example2.c

# 0 "/app/subjects/genann/example2.c"
# 0 "<built-in>"
# 0 "<command-line>"
# 1 "/app/subjects/genann/example2.c"
# 1 "/app/pipeline/preprocess/fake_libc_include/stdio.h" 1
# 1 "/app/pipeline/preprocess/fake_libc_include/_fake_defines.h" 1
# 2 "/app/pipeline/preprocess/fake_libc_include/stdio.h" 2
# 1 "/app/pipeline/preprocess/fake_libc_include/_fake_typedefs.h" 1



typedef int START_DELIMETER;
typedef int socklen_t;
typedef int size_t;
typedef int __builtin_va_list;
typedef int __gnuc_va_list;
typedef int va_list;
typedef int __int8_t;
typedef int __uint8_t;
typedef int __int16_t;
typedef int __uint16_t;
typedef int __int_least16_t;
typedef int __uint_least16_t;
typedef int __int32_t;
typedef int __uint32_t;
typedef int __int64_t;
typedef int __uint64_t;
typedef int __int_least32_t;
typedef int __uint_least32_t;
typedef int __s8;
typedef int __u8;
typedef int __s16;
typedef int __u16;
typedef int __s32;
typedef int __u32;
typedef int __s64;
typedef int __u64;
typedef int _LOCK_T;
typedef int _LOCK_RECURSIVE_T;
typedef int _off_t;
typedef int __dev_t;
typedef int __uid_t;
typedef int __gid_t;
typedef int _off64_t;
typedef int _fpos_t;
typedef int _ssize_t;
typedef int wint_t;
typedef int _mbstate_t;
typedef int _flock_t;
typedef int _iconv_t;
typedef int __ULong;
typedef int __FILE;
typedef int ptrdiff_t;
typedef int wchar_t;
typedef int char16_t;
typedef int char32_t;
typedef int __off_t;
typedef int __pid_t;
typedef int __loff_t;
typedef int u_char;
typedef int u_short;
typedef int u_int;
typedef int u_long;
typedef int ushort;
typedef int uint;
typedef int clock_t;
typedef int time_t;
typedef int daddr_t;
typedef int caddr_t;
typedef int ino_t;
typedef int off_t;
typedef int dev_t;
typedef int uid_t;
typedef int gid_t;
typedef int pid_t;
typedef int key_t;
typedef int ssize_t;
typedef int mode_t;
typedef int nlink_t;
typedef int fd_mask;
typedef int _types_fd_set;
typedef int clockid_t;
typedef int timer_t;
typedef int useconds_t;
typedef int suseconds_t;
typedef int FILE;
typedef int fpos_t;
typedef int cookie_read_function_t;
typedef int cookie_write_function_t;
typedef int cookie_seek_function_t;
typedef int cookie_close_function_t;
typedef int cookie_io_functions_t;
typedef int div_t;
typedef int ldiv_t;
typedef int lldiv_t;
typedef int sigset_t;
typedef int __sigset_t;
typedef int _sig_func_ptr;
typedef int sig_atomic_t;
typedef int __tzrule_type;
typedef int __tzinfo_type;
typedef int mbstate_t;
typedef int sem_t;
typedef int pthread_t;
typedef int pthread_attr_t;
typedef int pthread_mutex_t;
typedef int pthread_mutexattr_t;
typedef int pthread_cond_t;
typedef int pthread_condattr_t;
typedef int pthread_key_t;
typedef int pthread_once_t;
typedef int pthread_rwlock_t;
typedef int pthread_rwlockattr_t;
typedef int pthread_spinlock_t;
typedef int pthread_barrier_t;
typedef int pthread_barrierattr_t;
typedef int jmp_buf;
typedef int rlim_t;
typedef int sa_family_t;
typedef int sigjmp_buf;
typedef int stack_t;
typedef int siginfo_t;
typedef int z_stream;


typedef int int8_t;
typedef int uint8_t;
typedef int int16_t;
typedef int uint16_t;
typedef int int32_t;
typedef int uint32_t;
typedef int int64_t;
typedef int uint64_t;


