public static void GetCachedPowerForDecimalExponent(int requestedExponent, out DiyFp power, out int foundExponent)
{
var index = (requestedExponent + KCachedPowersOffset) / KDecimalExponentDistance;
var cachedPower = KCachedPowers[index];
power = new DiyFp(cachedPower.Significand, cachedPower.BinaryExponent);
foundExponent = cachedPower.DecimalExponent;
}
public static void GetCachedPowerForBinaryExponentRange(
int minExponent,
int maxExponent,
out DiyFp power,
out int decimalExponent)
{
var kQ = DiyFp.KSignificandSize;
var k = Math.Ceiling((minExponent + kQ - 1) * KD1Log210);
var foo = KCachedPowersOffset;
var index = (foo + (int)(k) - 1) / KDecimalExponentDistance + 1;
var cachedPower = KCachedPowers[index];
// (void)max_exponent; // Mark variable as used.
decimalExponent = cachedPower.DecimalExponent;
power = new DiyFp(cachedPower.Significand, cachedPower.BinaryExponent);
}