Use C++11 'nullptr' where applicable.

[ginac.git] / ginac / function.cppy

diff --git a/ginac/function.cppy b/ginac/function.cppy
index d9a59dc781cc81de8fa6d75fb4ba8d9227c4381d..d020d65fe54fbadfa4f4d62b6f83bd20d418bd5a 100644 (file)
--- a/ginac/function.cppy
+++ b/ginac/function.cppy
@@ -79,7 +79,7 @@ void function_options::initialize()
        nparams = 0;
        eval_f = evalf_f = real_part_f = imag_part_f = conjugate_f = expand_f
                = derivative_f = expl_derivative_f = power_f = series_f = nullptr;
-       info_f = 0;
+       info_f = nullptr;
        evalf_params_first = true;
        use_return_type = false;
        eval_use_exvector_args = false;
@@ -430,7 +430,7 @@ ex function::evalf() const
                }
        }
 
-       if (opt.evalf_f==0) {
+       if (opt.evalf_f==nullptr) {
                return function(serial,eseq).hold();
        }
        current_serial = serial;
@@ -489,7 +489,7 @@ ex function::series(const relational & r, int order, unsigned options) const
        GINAC_ASSERT(serial<registered_functions().size());
        const function_options &opt = registered_functions()[serial];
 
-       if (opt.series_f==0) {
+       if (opt.series_f==nullptr) {
                return basic::series(r, order);
        }
        ex res;
@@ -524,7 +524,7 @@ ex function::conjugate() const
        GINAC_ASSERT(serial<registered_functions().size());
        const function_options & opt = registered_functions()[serial];
 
-       if (opt.conjugate_f==0) {
+       if (opt.conjugate_f==nullptr) {
                return conjugate_function(*this).hold();
        }
 
@@ -549,7 +549,7 @@ ex function::real_part() const
        GINAC_ASSERT(serial<registered_functions().size());
        const function_options & opt = registered_functions()[serial];
 
-       if (opt.real_part_f==0)
+       if (opt.real_part_f==nullptr)
                return basic::real_part();
 
        if (opt.real_part_use_exvector_args)
@@ -572,7 +572,7 @@ ex function::imag_part() const
        GINAC_ASSERT(serial<registered_functions().size());
        const function_options & opt = registered_functions()[serial];
 
-       if (opt.imag_part_f==0)
+       if (opt.imag_part_f==nullptr)
                return basic::imag_part();
 
        if (opt.imag_part_use_exvector_args)
@@ -595,7 +595,7 @@ bool function::info(unsigned inf) const
        GINAC_ASSERT(serial<registered_functions().size());
        const function_options & opt = registered_functions()[serial];
 
-       if (opt.info_f==0) {
+       if (opt.info_f==nullptr) {
                return basic::info(inf);
        }