/* Testing Code */

#include <limits.h>
#include <math.h>

/* Routines used by floation point test code */

/* Convert from bit level representation to floating point number */
float u2f(unsigned u) {
  union {
    unsigned u;
    float f;
  } a;
  a.u = u;
  return a.f;
}

/* Convert from floating point number to bit-level representation */
unsigned f2u(float f) {
  union {
    unsigned u;
    float f;
  } a;
  a.f = f;
  return a.u;
}

int test_isAsciiDigit(int x) {
  return (0x30 <= x) && (x <= 0x39);
}
int test_anyEvenBit(int x) {
  int i;
  for (i = 0; i < 32; i+=2)
      if (x & (1<<i))
   return 1;
  return 0;
}
int test_copyLSB(int x)
{
  return (x & 0x1) ? -1 : 0;
}
int test_leastBitPos(int x) {
  int mask = 1;
  if (x == 0)
    return 0;
  while (!(mask & x)) {
    mask = mask << 1;
  }
  return mask;
}
int test_divpwr2(int x, int n)
{
    int p2n = 1<<n;
    return x/p2n;
}
int test_bitCount(int x) {
  int result = 0;
  int i;
  for (i = 0; i < 32; i++)
    result += (x >> i) & 0x1;
  return result;
}