1 // Copyright 2017 The Bazel Authors. All rights reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef MATRIX_SRC_MATRIX_H_ 16 #define MATRIX_SRC_MATRIX_H_ 17 18 #include <stdint.h> 19 #include <stdlib.h> 20 21 typedef struct { 22 size_t rows; 23 size_t cols; 24 uint64_t* data; 25 } Matrix; 26 27 // Constructs a new Matrix from the given data. 28 // Matrix returned contains a copy of the data provided. 29 Matrix* matrix_new(size_t rows, size_t cols, const uint64_t* data); 30 31 // Fetches the value at the specified row and column. 32 // Returns 1 if successful, 0 otherwise. 33 int matrix_at(const Matrix* matrix, size_t row, size_t col, uint64_t* n); 34 35 // Sets the value at the specified row and column. 36 // Returns 1 if successful, 0 otherwise. 37 int matrix_set(const Matrix* matrix, size_t row, size_t col, uint64_t n); 38 39 // Performs an in-place transposition of the matrix. 40 void matrix_transpose(Matrix* matrix); 41 42 // Returns 1 if the two matrices are equal, 0 otherwise; 43 int matrix_equal(const Matrix* a, const Matrix* b); 44 45 // Frees the matrix. 46 void matrix_free(Matrix* matrix); 47 48 #endif // MATRIX_SRC_MATRIX_H_ 49