All C API enums are now given explicit values

Author: robertmaynard

cpp/include/cuvs/c/cluster/kmeans.h

@@ -34,17 +34,17 @@ typedef enum {
   /**
    * Sample the centroids using the kmeans++ strategy
    */
-  KMeansPlusPlus,
+  KMeansPlusPlus = 0,
 
   /**
    * Sample the centroids uniformly at random
    */
-  Random,
+  Random = 1,
 
   /**
    * User provides the array of initial centroids
    */
-  Array
+  Array = 2
 } cuvsKMeansInitMethod;
 
 /**

cpp/include/cuvs/c/core/c_api.h

@@ -33,7 +33,7 @@ extern "C" {
  * @brief An enum denoting error statuses for function calls
  *
  */
-typedef enum { CUVS_ERROR, CUVS_SUCCESS } cuvsError_t;
+typedef enum { CUVS_ERROR = 0, CUVS_SUCCESS = 1 } cuvsError_t;
 
 /** @brief Returns a string describing the last seen error on this thread, or
  *         NULL if the last function succeeded.

cpp/include/cuvs/c/neighbors/cagra.h

@@ -39,13 +39,13 @@ extern "C" {
  */
 enum cuvsCagraGraphBuildAlgo {
   /* Select build algorithm automatically */
-  AUTO_SELECT,
+  AUTO_SELECT = 0,
   /* Use IVF-PQ to build all-neighbors knn graph */
-  IVF_PQ,
+  IVF_PQ = 1,
   /* Experimental, use NN-Descent to build all-neighbors knn graph */
-  NN_DESCENT,
+  NN_DESCENT = 200,
   /* Experimental, use iterative cagra search and optimize to build the knn graph */
-  ITERATIVE_CAGRA_SEARCH
+  ITERATIVE_CAGRA_SEARCH = 300
 };
 
 /** Parameters for VPQ compression. */
@@ -210,18 +210,18 @@ cuvsError_t cuvsCagraExtendParamsDestroy(cuvsCagraExtendParams_t params);
  */
 enum cuvsCagraSearchAlgo {
   /** For large batch sizes. */
-  SINGLE_CTA,
+  SINGLE_CTA = 0,
   /** For small batch sizes. */
-  MULTI_CTA,
-  MULTI_KERNEL,
-  AUTO
+  MULTI_CTA    = 1,
+  MULTI_KERNEL = 2,
+  AUTO         = 100
 };
 
 /**
  * @brief Enum to denote Hash Mode used while searching CAGRA index
  *
  */
-enum cuvsCagraHashMode { HASH, SMALL, AUTO_HASH };
+enum cuvsCagraHashMode { HASH = 0, SMALL = 0, AUTO_HASH = 100 };
 
 /**
  * @brief Supplemental parameters to search CAGRA index

cpp/include/cuvs/c/neighbors/common.h

@@ -34,11 +34,11 @@ extern "C" {
  */
 enum cuvsFilterType {
   /* No filter */
-  NO_FILTER,
+  NO_FILTER = 0,
   /* Filter an index with a bitset */
-  BITSET,
+  BITSET = 1,
   /* Filter an index with a bitmap */
-  BITMAP
+  BITMAP = 2
 };
 
 /**

cpp/include/cuvs/c/neighbors/hnsw.h

@@ -40,11 +40,11 @@ extern "C" {
  */
 enum cuvsHnswHierarchy {
   /* Flat hierarchy, search is base-layer only */
-  NONE,
+  NONE = 0,
   /* Full hierarchy is built using the CPU */
-  CPU,
+  CPU = 1,
   /* Full hierarchy is built using the GPU */
-  GPU
+  GPU = 2
 };
 
 struct cuvsHnswIndexParams {

cpp/include/cuvs/c/neighbors/mg_common.h

@@ -33,29 +33,29 @@ extern "C" {
  */
 typedef enum {
   /** Index is replicated on each device, favors throughput */
-  CUVS_NEIGHBORS_MG_REPLICATED,
+  CUVS_NEIGHBORS_MG_REPLICATED = 0,
   /** Index is split on several devices, favors scaling */
-  CUVS_NEIGHBORS_MG_SHARDED
+  CUVS_NEIGHBORS_MG_SHARDED = 1
 } cuvsMultiGpuDistributionMode;
 
 /**
  * @brief Search mode when using a replicated index
  */
 typedef enum {
   /** Search queries are split to maintain equal load on GPUs */
-  CUVS_NEIGHBORS_MG_LOAD_BALANCER,
+  CUVS_NEIGHBORS_MG_LOAD_BALANCER = 0,
   /** Each search query is processed by a single GPU in a round-robin fashion */
-  CUVS_NEIGHBORS_MG_ROUND_ROBIN
+  CUVS_NEIGHBORS_MG_ROUND_ROBIN = 1
 } cuvsMultiGpuReplicatedSearchMode;
 
 /**
  * @brief Merge mode when using a sharded index
  */
 typedef enum {
   /** Search batches are merged on the root rank */
-  CUVS_NEIGHBORS_MG_MERGE_ON_ROOT_RANK,
+  CUVS_NEIGHBORS_MG_MERGE_ON_ROOT_RANK = 0,
   /** Search batches are merged in a tree reduction fashion */
-  CUVS_NEIGHBORS_MG_TREE_MERGE
+  CUVS_NEIGHBORS_MG_TREE_MERGE = 1
 } cuvsMultiGpuShardedMergeMode;
 
 /**

cpp/include/cuvs/c/neighbors/tiered_index.h

@@ -33,9 +33,9 @@ extern "C" {
  * @brief Enum to hold which ANN algorithm is being used in the tiered index
  */
 typedef enum {
-  CUVS_TIERED_INDEX_ALGO_CAGRA,
-  CUVS_TIERED_INDEX_ALGO_IVF_FLAT,
-  CUVS_TIERED_INDEX_ALGO_IVF_PQ
+  CUVS_TIERED_INDEX_ALGO_CAGRA    = 0,
+  CUVS_TIERED_INDEX_ALGO_IVF_FLAT = 1,
+  CUVS_TIERED_INDEX_ALGO_IVF_PQ   = 2
 } cuvsTieredIndexANNAlgo;
 
 /**

cpp/include/cuvs/neighbors/cagra.hpp

@@ -129,11 +129,11 @@ struct index_params : cuvs::neighbors::index_params {
 
 enum class search_algo {
   /** For large batch sizes. */
-  SINGLE_CTA,
+  SINGLE_CTA = 0,
   /** For small batch sizes. */
-  MULTI_CTA,
-  MULTI_KERNEL,
-  AUTO
+  MULTI_CTA    = 1,
+  MULTI_KERNEL = 2,
+  AUTO         = 100
 };
 
 enum class hash_mode { HASH, SMALL, AUTO };