Searched refs:exponent (Results 1 - 9 of 9) sorted by relevance

/libcore/ojluni/src/main/java/sun/misc/
H A DFpUtils.java50 * to to least significant, sign, exponent, and significand.
53 * [sign|exponent| fractional_significand]
62 * (-1)^sign * 2^(exponent)*(1.fractional_significand)
64 * Most finite floating-point numbers are normalized; the exponent
70 * are encoding using a special exponent value. In other words,
73 * implicit from the exponent value.
75 * The exponent field uses a biased representation; if the bits of
76 * the exponent are interpreted as a unsigned integer E, the
77 * exponent represented is E - E_bias where E_bias depends on the
82 * The 32-bit float format has 1 sign bit, 8 exponent bit
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H A DFormattedFloatingDecimal.java43 private char[] exponent; field in class:FormattedFloatingDecimal
60 this.exponent = null;
87 // the real exponent to be output is actually exp - 1, not exp
104 // returns the exponent after rounding has been done by applyPrecision
114 return exponent;
161 * Fills mantissa and exponent char arrays for compatible format.
232 exponent = create(isNegExp,1);
233 exponent[expStartIntex] = (char) (e + '0');
235 exponent = create(isNegExp,2);
236 exponent[expStartInte
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H A DFloatingDecimal.java45 static final long EXP_ONE = ((long)DoubleConsts.EXP_BIAS)<<EXP_SHIFT; // exponent of 1.0
143 * Retrieves the decimal exponent most closely corresponding to this value.
144 * @return The decimal exponent.
216 throw new IllegalArgumentException("Exceptional value does not have an exponent");
809 * Estimate decimal exponent. (If it is small-ish,
823 int exponent = (int)((dBits & DoubleConsts.EXP_BIT_MASK) >> EXP_SHIFT) - DoubleConsts.EXP_BIAS;
825 if(exponent>=0 && exponent<52) { // hot path
826 long mask = DoubleConsts.SIGNIF_BIT_MASK >> exponent;
827 int r = (int)(( (dBits&DoubleConsts.SIGNIF_BIT_MASK) | FRACT_HOB )>>(EXP_SHIFT-exponent));
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/libcore/luni/src/main/java/java/math/
H A DConversion.java30 * Holds the maximal exponent for each radix, so that radix<sup>digitFitInInt[radix]</sup>
239 int exponent = resLengthInChars - currentChar - scale - 1;
247 if ((scale > 0) && (exponent >= -6)) {
248 if (exponent >= 0) {
250 int insertPoint = currentChar + exponent;
262 for (int j = 2; j < -exponent + 1; j++) {
289 if (exponent > 0) {
292 result1.append(Integer.toString(exponent));
342 long exponent = (long)resLengthInChars - (long)currentChar - scale - 1L;
349 if (scale > 0 && exponent >
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H A DBigDecimal.java304 // Accumulating all digits until a possible exponent
322 // An exponent was found
470 // Extracting the exponent, note that the bias is 1023
2210 long exponent = -(long)scale + end - begin;
2214 if ((scale > 0) && (exponent >= -6)) {
2215 if (exponent >= 0) {
2219 result.insert(begin + 1, CH_ZEROS, 0, -(int)exponent - 1);
2227 if (exponent > 0) {
2230 result.insert(++end, Long.toString(exponent));
2242 * scientific notation except that the exponent i
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H A DBigInteger.java977 * pow(this, exponent) mod modulus}. The modulus must be positive. The
979 * If the exponent is negative, then
980 * {@code pow(this.modInverse(modulus), -exponent) mod modulus} is computed.
984 * @throws NullPointerException if {@code modulus == null} or {@code exponent == null}.
985 * @throws ArithmeticException if {@code modulus < 0} or if {@code exponent < 0} and
988 public BigInteger modPow(BigInteger exponent, BigInteger modulus) { argument
992 int exponentSignum = exponent.signum();
997 return new BigInteger(BigInt.modExp(base.getBigInt(), exponent.getBigInt(), modulus.getBigInt()));
/libcore/ojluni/src/main/java/java/lang/
H A DStrictMath.java211 * @param a the exponent to raise <i>e</i> to.
374 int exponent = Math.getExponent(a);
376 if (exponent < 0) {
384 } else if (exponent >= 52) {
392 assert exponent >= 0 && exponent <= 51;
395 long mask = DoubleConsts.SIGNIF_BIT_MASK >> exponent;
629 * @param b the exponent.
1337 * @param x the exponent to raise <i>e</i> to in the computation of
1407 * Returns the unbiased exponent use
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/libcore/ojluni/src/main/java/java/util/
H A DScanner.java484 String exponent = "([eE][+-]?"+digit+"+)?";
495 positiveSuffix + exponent + ")";
497 negativeSuffix + exponent + ")";
498 String decimal = "(([-+]?" + decimalNumeral + exponent + ")|"+
H A DFormatter.java347 * a significand and an exponent. This conversion is <b>not</b> supported
846 * exponent (as appropriate for the data type), the following transformation
1165 * <p> If <i>m</i> is positive-zero or negative-zero, then the exponent
1181 * java.text.DecimalFormatSymbols#getExponentSeparator exponent separator}
1182 * (e.g. {@code 'e'}), followed by the sign of the exponent, followed
1204 * <td> The upper-case variant of {@code 'e'}. The exponent symbol
1206 * java.text.DecimalFormatSymbols#getExponentSeparator exponent separator}
1297 * exponent fields. The significand is represented by the characters
1299 * of the significand as a fraction. The exponent is represented by
1301 * unbiased exponent a
3813 public char[] exponent() { method in class:Formatter.FormatSpecifier.BigDecimalLayout
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