typedef int int_least8_t;
typedef int uint_least8_t;
typedef int int_least16_t;
typedef int uint_least16_t;
typedef int int_least32_t;
typedef int uint_least32_t;
typedef int int_least64_t;
typedef int uint_least64_t;


typedef int int_fast8_t;
typedef int uint_fast8_t;
typedef int int_fast16_t;
typedef int uint_fast16_t;
typedef int int_fast32_t;
typedef int uint_fast32_t;
typedef int int_fast64_t;
typedef int uint_fast64_t;


typedef int intptr_t;
typedef int uintptr_t;


typedef int intmax_t;
typedef int uintmax_t;


typedef _Bool bool;


typedef void* MirEGLNativeWindowType;
typedef void* MirEGLNativeDisplayType;
typedef struct MirConnection MirConnection;
typedef struct MirSurface MirSurface;
typedef struct MirSurfaceSpec MirSurfaceSpec;
typedef struct MirScreencast MirScreencast;
typedef struct MirPromptSession MirPromptSession;
typedef struct MirBufferStream MirBufferStream;
typedef struct MirPersistentId MirPersistentId;
typedef struct MirBlob MirBlob;
typedef struct MirDisplayConfig MirDisplayConfig;


typedef struct xcb_connection_t xcb_connection_t;
typedef uint32_t xcb_window_t;
typedef uint32_t xcb_visualid_t;


typedef _Atomic(_Bool) atomic_bool;
typedef _Atomic(char) atomic_char;
typedef _Atomic(signed char) atomic_schar;
typedef _Atomic(unsigned char) atomic_uchar;
typedef _Atomic(short) atomic_short;
typedef _Atomic(unsigned short) atomic_ushort;
typedef _Atomic(int) atomic_int;
typedef _Atomic(unsigned int) atomic_uint;
typedef _Atomic(long) atomic_long;
typedef _Atomic(unsigned long) atomic_ulong;
typedef _Atomic(long long) atomic_llong;
typedef _Atomic(unsigned long long) atomic_ullong;
typedef _Atomic(uint_least16_t) atomic_char16_t;
typedef _Atomic(uint_least32_t) atomic_char32_t;
typedef _Atomic(wchar_t) atomic_wchar_t;
typedef _Atomic(int_least8_t) atomic_int_least8_t;
typedef _Atomic(uint_least8_t) atomic_uint_least8_t;
typedef _Atomic(int_least16_t) atomic_int_least16_t;
typedef _Atomic(uint_least16_t) atomic_uint_least16_t;
typedef _Atomic(int_least32_t) atomic_int_least32_t;
typedef _Atomic(uint_least32_t) atomic_uint_least32_t;
typedef _Atomic(int_least64_t) atomic_int_least64_t;
typedef _Atomic(uint_least64_t) atomic_uint_least64_t;
typedef _Atomic(int_fast8_t) atomic_int_fast8_t;
typedef _Atomic(uint_fast8_t) atomic_uint_fast8_t;
typedef _Atomic(int_fast16_t) atomic_int_fast16_t;
typedef _Atomic(uint_fast16_t) atomic_uint_fast16_t;
typedef _Atomic(int_fast32_t) atomic_int_fast32_t;
typedef _Atomic(uint_fast32_t) atomic_uint_fast32_t;
typedef _Atomic(int_fast64_t) atomic_int_fast64_t;
typedef _Atomic(uint_fast64_t) atomic_uint_fast64_t;
typedef _Atomic(intptr_t) atomic_intptr_t;
typedef _Atomic(uintptr_t) atomic_uintptr_t;
typedef _Atomic(size_t) atomic_size_t;
typedef _Atomic(ptrdiff_t) atomic_ptrdiff_t;
typedef _Atomic(intmax_t) atomic_intmax_t;
typedef _Atomic(uintmax_t) atomic_uintmax_t;
typedef struct atomic_flag { atomic_bool _Value; } atomic_flag;
typedef enum memory_order {
  memory_order_relaxed,
  memory_order_consume,
  memory_order_acquire,
  memory_order_release,
  memory_order_acq_rel,
  memory_order_seq_cst
} memory_order;

