Merge branch 'feature/modernisation_merge_accessor_classes' of github.com:ecmwf/eccodes into feature/modernisation_merge_accessor_classes

VERSION

@@ -1 +1 @@
-2.38.0
+2.39.0

definitions/grib2/localConcepts/ecmf/unstructuredGridType.def

@@ -8,3 +8,4 @@
 'eORCA12'   = { numberOfGridUsed = 7; }
 'CORE2'     = { numberOfGridUsed = 8; }
 'NG5'       = { numberOfGridUsed = 9; }
+'DART'      = { numberOfGridUsed = 10; }

definitions/grib2/name.legacy.def

@@ -186,3 +186,69 @@
  parameterCategory = 0 ;
  parameterNumber = 2 ;
 }
+#Maximum temperature
+'Maximum temperature' = {
+ discipline = 0 ;
+ parameterCategory = 0 ;
+ parameterNumber = 4 ;
+}
+#Minimum temperature
+'Minimum temperature' = {
+ discipline = 0 ;
+ parameterCategory = 0 ;
+ parameterNumber = 5 ;
+}
+#Minimum dew point depression
+'Minimum dew point depression' = {
+ discipline = 0 ;
+ parameterCategory = 0 ;
+ parameterNumber = 14 ;
+}
+#Maximum relative humidity
+'Maximum relative humidity' = {
+ discipline = 0 ;
+ parameterCategory = 1 ;
+ parameterNumber = 27 ;
+}
+#Maximum absolute humidity
+'Maximum absolute humidity' = {
+ discipline = 0 ;
+ parameterCategory = 1 ;
+ parameterNumber = 28 ;
+}
+#Maximum wind speed
+'Maximum wind speed' = {
+ discipline = 0 ;
+ parameterCategory = 2 ;
+ parameterNumber = 21 ;
+}
+#Net long wave radiation flux (surface)
+'Net long wave radiation flux (surface)' = {
+ discipline = 0 ;
+ parameterCategory = 5 ;
+ parameterNumber = 0 ;
+}
+#Net long wave radiation flux (top of atmosphere)
+'Net long wave radiation flux (top of atmosphere)' = {
+ discipline = 0 ;
+ parameterCategory = 5 ;
+ parameterNumber = 1 ;
+}
+#Maximum snow albedo
+'Maximum snow albedo' = {
+ discipline = 0 ;
+ parameterCategory = 19 ;
+ parameterNumber = 17 ;
+}
+#Soil temperature
+'Soil temperature' = {
+ discipline = 2 ;
+ parameterCategory = 0 ;
+ parameterNumber = 2 ;
+}
+#Soil moisture
+'Soil moisture' = {
+ discipline = 2 ;
+ parameterCategory = 0 ;
+ parameterNumber = 22 ;
+}

definitions/grib2/paramId.legacy.def

@@ -186,3 +186,69 @@
  parameterCategory = 0 ;
  parameterNumber = 2 ;
 }
+#Maximum temperature
+'3015' = {
+ discipline = 0 ;
+ parameterCategory = 0 ;
+ parameterNumber = 4 ;
+}
+#Minimum temperature
+'3016' = {
+ discipline = 0 ;
+ parameterCategory = 0 ;
+ parameterNumber = 5 ;
+}
+#Minimum dew point depression
+'260006' = {
+ discipline = 0 ;
+ parameterCategory = 0 ;
+ parameterNumber = 14 ;
+}
+#Maximum relative humidity
+'260023' = {
+ discipline = 0 ;
+ parameterCategory = 1 ;
+ parameterNumber = 27 ;
+}
+#Maximum absolute humidity
+'260024' = {
+ discipline = 0 ;
+ parameterCategory = 1 ;
+ parameterNumber = 28 ;
+}
+#Maximum wind speed
+'260064' = {
+ discipline = 0 ;
+ parameterCategory = 2 ;
+ parameterNumber = 21 ;
+}
+#Net long wave radiation flux (surface)
+'260095' = {
+ discipline = 0 ;
+ parameterCategory = 5 ;
+ parameterNumber = 0 ;
+}
+#Net long wave radiation flux (top of atmosphere)
+'260096' = {
+ discipline = 0 ;
+ parameterCategory = 5 ;
+ parameterNumber = 1 ;
+}
+#Maximum snow albedo
+'260161' = {
+ discipline = 0 ;
+ parameterCategory = 19 ;
+ parameterNumber = 17 ;
+}
+#Soil temperature
+'228139' = {
+ discipline = 2 ;
+ parameterCategory = 0 ;
+ parameterNumber = 2 ;
+}
+#Soil moisture
+'228039' = {
+ discipline = 2 ;
+ parameterCategory = 0 ;
+ parameterNumber = 22 ;
+}

