github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/pkg/geo/geographiclib/geographiclib.h (about)

     1  // Copyright 2020 The Cockroach Authors.
     2  //
     3  // Use of this software is governed by the Business Source License
     4  // included in the file licenses/BSL.txt.
     5  //
     6  // As of the Change Date specified in that file, in accordance with
     7  // the Business Source License, use of this software will be governed
     8  // by the Apache License, Version 2.0, included in the file
     9  // licenses/APL.txt.
    10  
    11  #include "geodesic.h"
    12  
    13  #if defined(__cplusplus)
    14  extern "C" {
    15  #endif
    16  
    17  // CR_GEOGRAPHICLIB_InverseBatch computes the sum of the length of the lines
    18  // represented by an array of lat/lngs using Inverse from GeographicLib.
    19  // It is batched in C++ to reduce the cgo overheads.
    20  void CR_GEOGRAPHICLIB_InverseBatch(
    21    struct geod_geodesic* spheroid,
    22    double lats[],
    23    double lngs[],
    24    int len,
    25    double *result
    26  );
    27  
    28  #if defined(__cplusplus)
    29  }
    30  #endif