// Program: limits-E_v3.ino
/*
  Determine the memory sizes and limits of datatypes

  Ref: https://www.tutorialspoint.com/c_standard_library/limits_h.htm
*/

// C Programming/limits.h
// https://en.wikibooks.org/wiki/C_Programming/limits.h

// Numeric limits
// https://en.cppreference.com/w/c/types/limits

#include <limits.h>
#include <float.h>

void setup()
{
  // Initialize serial and wait for port to open
  Serial.begin(115200);
}

void loop()
{
  // char type
  Serial.print("Size of char is ");
  Serial.print(sizeof(char));
  Serial.println(" bytes");

  // unsigned char type
  Serial.print("Size of unsigned char is ");
  Serial.print(sizeof(unsigned char));
  Serial.println(" bytes");

  // int type
  Serial.print("\nSize of int is ");
  Serial.print(sizeof(int));
  Serial.println(" bytes");

  // unsigned int type
  Serial.print("Size of unsigned int is ");
  Serial.print(sizeof(unsigned int));
  Serial.println(" bytes");

  // long type
  Serial.print("Size of long is ");
  Serial.print(sizeof(long));
  Serial.println(" bytes");

  // unsigned long type
  Serial.print("Size of unsigned long is ");
  Serial.print(sizeof(unsigned long));
  Serial.println(" bytes");

  // float type
  Serial.print("\nSize of float is ");
  Serial.print(sizeof(float));
  Serial.println(" bytes");

  // double type
  Serial.print("Size of double is ");
  Serial.print(sizeof(double));
  Serial.println(" bytes");

  Serial.print("\nSCHAR_MIN is ");
  Serial.println(SCHAR_MIN);

  Serial.print("SCHAR_MAX is ");
  Serial.println(SCHAR_MAX);

  Serial.print("CHAR_MIN is ");
  Serial.println(CHAR_MIN);

  Serial.print("CHAR_MAX is ");
  Serial.println(CHAR_MAX);

  Serial.print("\nINT_MIN is ");
  Serial.println(INT_MIN);

  Serial.print("INT_MAX is ");
  Serial.println(INT_MAX);

  Serial.print("UINT_MAX is ");
  Serial.println(UINT_MAX);

  Serial.print("LONG_MIN is ");
  Serial.println(LONG_MIN);

  Serial.print("LONG_MAX is ");
  Serial.println(LONG_MAX);

  Serial.print("ULONG_MAX is ");
  Serial.println(ULONG_MAX);

  Serial.print("\nDECIMAL_DIG is ");
  Serial.println(DECIMAL_DIG);
  Serial.print("FLT_RADIX is ");
  Serial.println(FLT_RADIX);
  Serial.print("FLT_MIN is ");
  Serial.println(FLT_MIN);
  Serial.print("FLT_MAX is ");
  Serial.println(FLT_MAX);
  Serial.print("FLT_EPSILON is ");
  Serial.println(FLT_EPSILON);
  Serial.print("FLT_DIG is ");
  Serial.println(FLT_DIG);
  Serial.print("FLT_MANT_DIG is ");
  Serial.println(FLT_MANT_DIG);
  Serial.print("FLT_MIN_EXP is ");
  Serial.println(FLT_MIN_EXP);
  Serial.print("FLT_MIN_10_EXP is ");
  Serial.println(FLT_MIN_10_EXP);
  Serial.print("FLT_MAX_EXP is ");
  Serial.println(FLT_MAX_EXP);
  Serial.print("FLT_MAX_10_EXP is ");
  Serial.println(FLT_MAX_10_EXP);
  Serial.print("FLT_ROUNDS is ");
  Serial.println(FLT_ROUNDS);
  Serial.print("FLT_EVAL_METHOD is ");
  Serial.println(FLT_EVAL_METHOD);

  Serial.print("\nDECIMAL_DIG is ");
  Serial.println(DECIMAL_DIG);
  Serial.print("DBL_MIN is ");
  Serial.println(DBL_MIN);
  Serial.print("DBL_MAX is ");
  Serial.println(DBL_MAX);
  Serial.print("DBL_EPSILON is ");
  Serial.println(DBL_EPSILON);
  Serial.print("DBL_DIG is ");
  Serial.println(DBL_DIG);
  Serial.print("DBL_MANT_DIG is ");
  Serial.println(DBL_MANT_DIG);
  Serial.print("DBL_MIN_EXP is ");
  Serial.println(DBL_MIN_EXP);
  Serial.print("DBL_MIN_10_EXP is ");
  Serial.println(DBL_MIN_10_EXP);
  Serial.print("DBL_MAX_EXP is ");
  Serial.println(DBL_MAX_EXP);
  Serial.print("DBL_MAX_10_EXP is ");
  Serial.println(DBL_MAX_10_EXP);

  while (1);                          // Dynamic halt of the program
}

/*
  Size of char is 1 bytes
  Size of unsigned char is 1 bytes

  Size of int is 4 bytes
  Size of unsigned int is 4 bytes
  Size of long is 4 bytes
  Size of unsigned long is 4 bytes

  Size of float is 4 bytes
  Size of double is 8 bytes

  SCHAR_MIN is -128
  SCHAR_MAX is 127
  CHAR_MIN is 0
  CHAR_MAX is 255

  INT_MIN is -2147483648
  INT_MAX is 2147483647
  UINT_MAX is 4294967295
  LONG_MIN is -2147483648
  LONG_MAX is 2147483647
  ULONG_MAX is 4294967295

  DECIMAL_DIG is 17
  FLT_RADIX is 2
  FLT_MIN is 0.00
  FLT_MAX is ovf
  FLT_EPSILON is 0.00
  FLT_DIG is 6
  FLT_MANT_DIG is 24
  FLT_MIN_EXP is -125
  FLT_MIN_10_EXP is -37
  FLT_MAX_EXP is 128
  FLT_MAX_10_EXP is 38
  FLT_ROUNDS is 1
  FLT_EVAL_METHOD is 0

  DECIMAL_DIG is 17
  DBL_MIN is 0.00
  DBL_MAX is ovf
  DBL_EPSILON is 0.00
  DBL_DIG is 15
  DBL_MANT_DIG is 53
  DBL_MIN_EXP is -1021
  DBL_MIN_10_EXP is -307
  DBL_MAX_EXP is 1024
  DBL_MAX_10_EXP is 308
*/