definitions/grib2/shortName.legacy.def

@@ -186,3 +186,69 @@
  parameterCategory = 0 ;
  parameterNumber = 2 ;
 }
+#Maximum temperature
+'tmax' = {
+ discipline = 0 ;
+ parameterCategory = 0 ;
+ parameterNumber = 4 ;
+}
+#Minimum temperature
+'tmin' = {
+ discipline = 0 ;
+ parameterCategory = 0 ;
+ parameterNumber = 5 ;
+}
+#Minimum dew point depression
+'mindpd' = {
+ discipline = 0 ;
+ parameterCategory = 0 ;
+ parameterNumber = 14 ;
+}
+#Maximum relative humidity
+'maxrh' = {
+ discipline = 0 ;
+ parameterCategory = 1 ;
+ parameterNumber = 27 ;
+}
+#Maximum absolute humidity
+'maxah' = {
+ discipline = 0 ;
+ parameterCategory = 1 ;
+ parameterNumber = 28 ;
+}
+#Maximum wind speed
+'maxgust' = {
+ discipline = 0 ;
+ parameterCategory = 2 ;
+ parameterNumber = 21 ;
+}
+#Net long wave radiation flux (surface)
+'nlwrs' = {
+ discipline = 0 ;
+ parameterCategory = 5 ;
+ parameterNumber = 0 ;
+}
+#Net long wave radiation flux (top of atmosphere)
+'nlwrt' = {
+ discipline = 0 ;
+ parameterCategory = 5 ;
+ parameterNumber = 1 ;
+}
+#Maximum snow albedo
+'mxsalb' = {
+ discipline = 0 ;
+ parameterCategory = 19 ;
+ parameterNumber = 17 ;
+}
+#Soil temperature
+'st' = {
+ discipline = 2 ;
+ parameterCategory = 0 ;
+ parameterNumber = 2 ;
+}
+#Soil moisture
+'sm' = {
+ discipline = 2 ;
+ parameterCategory = 0 ;
+ parameterNumber = 22 ;
+}

definitions/grib2/units.legacy.def

@@ -186,3 +186,69 @@
  parameterCategory = 0 ;
  parameterNumber = 2 ;
 }
+#Maximum temperature
+'K' = {
+ discipline = 0 ;
+ parameterCategory = 0 ;
+ parameterNumber = 4 ;
+}
+#Minimum temperature
+'K' = {
+ discipline = 0 ;
+ parameterCategory = 0 ;
+ parameterNumber = 5 ;
+}
+#Minimum dew point depression
+'K' = {
+ discipline = 0 ;
+ parameterCategory = 0 ;
+ parameterNumber = 14 ;
+}
+#Maximum relative humidity
+'%' = {
+ discipline = 0 ;
+ parameterCategory = 1 ;
+ parameterNumber = 27 ;
+}
+#Maximum absolute humidity
+'kg m**-3' = {
+ discipline = 0 ;
+ parameterCategory = 1 ;
+ parameterNumber = 28 ;
+}
+#Maximum wind speed
+'m s**-1' = {
+ discipline = 0 ;
+ parameterCategory = 2 ;
+ parameterNumber = 21 ;
+}
+#Net long wave radiation flux (surface)
+'W m**-2' = {
+ discipline = 0 ;
+ parameterCategory = 5 ;
+ parameterNumber = 0 ;
+}
+#Net long wave radiation flux (top of atmosphere)
+'W m**-2' = {
+ discipline = 0 ;
+ parameterCategory = 5 ;
+ parameterNumber = 1 ;
+}
+#Maximum snow albedo
+'%' = {
+ discipline = 0 ;
+ parameterCategory = 19 ;
+ parameterNumber = 17 ;
+}
+#Soil temperature
+'K' = {
+ discipline = 2 ;
+ parameterCategory = 0 ;
+ parameterNumber = 2 ;
+}
+#Soil moisture
+'kg m**-3' = {
+ discipline = 2 ;
+ parameterCategory = 0 ;
+ parameterNumber = 22 ;
+}

