nextpnr/common/placer_math.h
David Shah d5cfd38179 HeAP: Successful solver convergance
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00

45 lines
1.5 KiB
C

/*
* nextpnr -- Next Generation Place and Route
*
* Copyright (C) 2019 David Shah <david@symbioticeda.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef PLACER_MATH_H
#define PLACER_MATH_H
// This shim is needed because Tauc is mutually incompatible with modern C++ (implementing macros and functions
// that collide with max, min, etc)
#ifdef __cplusplus
extern "C" {
#endif
extern void taucif_init_solver();
struct taucif_system;
extern struct taucif_system *taucif_create_system(int rows, int cols, int n_nonzero);
extern void taucif_add_matrix_value(struct taucif_system *sys, int row, int col, double value);
extern void taucif_finalise_matrix(struct taucif_system *sys);
extern int taucif_solve_system(struct taucif_system *sys, double *x, double *rhs);
extern void taucif_free_system(struct taucif_system *sys);
#ifdef __cplusplus
}
#endif
#endif