a_end) {
@@ -851,8 +852,8 @@ ex pseries::mul_series(const pseries &other) const
        int cdeg_min = a_min + b_min;
        int cdeg_max = a_max + b_max;
        
-       int higher_order_a = INT_MAX;
-       int higher_order_b = INT_MAX;
+       int higher_order_a = std::numeric_limits<int>::max();
+       int higher_order_b = std::numeric_limits<int>::max();
        if (is_order_function(coeff(var, a_max)))
                higher_order_a = a_max + b_min;
        if (is_order_function(other.coeff(var, b_max)))
@@ -873,7 +874,7 @@ ex pseries::mul_series(const pseries &other) const
                if (!co.is_zero())
                        new_seq.push_back(expair(co, numeric(cdeg)));
        }
-       if (higher_order_c < INT_MAX)
+       if (higher_order_c < std::numeric_limits<int>::max())
                new_seq.push_back(expair(Order(_ex1), numeric(higher_order_c)));
        return pseries(relational(var, point), new_seq);
 }