examples/F90/CMakeLists.txt

@@ -55,6 +55,7 @@ if( HAVE_BUILD_TOOLS )
           grib_get_set_uuid
           grib_clone
           grib_ecc-1316
+          grib_infinity_grid_second_order
           bufr_attributes
           bufr_clone
           bufr_expanded

examples/F90/grib_infinity_grid_second_order.f90

@@ -0,0 +1,41 @@
+! (C) Copyright 2005- ECMWF.
+!
+! This software is licensed under the terms of the Apache Licence Version 2.0
+! which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
+!
+! In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
+! virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+!
+!  Description: issue with grid_second_order hanging when encoding fields with infinite values
+!
+!
+USE eccodes
+USE ieee_arithmetic
+
+IMPLICIT NONE
+
+INTEGER :: IGRIBH
+REAL(KIND=8) :: ZT (421*441)
+
+CHARACTER*32 :: CLPACKING  ! grid_simple / grid_second_order
+CHARACTER*32 :: CLINFINITY ! 0 / 1
+
+CALL GETARG (1, CLPACKING)
+CALL GETARG (2, CLINFINITY)
+
+CALL codes_grib_new_from_samples(IGRIBH, "regular_ll_sfc_grib2")
+CALL codes_set_long             (IGRIBH,  "Ni",           421_8)
+CALL codes_set_long             (IGRIBH,  "Nj",           441_8)
+CALL codes_set_long             (IGRIBH,  "bitsPerValue", 16_8)
+CALL codes_set_string           (IGRIBH,  "packingType",  TRIM (CLPACKING))
+
+ZT = 0._8
+
+IF (CLINFINITY == '1') THEN
+  ZT (1) = IEEE_VALUE (0._8, IEEE_POSITIVE_INF)
+ENDIF
+
+! This should fail if CLINFINITY is 1 (inf passed in)
+CALL codes_set_real8_array (IGRIBH,  "values", ZT)
+
+END

examples/F90/grib_infinity_grid_second_order.sh

@@ -0,0 +1,37 @@
+#!/bin/sh
+# (C) Copyright 2005- ECMWF.
+#
+# This software is licensed under the terms of the Apache Licence Version 2.0
+# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
+#
+# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
+# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+#
+
+# -----------------------------------------------------------------
+# This is the test for the JIRA issue ECC-1927
+# grid_second_order hangs when encoding fields with infinite values
+# -----------------------------------------------------------------
+
+. ./include.ctest.sh
+
+for encoding in grid_simple grid_second_order; do
+  for infinity in 0 1; do
+
+    if [ $infinity -eq 1 ]; then
+      set +e
+    fi
+
+    ${examples_dir}/eccodes_f_grib_infinity_grid_second_order $encoding $infinity
+    c=$?
+
+    if [ $infinity -eq 1 ]; then
+      set -e
+      if [ $c -eq 0 ]; then
+        echo "Encoding infinite numbers should have failed"
+        exit 1
+      fi
+    fi
+
+  done
+done

src/accessor/grib_accessor_class_data_ccsds_packing.cc

@@ -85,6 +85,7 @@ static void print_aec_stream_info(struct aec_stream* strm, const char* func)
     fprintf(stderr, "ECCODES DEBUG CCSDS %s aec_stream.avail_in=%lu\n", func, strm->avail_in);
 }
 
