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test_cwrapper.c
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test_cwrapper.c
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#include <symengine/cwrapper.h>
#if defined(HAVE_C_FUNCTION_NOT_FUNC)
#define __func__ __FUNCTION__
#endif
#include <string.h>
#include <math.h>
#ifdef HAVE_SYMENGINE_MPFR
#include <mpfr.h>
#endif // HAVE_SYMENGINE_MPFR
void test_version()
{
SYMENGINE_C_ASSERT(strcmp(SYMENGINE_VERSION, symengine_version()) == 0);
}
void test_cwrapper()
{
char *s;
basic x, y, z;
basic f;
basic_new_stack(x);
basic_new_stack(y);
basic_new_stack(z);
symbol_set(x, "x");
symbol_set(y, "y");
symbol_set(z, "z");
SYMENGINE_C_ASSERT(is_a_Number(x) == 0);
SYMENGINE_C_ASSERT(is_a_Number(y) == 0);
SYMENGINE_C_ASSERT(is_a_Number(z) == 0);
s = basic_str(x);
SYMENGINE_C_ASSERT(strcmp(s, "x") == 0);
basic_str_free(s);
basic_new_stack(f);
CVecBasic *vec = vecbasic_new();
vecbasic_push_back(vec, x);
vecbasic_push_back(vec, y);
vecbasic_push_back(vec, z);
function_symbol_set(f, "f", vec);
s = basic_str(f);
SYMENGINE_C_ASSERT(strcmp(s, "f(x, y, z)") == 0);
vecbasic_free(vec);
basic_str_free(s);
basic e;
basic_new_stack(e);
integer_set_ui(e, 123);
s = basic_str(e);
SYMENGINE_C_ASSERT(strcmp(s, "123") == 0);
basic_str_free(s);
integer_set_ui(e, 456);
SYMENGINE_C_ASSERT(basic_has_symbol(e, x) == 0);
SYMENGINE_C_ASSERT(basic_has_symbol(e, y) == 0);
SYMENGINE_C_ASSERT(basic_has_symbol(e, z) == 0);
basic_add(e, e, x);
SYMENGINE_C_ASSERT(basic_has_symbol(e, x) == 1);
SYMENGINE_C_ASSERT(basic_has_symbol(e, y) == 0);
SYMENGINE_C_ASSERT(basic_has_symbol(e, z) == 0);
basic_mul(e, e, y);
SYMENGINE_C_ASSERT(basic_has_symbol(e, x) == 1);
SYMENGINE_C_ASSERT(basic_has_symbol(e, y) == 1);
SYMENGINE_C_ASSERT(basic_has_symbol(e, z) == 0);
basic_div(e, e, z);
SYMENGINE_C_ASSERT(basic_has_symbol(e, x) == 1);
SYMENGINE_C_ASSERT(basic_has_symbol(e, y) == 1);
SYMENGINE_C_ASSERT(basic_has_symbol(e, z) == 1);
s = basic_str(e);
SYMENGINE_C_ASSERT(strcmp(s, "y*(456 + x)/z") == 0);
basic_str_free(s);
basic numer, denom;
basic_new_stack(numer);
basic_new_stack(denom);
basic_as_numer_denom(numer, denom, e);
basic_mul(e, e, z);
SYMENGINE_C_ASSERT(basic_eq(numer, e) == 1);
SYMENGINE_C_ASSERT(basic_eq(denom, z) == 1);
basic_div(e, e, z);
basic_diff(e, e, z);
s = basic_str(e);
SYMENGINE_C_ASSERT(strcmp(s, "-y*(456 + x)/z**2") == 0);
basic_str_free(s);
s = basic_str_julia(e);
SYMENGINE_C_ASSERT(strcmp(s, "-y*(456 + x)/z^2") == 0);
basic_str_free(s);
rational_set_ui(e, 100, 47);
s = basic_str(e);
SYMENGINE_C_ASSERT(strcmp(s, "100/47") == 0);
SYMENGINE_C_ASSERT(!is_a_Symbol(e));
SYMENGINE_C_ASSERT(is_a_Rational(e));
SYMENGINE_C_ASSERT(!is_a_Integer(e));