typedef struct __locale_struct *__locale_t;
typedef __locale_t locale_t;
typedef int END_DELIMETER;
# 3 "/app/pipeline/preprocess/fake_libc_include/stdio.h" 2
# 2 "/app/subjects/genann/example2.c" 2
# 1 "/app/pipeline/preprocess/fake_libc_include/stdlib.h" 1
# 3 "/app/subjects/genann/example2.c" 2
# 1 "/app/pipeline/preprocess/fake_libc_include/time.h" 1
# 4 "/app/subjects/genann/example2.c" 2
# 1 "/app/pipeline/preprocess/fake_libc_include/math.h" 1
# 5 "/app/subjects/genann/example2.c" 2
# 1 "/app/subjects/genann/genann.h" 1
# 30 "/app/subjects/genann/genann.h"
# 1 "/app/pipeline/preprocess/fake_libc_include/stdio.h" 1
# 31 "/app/subjects/genann/genann.h" 2
# 42 "/app/subjects/genann/genann.h"
struct genann;

typedef double (*genann_actfun)(const struct genann *ann, double a);

typedef struct genann {

    int inputs, hidden_layers, hidden, outputs;


    genann_actfun activation_hidden;


    genann_actfun activation_output;


    int total_weights;


    int total_neurons;


    double *weight;


    double *output;


    double *delta;

} genann;


genann *genann_init(int inputs, int hidden_layers, int hidden, int outputs);


genann *genann_read(FILE *in);


void genann_randomize(genann *ann);


genann *genann_copy(genann const *ann);


void genann_free(genann *ann);


double const *genann_run(genann const *ann, double const *inputs);


void genann_train(genann const *ann, double const *inputs, double const *desired_outputs, double learning_rate);


void genann_write(genann const *ann, FILE *out);

void genann_init_sigmoid_lookup(const genann *ann);
double genann_act_sigmoid(const genann *ann, double a);
double genann_act_sigmoid_cached(const genann *ann, double a);
double genann_act_threshold(const genann *ann, double a);
double genann_act_linear(const genann *ann, double a);
# 6 "/app/subjects/genann/example2.c" 2

int main(int argc, char *argv[])
{
    printf("GENANN example 2.\n");
    printf("Train a small ANN to the XOR function using random search.\n");

    srand(time(0));


    const double input[4][2] = {{0, 0}, {0, 1}, {1, 0}, {1, 1}};
    const double output[4] = {0, 1, 1, 0};
    int i;




    genann *ann = genann_init(2, 1, 2, 1);

    double err;
    double last_err = 1000;
    int count = 0;

    do {
        ++count;
        if (count % 1000 == 0) {

            genann_randomize(ann);
            last_err = 1000;
        }

        genann *save = genann_copy(ann);


        for (i = 0; i < ann->total_weights; ++i) {
            ann->weight[i] += ((double)rand())/32767 -0.5;
        }


        err = 0;
        err += pow(*genann_run(ann, input[0]) - output[0], 2.0);
        err += pow(*genann_run(ann, input[1]) - output[1], 2.0);
        err += pow(*genann_run(ann, input[2]) - output[2], 2.0);
        err += pow(*genann_run(ann, input[3]) - output[3], 2.0);


        if (err < last_err) {
            genann_free(save);
            last_err = err;
        } else {
            genann_free(ann);
            ann = save;
        }

    } while (err > 0.01);

    printf("Finished in %d loops.\n", count);


    printf("Output for [%1.f, %1.f] is %1.f.\n", input[0][0], input[0][1], *genann_run(ann, input[0]));
    printf("Output for [%1.f, %1.f] is %1.f.\n", input[1][0], input[1][1], *genann_run(ann, input[1]));
    printf("Output for [%1.f, %1.f] is %1.f.\n", input[2][0], input[2][1], *genann_run(ann, input[2]));
    printf("Output for [%1.f, %1.f] is %1.f.\n", input[3][0], input[3][1], *genann_run(ann, input[3]));

    genann_free(ann);
    return 0;
}