+#define MAX_BITS_PER_VALUE 32
 int grib_accessor_data_ccsds_packing_t::pack_double(const double* val, size_t* len)
 {
     grib_handle* hand       = grib_handle_of_accessor(this);
@@ -253,6 +254,7 @@ int grib_accessor_data_ccsds_packing_t::pack_double(const double* val, size_t* l
     }
 
     binary_scale_factor = grib_get_binary_scale_fact(max, reference_value, bits_per_value, &err);
+    if (err) return err;
     divisor = codes_power<double>(-binary_scale_factor, 2);
 
     size_t nbytes = (bits_per_value + 7) / 8;
@@ -302,8 +304,8 @@ int grib_accessor_data_ccsds_packing_t::pack_double(const double* val, size_t* l
             }
             break;
         default:
-            grib_context_log(context_, GRIB_LOG_ERROR, "%s pack_double: packing %s, bits_per_value=%ld (max 32)",
-                             cclass_name, name_, bits_per_value);
+            grib_context_log(context_, GRIB_LOG_ERROR, "%s pack_double: packing %s, bitsPerValue=%ld (max %ld)",
+                             cclass_name, name_, bits_per_value, MAX_BITS_PER_VALUE);
             err = GRIB_INVALID_BPV;
             goto cleanup;
     }
@@ -500,8 +502,8 @@ int grib_accessor_data_ccsds_packing_t::unpack(T* val, size_t* len)
             }
             break;
         default:
-            grib_context_log(context_, GRIB_LOG_ERROR, "%s %s: unpacking %s, bits_per_value=%ld (max 32)",
-                             cclass_name, __func__, name_, bits_per_value);
+            grib_context_log(context_, GRIB_LOG_ERROR, "%s %s: unpacking %s, bitsPerValue=%ld (max %ld)",
+                             cclass_name, __func__, name_, bits_per_value, MAX_BITS_PER_VALUE);
             err = GRIB_INVALID_BPV;
             goto cleanup;
     }

src/accessor/grib_accessor_class_data_complex_packing.cc

@@ -412,7 +412,6 @@ int grib_accessor_data_complex_packing_t::pack_double(const double* val, size_t*
             return GRIB_INTERNAL_ERROR;
         }
         binary_scale_factor = grib_get_binary_scale_fact(d * max, reference_value, bits_per_value, &ret);
-
         if (ret == GRIB_UNDERFLOW) {
             d                   = 0;
             binary_scale_factor = 0;

src/accessor/grib_accessor_class_data_g1second_order_general_extended_packing.cc

@@ -596,6 +596,9 @@ int grib_accessor_data_g1second_order_general_extended_packing_t::pack_double(co
         else if (val[i] < min)
             min = val[i];
     }
+    if ((ret = grib_check_data_values_minmax(handle, min, max)) != GRIB_SUCCESS) {
+        return ret;
+    }
 
     /* ECC-1219: packingType conversion from grid_ieee to grid_second_order */
     if ((ret = get_bits_per_value(handle, bits_per_value_, &bits_per_value)) != GRIB_SUCCESS)
@@ -641,6 +644,7 @@ int grib_accessor_data_g1second_order_general_extended_packing_t::pack_double(co
             return GRIB_INTERNAL_ERROR;
         }
         binary_scale_factor = grib_get_binary_scale_fact(max, reference_value, bits_per_value, &ret);
+        if (ret != GRIB_SUCCESS) return ret;
 
         divisor = codes_power<double>(-binary_scale_factor, 2);
     }

src/accessor/grib_accessor_class_data_g22order_packing.cc

@@ -1461,7 +1461,7 @@ int grib_accessor_data_g22order_packing_t::pack_double(const double* val, size_t
 }
 
 template <typename T>
-int grib_accessor_data_g22order_packing_t::unpack(T* val, const size_t* len)
+int grib_accessor_data_g22order_packing_t::unpack(T* val, size_t* len)
 {
     static_assert(std::is_floating_point<T>::value, "Requires floating points numbers");
     const char* cclass_name = class_name_;
@@ -1562,6 +1562,14 @@ int grib_accessor_data_g22order_packing_t::unpack(T* val, const size_t* len)
 
     dirty_ = 0;
 