basic_str_free(s);
integer_set_ui(e, 123);
basic_sqrt(e, e);
basic_exp(e, e);
s = basic_str(e);
SYMENGINE_C_ASSERT(strcmp(s, "exp(sqrt(123))") == 0);
basic_str_free(s);
s = basic_str_julia(e);
SYMENGINE_C_ASSERT(strcmp(s, "exp(sqrt(123))") == 0);
basic_str_free(s);
unsigned long size = 0;
basic deserialized;
char *serialized = basic_dumps(e, &size);
basic_new_stack(deserialized);
basic_loads(deserialized, serialized, size);
SYMENGINE_C_ASSERT(basic_eq(deserialized, e) == 1);
basic_str_free(serialized);
basic_free_stack(deserialized);
rational_set_si(e, 100, 47);
s = basic_str(e);
SYMENGINE_C_ASSERT(strcmp(s, "100/47") == 0);
SYMENGINE_C_ASSERT(!is_a_Symbol(e));
SYMENGINE_C_ASSERT(is_a_Rational(e));
SYMENGINE_C_ASSERT(!is_a_Integer(e));
#if SYMENGINE_INTEGER_CLASS != SYMENGINE_BOOSTMP
mpq_t testr;
mpq_init(testr);
#endif
basic a, b;
basic_new_stack(a);
basic_new_stack(b);
integer_set_ui(a, 2);
integer_set_ui(b, 4);
rational_set(e, a, b);
#if SYMENGINE_INTEGER_CLASS != SYMENGINE_BOOSTMP
rational_get_mpq(testr, e);
SYMENGINE_C_ASSERT(mpq_cmp_ui(testr, 1, 2) == 0);
#endif
integer_set_si(e, 0);
SYMENGINE_C_ASSERT(integer_get_si(e) == 0);
SYMENGINE_C_ASSERT(number_is_zero(e) == 1);
SYMENGINE_C_ASSERT(number_is_negative(e) == 0);
SYMENGINE_C_ASSERT(number_is_positive(e) == 0);
SYMENGINE_C_ASSERT(number_is_complex(e) == 0);
integer_set_ui(e, 123);
SYMENGINE_C_ASSERT(integer_get_ui(e) == 123);
SYMENGINE_C_ASSERT(number_is_zero(e) == 0);
SYMENGINE_C_ASSERT(number_is_negative(e) == 0);
SYMENGINE_C_ASSERT(number_is_positive(e) == 1);
SYMENGINE_C_ASSERT(number_is_complex(e) == 0);
integer_set_si(e, -123);
SYMENGINE_C_ASSERT(integer_get_si(e) == -123);
SYMENGINE_C_ASSERT(is_a_Number(e) == 1);
SYMENGINE_C_ASSERT(number_is_zero(e) == 0);
SYMENGINE_C_ASSERT(number_is_negative(e) == 1);
SYMENGINE_C_ASSERT(number_is_positive(e) == 0);
SYMENGINE_C_ASSERT(number_is_complex(e) == 0);
#if SYMENGINE_INTEGER_CLASS != SYMENGINE_BOOSTMP
mpz_t test;
mpz_init(test);
integer_get_mpz(test, e);
SYMENGINE_C_ASSERT(mpz_get_ui(test) == 123);
#endif
char *str = "123 + 321";
basic p;
basic_new_stack(p);
basic_parse(p, str);
SYMENGINE_C_ASSERT(is_a_Integer(p));
SYMENGINE_C_ASSERT(integer_get_si(p) == 444);
basic_parse2(p, str, 1);
SYMENGINE_C_ASSERT(is_a_Integer(p));
SYMENGINE_C_ASSERT(integer_get_si(p) == 444);
#if SYMENGINE_INTEGER_CLASS != SYMENGINE_BOOSTMP
mpq_clear(testr);
mpz_clear(test);
#endif
basic_free_stack(f);
basic_free_stack(e);
basic_free_stack(x);
basic_free_stack(y);
basic_free_stack(z);
basic_free_stack(p);
basic_free_stack(a);
basic_free_stack(b);
basic_free_stack(numer);
basic_free_stack(denom);
basic_str_free(s);
}
void test_basic()
{
basic x;
