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This commit is contained in:
RogueMaster
2022-09-21 14:28:03 -04:00
parent 3f3258d9f3
commit 32e18d5500
37 changed files with 2764 additions and 2572 deletions
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52
applications/plugins/calculator/tinyexpr.h
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@@ -26,59 +26,69 @@
#ifndef TINYEXPR_H
#define TINYEXPR_H
#ifdef __cplusplus
extern "C" {
#endif
typedef struct te_expr {
int type;
union {double value; const double *bound; const void *function;};
void *parameters[1];
union {
double value;
const double* bound;
const void* function;
};
void* parameters[1];
} te_expr;
enum {
TE_VARIABLE = 0,
TE_FUNCTION0 = 8, TE_FUNCTION1, TE_FUNCTION2, TE_FUNCTION3,
TE_FUNCTION4, TE_FUNCTION5, TE_FUNCTION6, TE_FUNCTION7,
TE_FUNCTION0 = 8,
TE_FUNCTION1,
TE_FUNCTION2,
TE_FUNCTION3,
TE_FUNCTION4,
TE_FUNCTION5,
TE_FUNCTION6,
TE_FUNCTION7,
TE_CLOSURE0 = 16, TE_CLOSURE1, TE_CLOSURE2, TE_CLOSURE3,
TE_CLOSURE4, TE_CLOSURE5, TE_CLOSURE6, TE_CLOSURE7,
TE_CLOSURE0 = 16,
TE_CLOSURE1,
TE_CLOSURE2,
TE_CLOSURE3,
TE_CLOSURE4,
TE_CLOSURE5,
TE_CLOSURE6,
TE_CLOSURE7,
TE_FLAG_PURE = 32
};
typedef struct te_variable {
const char *name;
const void *address;
const char* name;
const void* address;
int type;
void *context;
void* context;
} te_variable;
/* Parses the input expression, evaluates it, and frees it. */
/* Returns NaN on error. */
double te_interp(const char *expression, int *error);
double te_interp(const char* expression, int* error);
/* Parses the input expression and binds variables. */
/* Returns NULL on error. */
te_expr *te_compile(const char *expression, const te_variable *variables, int var_count, int *error);
te_expr*
te_compile(const char* expression, const te_variable* variables, int var_count, int* error);
/* Evaluates the expression. */
double te_eval(const te_expr *n);
double te_eval(const te_expr* n);
/* Prints debugging information on the syntax tree. */
void te_print(const te_expr *n);
void te_print(const te_expr* n);
/* Frees the expression. */
/* This is safe to call on NULL pointers. */
void te_free(te_expr *n);
void te_free(te_expr* n);
#ifdef __cplusplus
}