+    if (bits_per_value == 0) {
+        for (i = 0; i < n_vals; i++) {
+            val[i] = reference_value;
+        }
+        *len = n_vals;
+        return GRIB_SUCCESS;
+    }
+
     sec_val = (long*)grib_context_malloc(context_, (n_vals) * sizeof(long));
     if (!sec_val) return GRIB_OUT_OF_MEMORY;
     memset(sec_val, 0, (n_vals) * sizeof(long));  // See SUP-718

src/accessor/grib_accessor_class_data_g22order_packing.h

@@ -49,5 +49,5 @@ private:
     const char* orderOfSpatialDifferencing_;
     const char* numberOfOctetsExtraDescriptors_;
 
-    template <typename T> int unpack(T* val, const size_t* len);
+    template <typename T> int unpack(T* val, size_t* len);
 };

src/accessor/grib_accessor_class_data_png_packing.cc

@@ -397,6 +397,7 @@ int grib_accessor_data_png_packing_t::pack_double(const double* val, size_t* len
     }
 
     binary_scale_factor = grib_get_binary_scale_fact(max, reference_value, bits_per_value, &err);
+    if (err) return err;
     divisor             = codes_power<double>(-binary_scale_factor, 2);
 
     #ifndef PNG_ANYBITS

src/action_class_concept.cc

@@ -218,10 +218,9 @@ static grib_concept_value* get_concept_impl(grib_handle* h, grib_action_concept*
     char master[1024] = {0,};
     char local[1024] = {0,};
     char masterDir[1024] = {0,};
-    size_t lenMasterDir = 1024;
+    size_t lenMasterDir = sizeof(masterDir);
     char key[4096]      = {0,};
     char* full = 0;
-    int id;
     const size_t bufLen = sizeof(buf);
     const size_t keyLen = sizeof(key);
 
@@ -234,7 +233,15 @@ static grib_concept_value* get_concept_impl(grib_handle* h, grib_action_concept*
     Assert(self->masterDir);
     grib_get_string(h, self->masterDir, masterDir, &lenMasterDir);
 
-    snprintf(buf, bufLen, "%s/%s", masterDir, self->basename);
+    // See ECC-1920: The basename could be a key or a string
+    char* basename = self->basename; // default is a string
+    Assert(basename);
+    char baseNameValue[1024] = {0,}; // its value if a key
+    size_t lenBaseName = sizeof(baseNameValue);
+    if (grib_get_string(h, self->basename, baseNameValue, &lenBaseName) == GRIB_SUCCESS) {
+        basename = baseNameValue; // self->basename was a key whose value is baseNameValue
+    }
+    snprintf(buf, bufLen, "%s/%s", masterDir, basename);
 
     grib_recompose_name(h, NULL, buf, master, 1);
 
@@ -242,13 +249,13 @@ static grib_concept_value* get_concept_impl(grib_handle* h, grib_action_concept*
         char localDir[1024] = {0,};
         size_t lenLocalDir = 1024;
         grib_get_string(h, self->localDir, localDir, &lenLocalDir);
-        snprintf(buf, bufLen, "%s/%s", localDir, self->basename);
+        snprintf(buf, bufLen, "%s/%s", localDir, basename);
         grib_recompose_name(h, NULL, buf, local, 1);
     }
 
     snprintf(key, keyLen, "%s%s", master, local);
 
-    id = grib_itrie_get_id(h->context->concepts_index, key);
+    int id = grib_itrie_get_id(h->context->concepts_index, key);
     if ((c = h->context->concepts[id]) != NULL)
         return c;
 
@@ -274,7 +281,7 @@ static grib_concept_value* get_concept_impl(grib_handle* h, grib_action_concept*
     else {
         grib_context_log(context, GRIB_LOG_FATAL,
                          "unable to find definition file %s in %s:%s\nDefinition files path=\"%s\"",
-                         self->basename, master, local, context->grib_definition_files_path);
+                         basename, master, local, context->grib_definition_files_path);
         return NULL;
     }
 

src/grib_iterator_class_healpix.cc

@@ -211,7 +211,7 @@ static std::vector<double> HEALPix_longitudes(size_t N, size_t i)
     return longitudes;
 }
 