basic_new_stack(x);
symbol_set(x, "x");
basic_struct *y = basic_new_heap();
symbol_set(y, "x");
SYMENGINE_C_ASSERT(basic_eq(x, y))
basic_free_heap(y);
basic_free_stack(x);
}
void test_complex()
{
basic e;
basic f;
char *s;
basic_new_stack(e);
basic_new_stack(f);
rational_set_ui(e, 100, 47);
rational_set_ui(f, 76, 59);
complex_set(e, e, f);
s = basic_str(e);
SYMENGINE_C_ASSERT(strcmp(s, "100/47 + 76/59*I") == 0);
SYMENGINE_C_ASSERT(!is_a_Symbol(e));
SYMENGINE_C_ASSERT(!is_a_Rational(e));
SYMENGINE_C_ASSERT(!is_a_Integer(e));
SYMENGINE_C_ASSERT(is_a_Complex(e));
SYMENGINE_C_ASSERT(number_is_zero(e) == 0);
SYMENGINE_C_ASSERT(number_is_negative(e) == 0);
SYMENGINE_C_ASSERT(number_is_positive(e) == 0);
SYMENGINE_C_ASSERT(number_is_complex(e) == 1);
basic_str_free(s);
complex_base_real_part(f, e);
s = basic_str(f);
SYMENGINE_C_ASSERT(strcmp(s, "100/47") == 0);
SYMENGINE_C_ASSERT(!is_a_Symbol(f));
SYMENGINE_C_ASSERT(is_a_Rational(f));
SYMENGINE_C_ASSERT(!is_a_Integer(f));
SYMENGINE_C_ASSERT(!is_a_Complex(f));
basic_str_free(s);
complex_base_imaginary_part(f, e);
s = basic_str(f);
SYMENGINE_C_ASSERT(strcmp(s, "76/59") == 0);
SYMENGINE_C_ASSERT(!is_a_Symbol(f));
SYMENGINE_C_ASSERT(is_a_Rational(f));
SYMENGINE_C_ASSERT(!is_a_Integer(f));
SYMENGINE_C_ASSERT(!is_a_Complex(f));
basic_str_free(s);
basic_free_stack(e);
basic_free_stack(f);
}
void test_complex_double()
{
basic e;
basic f;
char *s;
basic_new_stack(e);
basic_new_stack(f);
dcomplex k;
basic_const_I(e);
real_double_set_d(f, 76.59);
basic_mul(f, f, e);
real_double_set_d(e, 100.47);
basic_add(e, e, f);
s = basic_str(e);
SYMENGINE_C_ASSERT(strcmp(s, "100.47 + 76.59*I") == 0);
SYMENGINE_C_ASSERT(!is_a_Symbol(e));
SYMENGINE_C_ASSERT(!is_a_Rational(e));
SYMENGINE_C_ASSERT(!is_a_Integer(e));
SYMENGINE_C_ASSERT(!is_a_Complex(e));
SYMENGINE_C_ASSERT(is_a_ComplexDouble(e));
SYMENGINE_C_ASSERT(number_is_zero(e) == 0);
SYMENGINE_C_ASSERT(number_is_negative(e) == 0);
SYMENGINE_C_ASSERT(number_is_positive(e) == 0);
SYMENGINE_C_ASSERT(number_is_complex(e) == 1);
basic_str_free(s);
k = complex_double_get(e);
SYMENGINE_C_ASSERT(k.real == 100.47);
SYMENGINE_C_ASSERT(k.imag == 76.59);
complex_base_real_part(f, e);
s = basic_str(f);
SYMENGINE_C_ASSERT(strcmp(s, "100.47") == 0);
SYMENGINE_C_ASSERT(!is_a_Symbol(f));
SYMENGINE_C_ASSERT(!is_a_Rational(f));
SYMENGINE_C_ASSERT(!is_a_Integer(f));
SYMENGINE_C_ASSERT(!is_a_Complex(f));
SYMENGINE_C_ASSERT(is_a_RealDouble(f));
basic_str_free(s);
complex_base_imaginary_part(f, e);
s = basic_str(f);
SYMENGINE_C_ASSERT(strcmp(s, "76.59") == 0);
SYMENGINE_C_ASSERT(!is_a_Symbol(f));
SYMENGINE_C_ASSERT(!is_a_Rational(f));
SYMENGINE_C_ASSERT(!is_a_Integer(f));
SYMENGINE_C_ASSERT(!is_a_Complex(f));
