//====Headers
#include <iso646.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>
#include <locale.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stddef.h>
#include <errno.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <float.h>
#include <time.h>
#include <gmp.h>   //using libgmp.a
#include <mpfr.h>
//======Types
#define u1 unsigned char
#define u2 unsigned short
#define u4 unsigned int
#define u8 unsigned long long
#define s1 signed char
#define s2 signed short
#define s4 signed int
#define s8 signed long long
#define f2 short float
#define f4 float
#define f8 double
#define f10 long double
//====Bithacks
#define setb(o,p) (o|=(1<<p))      //byte| 1<< pos
#define clrb(o,p) (o&=(~(1<<p)))  // byte | 11101111
#define togb(o,p) (o^=(1<<p))
#define chkb(o,p) ((o>>p)&1)
#define bitchar(bitchar_bit)    (48|bitchar_bit) // 48|0 or 1
//====Func
static __inline__ u8 rdtsc(void){u8 x;
 __asm__ volatile (".byte 0x0f, 0x31" : "=A" (x));     return x;}

u8 fsize(u1* filename){
FILE* tfile=fopen(filename,"rb");
if(!tfile){perror(filename);return 0;}
fseek(tfile,0,SEEK_END);
u8 sz=(u8)(ftell(tfile));fclose(tfile);return sz;}

u1* getcontent(u1*filename){//file to buffer
u8 size=fsize(filename);//
if(!size){perror("Zero length content"); return NULL;}
u1* res=malloc(size);
if(!res){perror("Malloc failure");return NULL;}
FILE* inpfile=fopen(filename,"rb");
if(!inpfile){perror("File cannot be read");return NULL;}
u8 findex=(u8)fread(res,1,size,inpfile);fclose(inpfile);
if(findex!=size){perror("size mismatch");return NULL;}
return res;}


void readcontent(u1* filename,u1* storage){
if(!filename){perror("Invalid filename"); return;}
u8 inpsize=fsize(filename);
if(!inpsize){perror("File empty");return;}
FILE* in=fopen(filename,"rb");
if(!in){perror(filename);return;}
storage=realloc(storage,inpsize);
if(!storage){perror("Malloc failure");return;}
u8 findex=(u8)fread(storage,1,inpsize,in);
fclose(in);
if(findex!=inpsize){perror("Read size mismatch");return;}}

void writecontent(u1* filename,u1* content,u8 size){
FILE* out=fopen(filename,"wb");
if(!out){perror(filename);return;}
u8 findex=(u8)fwrite(content,1,size,out);fclose(out);
if(findex!=size) perror("Write size mismatch");}

void buf2mpz(u1* string,mpz_t num,u8 size){
if(!string){perror("NULL string");return;}
if(!num){perror("Invalid mpz_t");return;}
if(!size){perror("Zero-length string");return;}
mpz_import(num,size, 1,1, -1, 0,string);
}