-static int iterate_healpix(grib_iterator_healpix* self, long N)
+static int iterate_healpix(grib_iterator_healpix* self, long N, bool nested)
 {
     size_t Ny = 4 * static_cast<size_t>(N) - 1;
     auto Nd   = static_cast<double>(N);
@@ -241,7 +241,7 @@ static int iterate_healpix(grib_iterator_healpix* self, long N)
     // Equator
     latitudes[2 * N - 1] = 0.0;
 
-    if (self->nested) {
+    if (nested) {
         if (!is_power_of_2(N)) {
             grib_context* c = grib_context_get_default();
             grib_context_log(c, GRIB_LOG_ERROR, "%s: For nested ordering, Nside must be a power of 2", ITER);
@@ -389,7 +389,7 @@ static int init(grib_iterator* iter, grib_handle* h, grib_arguments* args)
     }
 
     try {
-        err = iterate_healpix(self, N);
+        err = iterate_healpix(self, N, self->nested);
     }
     catch (...) {
         return GRIB_INTERNAL_ERROR;

src/grib_scaling.cc

@@ -10,6 +10,7 @@
 
 #include "grib_scaling.h"
 #include "grib_api_internal.h"
+#include <math.h>
 
 // Unfortunately, metkit uses grib_power() (illegal usage of private API)
 // As soon as it is fixed, the wrapper below can be deleted
@@ -26,6 +27,12 @@ long grib_get_binary_scale_fact(double max, double min, long bpval, int* error)
     unsigned long maxint = 0;
     const size_t ulong_size = sizeof(maxint) * 8;
 
+    // See ECC-1927
+    if ((isnan(range) || isinf(range))) {
+        *error = GRIB_OUT_OF_RANGE; /*overflow*/
+        return 0;
+    }
+
     /* See ECC-246
       unsigned long maxint = codes_power<double>(bpval,2) - 1;
       double dmaxint=(double)maxint;

src/grib_util.cc

@@ -875,6 +875,20 @@ static int write_out_error_data_file(const double* data_values, size_t data_valu
     return GRIB_SUCCESS;
 }
 
+static long get_bitsPerValue_for_packingType(const int specPackingType, const long specBitsPerValue)
+{
+    if (specPackingType == GRIB_UTIL_PACKING_TYPE_GRID_SIMPLE) {
+        if (specBitsPerValue > 60) return 60;
+    }
+    else if (specPackingType == GRIB_UTIL_PACKING_TYPE_GRID_SECOND_ORDER) {
+        if (specBitsPerValue > 60) return 32;
+    }
+    else if (specPackingType == GRIB_UTIL_PACKING_TYPE_CCSDS) {
+        if (specBitsPerValue > 32) return 32;
+    }
+    return specBitsPerValue; //original
+}
+
 static int get_grib_sample_name(grib_handle* h, long editionNumber,
                                 const grib_util_grid_spec* spec, const char* grid_type, char* sample_name)
 {
@@ -1341,17 +1355,26 @@ grib_handle* grib_util_set_spec(grib_handle* h,
                 Assert(grib_get_long(h, "bitsPerValue", &bitsPerValue) == 0);
                 SET_LONG_VALUE("bitsPerValue", bitsPerValue);
             }
-        } break;
+        }
+        break;
 
-        case GRIB_UTIL_ACCURACY_USE_PROVIDED_BITS_PER_VALUES:
-            SET_LONG_VALUE("bitsPerValue", packing_spec->bitsPerValue);
+        case GRIB_UTIL_ACCURACY_USE_PROVIDED_BITS_PER_VALUES: {
+            // See ECC-1921
+            const long bitsPerValue = get_bitsPerValue_for_packingType(packing_spec->packing_type, packing_spec->bitsPerValue);
+            if (bitsPerValue != packing_spec->bitsPerValue) {
+                fprintf(stderr, "ECCODES WARNING :  Cannot pack with requested bitsPerValue (%ld). Using %ld\n",
+                        packing_spec->bitsPerValue, bitsPerValue);
+            }
+            SET_LONG_VALUE("bitsPerValue", bitsPerValue);
+        }
         break;
 