SYMENGINE_C_ASSERT(is_a_RealDouble(f));
basic_str_free(s);
basic_free_stack(e);
basic_free_stack(f);
}
void test_real_double()
{
basic d;
basic_new_stack(d);
real_double_set_d(d, 123.456);
SYMENGINE_C_ASSERT(real_double_get_d(d) == 123.456);
char *s2;
s2 = basic_str(d);
SYMENGINE_C_ASSERT(is_a_RealDouble(d));
SYMENGINE_C_ASSERT(strcmp(s2, "123.456") == 0);
SYMENGINE_C_ASSERT(number_is_zero(d) == 0);
SYMENGINE_C_ASSERT(number_is_negative(d) == 0);
SYMENGINE_C_ASSERT(number_is_positive(d) == 1);
SYMENGINE_C_ASSERT(number_is_complex(d) == 0);
basic_str_free(s2);
basic_free_stack(d);
}
#ifdef HAVE_SYMENGINE_MPFR
void test_real_mpfr()
{
basic d, e;
basic_new_stack(e);
basic_new_stack(d);
real_mpfr_set_d(d, 123.456, 200);
SYMENGINE_C_ASSERT(basic_get_type(d) == SYMENGINE_REAL_MPFR);
SYMENGINE_C_ASSERT(real_mpfr_get_d(d) == 123.456);
real_mpfr_set_str(e, "456.123", 200);
SYMENGINE_C_ASSERT(basic_get_type(e) == SYMENGINE_REAL_MPFR);
SYMENGINE_C_ASSERT(real_mpfr_get_d(e) == 456.123);
SYMENGINE_C_ASSERT(real_mpfr_get_prec(e) == 200);
mpfr_t mp;
mpfr_init2(mp, 200);
real_mpfr_get(mp, e);
real_mpfr_set(d, mp);
SYMENGINE_C_ASSERT(basic_get_type(d) == SYMENGINE_REAL_MPFR);
SYMENGINE_C_ASSERT(real_mpfr_get_d(d) == 456.123);
real_mpfr_set_d(d, 0, 200);
SYMENGINE_C_ASSERT(number_is_zero(d) == 1);
SYMENGINE_C_ASSERT(number_is_negative(d) == 0);
SYMENGINE_C_ASSERT(number_is_positive(d) == 0);
SYMENGINE_C_ASSERT(number_is_complex(d) == 0);
real_mpfr_set_d(d, 0.000001, 200);
SYMENGINE_C_ASSERT(number_is_zero(d) == 0);
SYMENGINE_C_ASSERT(number_is_negative(d) == 0);
SYMENGINE_C_ASSERT(number_is_positive(d) == 1);
SYMENGINE_C_ASSERT(number_is_complex(d) == 0);
real_mpfr_set_d(d, -0.000001, 200);
SYMENGINE_C_ASSERT(number_is_zero(d) == 0);
SYMENGINE_C_ASSERT(number_is_negative(d) == 1);
SYMENGINE_C_ASSERT(number_is_positive(d) == 0);
SYMENGINE_C_ASSERT(number_is_complex(d) == 0);
mpfr_clear(mp);
basic_free_stack(d);
basic_free_stack(e);
}
#endif // HAVE_SYMENGINE_MPFR
#ifdef HAVE_SYMENGINE_MPC
void test_complex_mpc()
{
basic d, d1, d2;
basic_new_stack(d);
basic_new_stack(d1);
basic_new_stack(d2);
basic_const_I(d2);
real_mpfr_set_d(d, 0.000001, 200);
real_mpfr_set_d(d1, 0.000001, 200);
basic_mul(d2, d1, d2);
basic_add(d2, d, d2);
SYMENGINE_C_ASSERT(basic_get_type(d2) == SYMENGINE_COMPLEX_MPC);
SYMENGINE_C_ASSERT(number_is_zero(d2) == 0);
SYMENGINE_C_ASSERT(number_is_negative(d2) == 0);
SYMENGINE_C_ASSERT(number_is_positive(d2) == 0);
SYMENGINE_C_ASSERT(number_is_complex(d2) == 1);
basic r1;
basic_new_stack(r1);
complex_base_real_part(r1, d2);
SYMENGINE_C_ASSERT(basic_eq(r1, d));
complex_base_imaginary_part(r1, d2);
SYMENGINE_C_ASSERT(basic_eq(r1, d1));
basic_free_stack(d);
