Added string_contains()

src/Detrend.cc

@@ -27,7 +27,7 @@
 #include "arithmetic.h"
 
 static void
-detrendGetParameter(bool &tstepIsEqual)
+get_parameter(bool &tstepIsEqual)
 {
   auto pargc = cdo_operator_argc();
   if (pargc)
@@ -88,7 +88,7 @@ public:
   void
   init() override
   {
-    detrendGetParameter(tstepIsEqual);
+    get_parameter(tstepIsEqual);
 
     streamID1 = cdo_open_read(0);
 

src/Fldstat.cc

@@ -155,7 +155,7 @@ printWeightsWarning(int ngrids, const std::string &varname)
 }
 
 static void
-fldstatGetParameter(bool &useWeights)
+get_parameter(bool &useWeights)
 {
   auto pargc = cdo_operator_argc();
   if (pargc)
@@ -280,10 +280,11 @@ public:
 
     if (operfunc == FieldFunc_Pctl)
       {
+        operator_check_argc(1);
         operator_input_arg("percentile number");
         pn = parameter_to_double(cdo_operator_argv(0));
       }
-    else if (needWeights) { fldstatGetParameter(useWeights); }
+    else if (needWeights) { get_parameter(useWeights); }
     else { operator_check_argc(0); }
 
     streamID1 = cdo_open_read(0);

src/Trend.cc

@@ -28,7 +28,7 @@
 #include "arithmetic.h"
 
 static void
-trendGetParameter(bool &tstepIsEqual)
+get_parameter(bool &tstepIsEqual)
 {
   auto pargc = cdo_operator_argc();
   if (pargc)
@@ -90,7 +90,7 @@ public:
   void
   init() override
   {
-    trendGetParameter(tstepIsEqual);
+    get_parameter(tstepIsEqual);
 
     streamID1 = cdo_open_read(0);
 

src/Trendarith.cc

@@ -68,7 +68,7 @@ sub_trend(double zj, Field &field1, const Field &field2, const Field &field3)
 }
 
 static void
-trendarithGetParameter(bool &tstepIsEqual)
+get_parameter(bool &tstepIsEqual)
 {
   auto pargc = cdo_operator_argc();
   if (pargc)
@@ -135,7 +135,7 @@ public:
     operfunc = cdo_operator_f1(operatorID);
 
     tstepIsEqual = true;
-    trendarithGetParameter(tstepIsEqual);
+    get_parameter(tstepIsEqual);
 
     streamID1 = cdo_open_read(0);
     streamID2 = cdo_open_read(1);

src/util_string.h

@@ -55,6 +55,12 @@ string_format(const std::string &format, Args... args)
   return std::string(buf.get(), static_cast<char *>(buf.get()) + size - 1);  // We don't want the '\0' inside
 }
 
+inline bool
+string_contains(const std::string &s, unsigned char ch)
+{
+  return (s.find(ch) != std::string::npos);
+}
+
 namespace Util
 {
 namespace String