         case GRIB_UTIL_ACCURACY_SAME_DECIMAL_SCALE_FACTOR_AS_INPUT: {
             long decimalScaleFactor = 0;
             Assert(grib_get_long(h, "decimalScaleFactor", &decimalScaleFactor) == 0);
             SET_LONG_VALUE("decimalScaleFactor", decimalScaleFactor);
-        } break;
+        }
+        break;
 
         case GRIB_UTIL_ACCURACY_USE_PROVIDED_DECIMAL_SCALE_FACTOR:
             SET_LONG_VALUE("decimalScaleFactor", packing_spec->decimalScaleFactor);

src/griby.y

@@ -704,12 +704,16 @@ trigger_block: TRIGGER '(' argument_list ')' '{' instructions '}' { $$ = grib_ac
 concept_block: CONCEPT IDENT '{' concept_list '}' flags { $$ = grib_action_create_concept(grib_parser_context,$2,$4,0,0,0,0,0,0,$6,0);  free($2); }
    | CONCEPT IDENT '(' IDENT ')' '{' concept_list '}' flags { $$ = grib_action_create_concept(grib_parser_context,$2,$7,0,0,$4,0,0,0,$9,0);  free($2);free($4); }
    | CONCEPT IDENT '(' IDENT ',' STRING ',' IDENT ',' IDENT ')' flags { $$ = grib_action_create_concept(grib_parser_context,$2,0,$6,0,$4,$8,$10,0,$12,0); free($2);free($6);free($4);free($8);free($10); }
+   | CONCEPT IDENT '(' IDENT ',' IDENT  ',' IDENT ',' IDENT ')' flags { $$ = grib_action_create_concept(grib_parser_context,$2,0,$6,0,$4,$8,$10,0,$12,0); free($2);free($6);free($4);free($8);free($10); }
    | CONCEPT IDENT '(' IDENT ',' STRING ',' IDENT ',' IDENT ',' IDENT ')' flags { $$ = grib_action_create_concept(grib_parser_context,$2,0,$6,0,$4,$8,$10,$12,$14,0);  free($2);free($6);free($4);free($8);free($10);free($12); }
    | CONCEPT IDENT '(' IDENT ',' STRING ',' IDENT ')' flags { $$ = grib_action_create_concept(grib_parser_context,$2,0,$6,0,$4,$8,0,0,$10,0);  free($2);free($6);free($4);free($8); }
+
    | CONCEPT IDENT '.' IDENT '(' IDENT ',' STRING ',' IDENT ',' IDENT ')' flags { $$ = grib_action_create_concept(grib_parser_context,$4,0,$8,$2,$6,$10,$12,0,$14,0);  free($4);free($8);free($6);free($10); free($12); free($2);}
+   | CONCEPT IDENT '.' IDENT '(' IDENT ',' IDENT  ',' IDENT ',' IDENT ')' flags { $$ = grib_action_create_concept(grib_parser_context,$4,0,$8,$2,$6,$10,$12,0,$14,0);  free($4);free($8);free($6);free($10); free($12); free($2);}
    | CONCEPT IDENT '.' IDENT '(' IDENT ',' STRING ',' IDENT ')' flags { $$ = grib_action_create_concept(grib_parser_context,$4,0,$8,$2,$6,$10,0,0,$12,0);  free($4);free($8);free($6);free($10); free($2);}
    | CONCEPT IDENT '.' IDENT '{' concept_list '}' flags { $$ = grib_action_create_concept(grib_parser_context,$4,$6,0,$2,0,0,0,0,$8,0);  free($2);free($4); }
    | CONCEPT IDENT '.' IDENT '(' IDENT ')' '{' concept_list '}' flags { $$ = grib_action_create_concept(grib_parser_context,$4,$9,0,$2,$6,0,0,0,$11,0);  free($2);free($4);free($6); }
+
    | CONCEPT_NOFAIL IDENT '{' concept_list '}' flags { $$ = grib_action_create_concept(grib_parser_context,$2,$4,0,0,0,0,0,0,$6,1);  free($2); }
    | CONCEPT_NOFAIL IDENT '(' IDENT ')' '{' concept_list '}' flags { $$ = grib_action_create_concept(grib_parser_context,$2,$7,0,0,$4,0,0,0,$9,1);  free($2);free($4); }
    | CONCEPT_NOFAIL IDENT '(' IDENT ',' STRING ',' IDENT ',' IDENT ')' flags { $$ = grib_action_create_concept(grib_parser_context,$2,0,$6,0,$4,$8,$10,0,$12,1);  free($2);free($6);free($4);free($8);free($10); }