basic_free_stack(d1);
basic_free_stack(d2);
basic_free_stack(r1);
}
#endif // HAVE_SYMENGINE_MPC
void test_CVectorInt1()
{
// Allocate on heap
CVectorInt *vec = vectorint_new();
vectorint_push_back(vec, 5);
;
SYMENGINE_C_ASSERT(vectorint_get(vec, 0) == 5);
vectorint_free(vec);
}
struct X {
void *x;
};
void test_CVectorInt2()
{
// Allocate on stack
CVectorInt *vec;
char data1[1]; // Not aligned properly
SYMENGINE_C_ASSERT(vectorint_placement_new_check(data1, sizeof(data1))
== 1);
struct X data2[1]; // Aligned properly but small
SYMENGINE_C_ASSERT(vectorint_placement_new_check(data2, sizeof(data2))
== 1);
struct X
data3[50]; // Aligned properly and enough size to fit std::vector<int>
SYMENGINE_C_ASSERT(vectorint_placement_new_check(data3, 1) == 1);
SYMENGINE_C_ASSERT(vectorint_placement_new_check(data3, 2) == 1);
SYMENGINE_C_ASSERT(vectorint_placement_new_check(data3, sizeof(data3))
== 0);
vec = vectorint_placement_new(data3);
vectorint_push_back(vec, 5);
SYMENGINE_C_ASSERT(vectorint_get(vec, 0) == 5);
vectorint_placement_free(vec);
}
void test_CVecBasic()
{
CVecBasic *vec = vecbasic_new();
SYMENGINE_C_ASSERT(vecbasic_size(vec) == 0);
basic x;
basic_new_stack(x);
symbol_set(x, "x");
vecbasic_push_back(vec, x);
SYMENGINE_C_ASSERT(vecbasic_size(vec) == 1);
basic y;
basic_new_stack(y);
vecbasic_get(vec, 0, y);
SYMENGINE_C_ASSERT(basic_eq(x, y));
vecbasic_push_back(vec, x);
SYMENGINE_C_ASSERT(vecbasic_size(vec) == 2);
vecbasic_erase(vec, 0);
SYMENGINE_C_ASSERT(vecbasic_size(vec) == 1);
basic z;
basic_new_stack(z);
symbol_set(z, "z");
vecbasic_set(vec, 0, z);
vecbasic_get(vec, 0, y);
SYMENGINE_C_ASSERT(basic_eq(y, z));
vecbasic_free(vec);
basic_free_stack(x);
basic_free_stack(y);
basic_free_stack(z);
}
void test_CSetBasic()
{
CSetBasic *set = setbasic_new();
SYMENGINE_C_ASSERT(setbasic_size(set) == 0);
basic x;
basic_new_stack(x);
symbol_set(x, "x");
int has_insert;
has_insert = setbasic_insert(set, x);
SYMENGINE_C_ASSERT(has_insert == 1);
SYMENGINE_C_ASSERT(setbasic_size(set) == 1);
has_insert = setbasic_insert(set, x);
SYMENGINE_C_ASSERT(has_insert == 0);
basic y;
basic_new_stack(y);
symbol_set(y, "y");
int is_found;
is_found = setbasic_find(set, x);
SYMENGINE_C_ASSERT(is_found == 1);
is_found = setbasic_find(set, y);
SYMENGINE_C_ASSERT(is_found == 0);
setbasic_get(set, 0, y);
SYMENGINE_C_ASSERT(basic_eq(x, y));
int was_erased;
symbol_set(y, "y");
was_erased = setbasic_erase(set, y);
SYMENGINE_C_ASSERT(was_erased == 0);
SYMENGINE_C_ASSERT(setbasic_size(set) == 1);
was_erased = setbasic_erase(set, x);
SYMENGINE_C_ASSERT(was_erased == 1);
SYMENGINE_C_ASSERT(setbasic_size(set) == 0);
setbasic_free(set);
basic_free_stack(x);
basic_free_stack(y);
}
