/**
* Constructs a new {@code MathContext} from a string. The string has to specify the precision and
* the rounding mode to be used and has to follow the following syntax:
* "precision=<precision> roundingMode=<roundingMode>" This is the same form as the
* one returned by the {@link #toString} method.
*
* @throws IllegalArgumentException if the string is not in the correct format or if the precision
* specified is < 0.
*/
@DSComment("From safe class list")
@DSSafe(DSCat.SAFE_LIST)
@DSGenerator(
tool_name = "Doppelganger",
tool_version = "2.0",
generated_on = "2013-12-30 12:56:34.348 -0500",
hash_original_method = "1D8B76B7C700FBF158167DD4C05A3C30",
hash_generated_method = "96CB7A0DB097A7BF33DE16B65A96E3E8")
public MathContext(String s) {
int precisionLength = "precision=".length();
int roundingModeLength = "roundingMode=".length();
int spaceIndex;
if (!s.startsWith("precision=") || (spaceIndex = s.indexOf(' ', precisionLength)) == -1) {
throw invalidMathContext("Missing precision", s);
}
String precisionString = s.substring(precisionLength, spaceIndex);
try {
this.precision = Integer.parseInt(precisionString);
} catch (NumberFormatException nfe) {
throw invalidMathContext("Bad precision", s);
}
int roundingModeStart = spaceIndex + 1;
if (!s.regionMatches(roundingModeStart, "roundingMode=", 0, roundingModeLength)) {
throw invalidMathContext("Missing rounding mode", s);
}
roundingModeStart += roundingModeLength;
this.roundingMode = RoundingMode.valueOf(s.substring(roundingModeStart));
checkValid();
}
/**
* Returns the hash code for this {@code MathContext} instance.
*
* @return the hash code for this {@code MathContext}.
*/
@DSComment("From safe class list")
@DSSafe(DSCat.SAFE_LIST)
@DSGenerator(
tool_name = "Doppelganger",
tool_version = "2.0",
generated_on = "2013-12-30 12:56:34.364 -0500",
hash_original_method = "CDDF05FC589C0F0146B62DD26D215A30",
hash_generated_method = "B195C6308746B1DAC1EA450308C3E284")
@Override
public int hashCode() {
// Make place for the necessary bits to represent 8 rounding modes
return ((precision << 3) | roundingMode.ordinal());
}