tests/CMakeLists.txt

@@ -144,7 +144,6 @@ if( HAVE_BUILD_TOOLS )
         grib_ecc-1708
         grib_ecc-1691
         grib_ecc-1766
-        grib_ecc-1806
         grib_ecc-1829
         bufr_ecc-1028
         bufr_ecc-1195
@@ -276,6 +275,7 @@ if( HAVE_BUILD_TOOLS )
         grib_ecc-1467
         grib_ecc-1764
         grib_ecc-1792
+        grib_ecc-1806
         grib_ecc-1907
         grib_modelName
         grib_sub_hourly

tests/grib_statistics.sh

@@ -75,6 +75,33 @@ input=${data_dir}/gfs.complex.mvmu.grib2
 stats=`${tools_dir}/grib_get -F%.2f -p max,min,avg $input`
 [ "$stats" = "2.81 0.00 0.30" ]
 
+# ECC-1926
+# grid_complex_spatial_differencing with bpv=0
+# Create a data section similar to the attached file dswrf-1.grib2
+cat >$tempFilt<<EOF
+    set packingType='grid_complex_spatial_differencing';
+    set numberOfGroupsOfDataValues=0;
+    set orderOfSpatialDifferencing=2;
+    set primaryMissingValueSubstitute=0;
+    set referenceForGroupWidths = 64;
+    set numberOfBitsUsedForTheGroupWidths = 4;
+    set referenceForGroupLengths = 203736800;
+    set trueLengthOfLastGroup = 8;
+    set numberOfBitsForScaledGroupLengths = 7;
+    set numberOfOctetsExtraDescriptors = 1;
+    write;
+EOF
+input=$ECCODES_SAMPLES_PATH/GRIB2.tmpl
+${tools_dir}/grib_filter -o $temp1 $tempFilt $input
+grib_check_key_equals $temp1 packingType,isConstant 'grid_complex_spatial_differencing 1'
+stats1=`${tools_dir}/grib_get -M -F%.0f -n statistics $input`
+stats2=`${tools_dir}/grib_get -M -F%.0f -n statistics $temp1`
+[ "$stats1" = "$stats2" ]
+${tools_dir}/grib_set -rs packingType=grid_simple $temp1 $temp2
+grib_check_key_equals $temp2 packingType,isConstant 'grid_simple 1'
+${tools_dir}/grib_compare -b totalLength,section5Length,dataRepresentationTemplateNumber $temp2 $temp1
+
+
 # Decode as string - Null op
 cat >$tempFilt<<EOF
     print "[computeStatistics:s]";

tools/CMakeLists.txt

@@ -27,7 +27,7 @@ ecbuild_add_library( TARGET    ecc_tools
 
 # tools binaries
 list( APPEND ecc_tools_binaries
-             codes_info codes_count codes_split_file
+             codes_info codes_count codes_split_file codes_export_resource
              grib_histogram grib_filter grib_ls grib_dump
              grib2ppm grib_set grib_get grib_get_data grib_copy
              grib_compare codes_parser grib_index_build bufr_index_build
@@ -39,7 +39,6 @@ list( APPEND ecc_tools_binaries
 list( APPEND ecc_tools_binaries_extra
              grib_repair
              grib_to_json
-             codes_export_resource
              grib_check_gaussian_grid
              bufr_split_by_rdbSubtype )