void test_CMapBasicBasic()
{
CMapBasicBasic *map = mapbasicbasic_new();
SYMENGINE_C_ASSERT(mapbasicbasic_size(map) == 0);
basic x, y;
basic_new_stack(x);
basic_new_stack(y);
symbol_set(x, "x");
symbol_set(y, "y");
mapbasicbasic_insert(map, x, y);
SYMENGINE_C_ASSERT(mapbasicbasic_size(map) == 1);
basic z;
basic_new_stack(z);
symbol_set(z, "z");
int is_found;
is_found = mapbasicbasic_get(map, x, z);
SYMENGINE_C_ASSERT(is_found == 1);
SYMENGINE_C_ASSERT(basic_eq(y, z));
is_found = mapbasicbasic_get(map, y, z);
SYMENGINE_C_ASSERT(is_found == 0);
mapbasicbasic_free(map);
basic_free_stack(x);
basic_free_stack(y);
basic_free_stack(z);
}
void test_get_args()
{
basic x, y, z, e;
basic_new_stack(x);
basic_new_stack(y);
basic_new_stack(z);
basic_new_stack(e);
symbol_set(x, "x");
symbol_set(y, "y");
symbol_set(z, "z");
integer_set_ui(e, 123);
basic_add(e, e, x);
basic_mul(e, e, y);
basic_div(e, e, z);
CVecBasic *args = vecbasic_new();
basic_get_args(e, args);
SYMENGINE_C_ASSERT(vecbasic_size(args) == 3);
vecbasic_free(args);
basic_free_stack(e);
basic_free_stack(x);
basic_free_stack(y);
basic_free_stack(z);
}
void test_free_symbols()
{
basic x, y, z, e;
basic_new_stack(x);
basic_new_stack(y);
basic_new_stack(z);
basic_new_stack(e);
symbol_set(x, "x");
symbol_set(y, "y");
symbol_set(z, "z");
integer_set_ui(e, 123);
basic_add(e, e, x);
basic_pow(e, e, y);
basic_div(e, e, z);
CSetBasic *symbols = setbasic_new();
basic_free_symbols(e, symbols);
SYMENGINE_C_ASSERT(setbasic_size(symbols) == 3);
setbasic_free(symbols);
basic_free_stack(e);
basic_free_stack(x);
basic_free_stack(y);
basic_free_stack(z);
}
void test_function_symbols()
{
char *s;
basic x, y, z, e;
basic_new_stack(x);
basic_new_stack(y);
basic_new_stack(z);
basic_new_stack(e);
symbol_set(x, "x");
symbol_set(y, "y");
symbol_set(z, "z");
basic f, g, h;
basic_new_stack(f);
basic_new_stack(g);
basic_new_stack(h);
CVecBasic *vec1 = vecbasic_new();
vecbasic_push_back(vec1, x);
function_symbol_set(g, "g", vec1);
CVecBasic *vec2 = vecbasic_new();
vecbasic_push_back(vec2, g);
function_symbol_set(h, "h", vec2);
CVecBasic *vec = vecbasic_new();
basic_add(e, x, y);
vecbasic_push_back(vec, e);
vecbasic_push_back(vec, g);
vecbasic_push_back(vec, h);
function_symbol_set(f, "f", vec);
basic_add(z, z, f);
s = basic_str(z);
SYMENGINE_C_ASSERT(strcmp(s, "z + f(x + y, g(x), h(g(x)))") == 0);
CSetBasic *symbols = setbasic_new();
basic_function_symbols(symbols, f);
SYMENGINE_C_ASSERT(setbasic_size(symbols) == 3);
setbasic_free(symbols);
basic_free_stack(e);
basic_free_stack(x);
basic_free_stack(y);
basic_free_stack(z);
basic_free_stack(f);
basic_free_stack(g);
basic_free_stack(h);
vecbasic_free(vec);
vecbasic_free(vec1);
vecbasic_free(vec2);
