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https://github.com/TREX-CoE/Sherman-Morrison.git
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48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
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// This file provide a simple API to generate random cycles
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// The goal of this api is to provide a way for other programs to generate random cycles at runtime
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// instead of requiring a pre-generated dataset
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// Don't use "pragma once" to ensure compatibility with any compiler
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#ifndef C_API_HEADER_GUARD
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#define C_API_HEADER_GUARD
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// This file is included from both C++ and C, so ensure everything here has C linkage
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// if need be
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#ifdef __cplusplus
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#include <cstdint>
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extern "C" {
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#else
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#include <stdint.h>
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#endif
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typedef struct {
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// Total number of updates in the cycle
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uint32_t n_update;
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// Dim is the number of rows
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uint32_t dim;
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// lds is the number of columns
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uint32_t lds;
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double *slater_inverse_t;
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double *slater_matrix;
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// Matrix containing all the updates !The updates are ADDITIVE!
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double *updates;
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// Determinant of the slater matrix
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double determinant;
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// Indices of the updates
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uint32_t *col_update_index;
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} Cycle;
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Cycle *generateRandomCycle(uint32_t dim, uint32_t lds, uint32_t n_update, uint32_t n_splits,
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double determinant_threshold, double splitting_update_noise_magnitude);
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void freeCycle(Cycle **cycle);
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// To match the previous opening bracket
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#ifdef __cplusplus
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}
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#endif
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#endif
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