BLI_expr_pylike_eval.h

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/* SPDX-FileCopyrightText: 2018 Blender Authors, Alexander Gavrilov. All rights reserved.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct ExprPyLike_Parsed ExprPyLike_Parsed;
 
typedef enum eExprPyLike_EvalStatus {
  EXPR_PYLIKE_SUCCESS = 0,
  /* Computation errors; result is still set, but may be NaN */
  EXPR_PYLIKE_DIV_BY_ZERO,
  EXPR_PYLIKE_MATH_ERROR,
  /* Expression dependent errors or bugs; result is 0 */
  EXPR_PYLIKE_INVALID,
  EXPR_PYLIKE_FATAL_ERROR,
} eExprPyLike_EvalStatus;
 
void BLI_expr_pylike_free(struct ExprPyLike_Parsed *expr);
bool BLI_expr_pylike_is_valid(const struct ExprPyLike_Parsed *expr);
bool BLI_expr_pylike_is_constant(const struct ExprPyLike_Parsed *expr);
bool BLI_expr_pylike_is_using_param(const struct ExprPyLike_Parsed *expr, int index);
ExprPyLike_Parsed *BLI_expr_pylike_parse(const char *expression,
                                         const char **param_names,
                                         int param_names_len);
eExprPyLike_EvalStatus BLI_expr_pylike_eval(struct ExprPyLike_Parsed *expr,
                                            const double *param_values,
                                            int param_values_len,
                                            double *r_result);
 
#ifdef __cplusplus
}
#endif