basic_str_free(s);
}
void test_function_symbol_get_name()
{
char *s1, *s2;
basic x;
basic_new_stack(x);
symbol_set(x, "x");
basic f, g;
basic_new_stack(f);
basic_new_stack(g);
CVecBasic *vec1 = vecbasic_new();
vecbasic_push_back(vec1, x);
function_symbol_set(g, "g", vec1);
CVecBasic *vec2 = vecbasic_new();
vecbasic_push_back(vec2, g);
function_symbol_set(f, "f", vec2);
s1 = function_symbol_get_name(g);
SYMENGINE_C_ASSERT(strcmp(s1, "g") == 0);
s2 = function_symbol_get_name(f);
SYMENGINE_C_ASSERT(strcmp(s2, "f") == 0);
basic_free_stack(x);
basic_free_stack(f);
basic_free_stack(g);
vecbasic_free(vec1);
vecbasic_free(vec2);
basic_str_free(s1);
basic_str_free(s2);
}
void test_get_type()
{
basic x, y;
basic_new_stack(x);
basic_new_stack(y);
symbol_set(x, "x");
integer_set_ui(y, 123);
SYMENGINE_C_ASSERT(basic_get_type(x) == SYMENGINE_SYMBOL);
SYMENGINE_C_ASSERT(basic_get_type(y) == SYMENGINE_INTEGER);
SYMENGINE_C_ASSERT(basic_get_class_id("Integer") == SYMENGINE_INTEGER);
SYMENGINE_C_ASSERT(basic_get_class_id("Add") == SYMENGINE_ADD);
char *s;
s = basic_get_class_from_id(SYMENGINE_INTEGER);
SYMENGINE_C_ASSERT(strcmp(s, "Integer") == 0);
basic_str_free(s);
basic_free_stack(x);
basic_free_stack(y);
}
void test_hash()
{
basic x1, x2, y;
basic_new_stack(x1);
basic_new_stack(x2);
basic_new_stack(y);
symbol_set(x1, "x");
symbol_set(x2, "x");
symbol_set(y, "y");
SYMENGINE_C_ASSERT(basic_hash(x1) == basic_hash(x2));
if (basic_hash(x1) != basic_hash(y))
SYMENGINE_C_ASSERT(basic_neq(x1, y));
basic_free_stack(x1);
basic_free_stack(x2);
basic_free_stack(y);
}
void test_subs2()
{
basic s, e, x, y, z;
basic_new_stack(s);
basic_new_stack(e);
basic_new_stack(x);
basic_new_stack(y);
basic_new_stack(z);
symbol_set(x, "x");
symbol_set(y, "y");
symbol_set(z, "z");
basic_mul(e, x, y);
basic_mul(e, e, z);
// e should be x*y*z
basic_subs2(s, e, y, x);
basic_subs2(s, s, z, x);
// s should be x**3
integer_set_si(z, 3);
basic_pow(e, x, z);
// e should be x**3
SYMENGINE_C_ASSERT(basic_eq(s, e));
basic_free_stack(s);
basic_free_stack(e);
basic_free_stack(x);
basic_free_stack(y);
basic_free_stack(z);
}
void test_subs()
{
basic s, e, x, y, z;
basic_new_stack(s);
basic_new_stack(e);
basic_new_stack(x);
basic_new_stack(y);
basic_new_stack(z);
symbol_set(x, "x");
symbol_set(y, "y");
symbol_set(z, "z");
basic_mul(e, x, y);
basic_mul(e, e, z);
// e should be x*y*z
CMapBasicBasic *map = mapbasicbasic_new();
mapbasicbasic_insert(map, y, x);
mapbasicbasic_insert(map, z, x);
basic_subs(s, e, map);
// s should be x**3
integer_set_si(z, 3);
basic_pow(e, x, z);
// e should be x**3
SYMENGINE_C_ASSERT(basic_eq(s, e));
mapbasicbasic_free(map);
basic_free_stack(s);
basic_free_stack(e);
basic_free_stack(x);
