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#pragma once
#include <gio/gio.h>
#include <gmp.h>
G_BEGIN_DECLS
typedef enum
{
FOOBAR_MATH_VALUE_INT,
FOOBAR_MATH_VALUE_FLOAT,
} FoobarMathValueType;
typedef struct _FoobarMathValue FoobarMathValue;
struct _FoobarMathValue
{
FoobarMathValueType type;
union
{
struct
{
mpz_t v;
gsize decimal_places;
} int_value;
struct
{
long double v;
} float_value;
};
};
typedef enum
{
FOOBAR_MATH_TOKEN_IDENTIFIER,
FOOBAR_MATH_TOKEN_NUMBER,
FOOBAR_MATH_TOKEN_PAREN_OPEN,
FOOBAR_MATH_TOKEN_PAREN_CLOSE,
FOOBAR_MATH_TOKEN_PLUS,
FOOBAR_MATH_TOKEN_MINUS,
FOOBAR_MATH_TOKEN_MUL,
FOOBAR_MATH_TOKEN_DIV,
FOOBAR_MATH_TOKEN_POW,
} FoobarMathTokenType;
typedef struct _FoobarMathToken FoobarMathToken;
struct _FoobarMathToken
{
FoobarMathTokenType type;
gchar const* data;
gsize length;
};
typedef enum
{
FOOBAR_MATH_EXPRESSION_VALUE,
FOOBAR_MATH_EXPRESSION_FUNCTION,
FOOBAR_MATH_EXPRESSION_CONSTANT,
FOOBAR_MATH_EXPRESSION_OPERATION,
} FoobarMathExpressionType;
typedef enum
{
FOOBAR_MATH_FUNCTION_NEGATE,
FOOBAR_MATH_FUNCTION_SIN,
FOOBAR_MATH_FUNCTION_COS,
FOOBAR_MATH_FUNCTION_SEC,
FOOBAR_MATH_FUNCTION_CSC,
FOOBAR_MATH_FUNCTION_TAN,
FOOBAR_MATH_FUNCTION_COT,
FOOBAR_MATH_FUNCTION_ARCSIN,
FOOBAR_MATH_FUNCTION_ARCCOS,
FOOBAR_MATH_FUNCTION_ARCSEC,
FOOBAR_MATH_FUNCTION_ARCCSC,
FOOBAR_MATH_FUNCTION_ARCTAN,
FOOBAR_MATH_FUNCTION_ARCCOT,
FOOBAR_MATH_FUNCTION_EXP,
FOOBAR_MATH_FUNCTION_SQRT,
} FoobarMathFunction;
typedef enum
{
FOOBAR_MATH_CONSTANT_PI,
FOOBAR_MATH_CONSTANT_E,
} FoobarMathConstant;
typedef enum
{
FOOBAR_MATH_OPERATION_ADD,
FOOBAR_MATH_OPERATION_SUB,
FOOBAR_MATH_OPERATION_MUL,
FOOBAR_MATH_OPERATION_DIV,
FOOBAR_MATH_OPERATION_POW,
} FoobarMathOperation;
typedef struct _FoobarMathExpression FoobarMathExpression;
FoobarMathToken* foobar_math_lex ( gchar const* input,
gsize input_length,
gsize* out_count );
FoobarMathExpression* foobar_math_parse ( FoobarMathToken const* tokens,
gsize tokens_count );
FoobarMathExpression* foobar_math_expression_value ( FoobarMathValue value );
FoobarMathExpression* foobar_math_expression_function ( FoobarMathFunction function,
FoobarMathExpression* input );
FoobarMathExpression* foobar_math_expression_constant ( FoobarMathConstant constant );
FoobarMathExpression* foobar_math_expression_operation( FoobarMathOperation operation,
FoobarMathExpression* lhs,
FoobarMathExpression* rhs );
void foobar_math_expression_print ( FoobarMathExpression const* expr,
gint indentation );
void foobar_math_expression_free ( FoobarMathExpression* expression );
gboolean foobar_math_value_from_string ( gchar const* input,
gsize input_length,
FoobarMathValue* out_value );
void foobar_math_value_free ( FoobarMathValue value );
gchar* foobar_math_value_format ( FoobarMathValue value );
gboolean foobar_math_evaluate ( FoobarMathExpression const* expression,
FoobarMathValue* out_value );
G_END_DECLS
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