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Merge pull request uber#102 from isaacbrodsky/h3-to-ij
Add h3ToIj
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Copyright 2018 Uber Technologies, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| /** @file | ||
| * @brief tests IJ grid functions and IJK distance functions. | ||
| * | ||
| * usage: `testCoordIj` | ||
| */ | ||
|
|
||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <string.h> | ||
| #include "algos.h" | ||
| #include "baseCells.h" | ||
| #include "constants.h" | ||
| #include "h3Index.h" | ||
| #include "h3api.h" | ||
| #include "localij.h" | ||
| #include "stackAlloc.h" | ||
| #include "test.h" | ||
| #include "utility.h" | ||
|
|
||
| SUITE(coordIj) { | ||
| TEST(ijkToIj_zero) { | ||
| CoordIJK ijk = {0}; | ||
| CoordIJ ij = {0}; | ||
|
|
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| ijkToIj(&ijk, &ij); | ||
| t_assert(ij.i == 0, "ij.i zero"); | ||
| t_assert(ij.j == 0, "ij.j zero"); | ||
|
|
||
| ijToIjk(&ij, &ijk); | ||
| t_assert(ijk.i == 0, "ijk.i zero"); | ||
| t_assert(ijk.j == 0, "ijk.j zero"); | ||
| t_assert(ijk.k == 0, "ijk.k zero"); | ||
| } | ||
|
|
||
| TEST(ijkToIj_roundtrip) { | ||
| for (Direction dir = CENTER_DIGIT; dir < NUM_DIGITS; dir++) { | ||
| CoordIJK ijk = {0}; | ||
| _neighbor(&ijk, dir); | ||
|
|
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| CoordIJ ij = {0}; | ||
| ijkToIj(&ijk, &ij); | ||
|
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| CoordIJK recovered = {0}; | ||
| ijToIjk(&ij, &recovered); | ||
|
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| t_assert(_ijkMatches(&ijk, &recovered), | ||
| "got same ijk coordinates back"); | ||
| } | ||
| } | ||
| } |
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