/* Test code for floating point parsing
   You will want to test more numbers - this is by no means exhaustive
*/

#include <stdio.h>
#include <inttypes.h>

/* Prototype for sprint_double */
void sprint_double(char* outbuf, uint64_t f);

int main() {

  char buf[256];
  uint64_t num;
  double a;
    
  //hex
  num = 0xffff0000;
  sprint_double(buf,num << 32);
  printf("%s should be: -NaN\n",buf);

  num = 0x7ff00000;
  sprint_double(buf,num << 32);
  printf("%s should be: infinity\n",buf);
    
  num = 0x00010000;
  sprint_double(buf,num << 32);
  printf("%s should be: denorm\n",buf);

  num = 0x80000000;
  sprint_double(buf,num << 32);
  printf("%s should be: -0\n",buf);

  num = 0x34554342;
  sprint_double(buf,num << 32);
  printf("%s should be: 1.0101010000110100001E-10111010\n",buf);

  //These weird casts are needed to pass in doubles
  a = 35.0;
  sprint_double(buf,*(uint64_t*)(&a));
  printf("%s should be: 100011\n",buf);

  a = 64.0;
  sprint_double(buf,*(uint64_t*)(&a));
  printf("%s should be: 1.0E110\n",buf);

  a = -96.0;
  sprint_double(buf,*(uint64_t*)(&a));
  printf("%s should be: -1.1E110\n",buf);

  a = -0.375;
  sprint_double(buf,*(uint64_t*)(&a));
  printf("%s should be: -0.011\n",buf);
    
  a = 2.75;
  sprint_double(buf,*(uint64_t*)(&a));
  printf("%s should be: 10.11\n",buf);
		
  a = 0.0625;
  sprint_double(buf,*(uint64_t*)(&a));
  printf("%s should be: 1.0E-100\n",buf);

  return 0;
}