basic_free_stack(y);
basic_free_stack(z);
}
void test_coeff()
{
basic x, y, z, e, n4;
basic_new_stack(x);
basic_new_stack(y);
basic_new_stack(z);
basic_new_stack(e);
basic_new_stack(n4);
symbol_set(x, "x");
symbol_set(y, "y");
symbol_set(z, "z");
integer_set_si(n4, 4);
basic_mul(e, n4, x);
basic_add(e, e, y);
basic_add(e, e, z);
basic n1;
basic c1, c2, c3;
basic_new_stack(n1);
basic_new_stack(c1);
basic_new_stack(c2);
basic_new_stack(c3);
integer_set_si(n1, 1);
basic_coeff(c1, e, x, n1);
basic_coeff(c2, e, y, n1);
basic_coeff(c3, e, z, n1);
SYMENGINE_C_ASSERT(basic_eq(c1, n4));
SYMENGINE_C_ASSERT(basic_eq(c2, n1));
SYMENGINE_C_ASSERT(basic_eq(c3, n1));
basic_free_stack(c3);
basic_free_stack(c2);
basic_free_stack(c1);
basic_free_stack(n1);
basic_free_stack(n4);
basic_free_stack(e);
basic_free_stack(x);
basic_free_stack(y);
basic_free_stack(z);
}
void test_linsolve()
{
basic x, y;
basic i2, i3, i4, i9;
basic e1, e2;
basic_new_stack(x);
basic_new_stack(y);
symbol_set(x, "x");
symbol_set(y, "y");
basic_new_stack(i2);
basic_new_stack(i3);
basic_new_stack(i4);
basic_new_stack(i9);
integer_set_si(i2, -2);
integer_set_si(i3, 3);
integer_set_si(i4, -4);
integer_set_si(i9, 9);
basic_new_stack(e1);
basic_new_stack(e2);
symbol_set(e1, "e1");
symbol_set(e2, "e2");
// -2x - 4 + y
basic_mul(e1, i2, x);
basic_add(e1, e1, i4);
basic_add(e1, e1, y);
// 3x + y - 9
basic_mul(e2, i3, x);
basic_add(e2, e2, y);
basic_add(e2, e2, i9);
CVecBasic *sym = vecbasic_new();
vecbasic_push_back(sym, x);
vecbasic_push_back(sym, y);
CVecBasic *sys = vecbasic_new();
vecbasic_push_back(sys, e1);
vecbasic_push_back(sys, e2);
CVecBasic *sol = vecbasic_new();
vecbasic_linsolve(sol, sys, sym);
SYMENGINE_C_ASSERT(vecbasic_size(sol) == 2);
vecbasic_free(sym);
vecbasic_free(sys);
vecbasic_free(sol);
basic_free_stack(e1);
basic_free_stack(e2);
basic_free_stack(x);
basic_free_stack(y);
basic_free_stack(i2);
basic_free_stack(i3);
basic_free_stack(i4);
basic_free_stack(i9);
}
void test_solve_poly()
{
basic x, a;
basic m1, i2, i5;
CWRAPPER_OUTPUT_TYPE error_code;
basic_new_stack(x);
basic_new_stack(a);
symbol_set(x, "x");
symbol_set(a, "a");
basic_new_stack(m1);
basic_new_stack(i2);
basic_new_stack(i5);
basic_const_minus_one(m1);
integer_set_si(i2, 2);
integer_set_si(i5, 5);
// a = x^2 - 1
basic_pow(a, x, i2);
basic_add(a, a, m1);
CSetBasic *r = setbasic_new();
basic_solve_poly(r, a, x);
SYMENGINE_C_ASSERT(setbasic_size(r) == 2);
setbasic_free(r);
// a = exp(x) - 1
basic_exp(a, x);
basic_add(a, a, m1);
CSetBasic *r3 = setbasic_new();
error_code = basic_solve_poly(r3, a, x);
SYMENGINE_C_ASSERT(setbasic_size(r3) == 0);
SYMENGINE_C_ASSERT(error_code == SYMENGINE_RUNTIME_ERROR);
setbasic_free(r3);