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src/java.base/share/classes/java/math/BigDecimal.java

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rev 16194 : imported patch XXXXXXX-Use-StringBuilder-appendN-method

*** 3303,3315 **** } else { String str = intVal.toString(); buf = new StringBuilder(str.length()+trailingZeros); buf.append(str); } ! for (int i = 0; i < trailingZeros; i++) { ! buf.append('0'); ! } return buf.toString(); } String str ; if(intCompact!=INFLATED) { str = Long.toString(Math.abs(intCompact)); --- 3303,3313 ---- } else { String str = intVal.toString(); buf = new StringBuilder(str.length()+trailingZeros); buf.append(str); } ! buf.appendN('0', trailingZeros); return buf.toString(); } String str ; if(intCompact!=INFLATED) { str = Long.toString(Math.abs(intCompact));
*** 3332,3344 **** if (signum < 0) buf.insert(0, '-'); } else { /* We must insert zeros between point and intVal */ buf = new StringBuilder(3-insertionPoint + intString.length()); buf.append(signum<0 ? "-0." : "0."); ! for (int i=0; i<-insertionPoint; i++) { ! buf.append('0'); ! } buf.append(intString); } return buf.toString(); } --- 3330,3340 ---- if (signum < 0) buf.insert(0, '-'); } else { /* We must insert zeros between point and intVal */ buf = new StringBuilder(3-insertionPoint + intString.length()); buf.append(signum<0 ? "-0." : "0."); ! buf.appendN('0', -insertionPoint); buf.append(intString); } return buf.toString(); }
*** 3809,3821 **** if ((scale >= 0) && (adjusted >= -6)) { // plain number int pad = scale - coeffLen; // count of padding zeros if (pad >= 0) { // 0.xxx form buf.append('0'); buf.append('.'); ! for (; pad>0; pad--) { ! buf.append('0'); ! } buf.append(coeff, offset, coeffLen); } else { // xx.xx form buf.append(coeff, offset, -pad); buf.append('.'); buf.append(coeff, -pad + offset, scale); --- 3805,3815 ---- if ((scale >= 0) && (adjusted >= -6)) { // plain number int pad = scale - coeffLen; // count of padding zeros if (pad >= 0) { // 0.xxx form buf.append('0'); buf.append('.'); ! buf.appendN('0', pad); buf.append(coeff, offset, coeffLen); } else { // xx.xx form buf.append(coeff, offset, -pad); buf.append('.'); buf.append(coeff, -pad + offset, scale);
*** 3850,3862 **** throw new AssertionError("Unexpected sig value " + sig); } } else if (sig >= coeffLen) { // significand all in integer buf.append(coeff, offset, coeffLen); // may need some zeros, too ! for (int i = sig - coeffLen; i > 0; i--) { ! buf.append('0'); ! } } else { // xx.xxE form buf.append(coeff, offset, sig); buf.append('.'); buf.append(coeff, offset + sig, coeffLen - sig); } --- 3844,3854 ---- throw new AssertionError("Unexpected sig value " + sig); } } else if (sig >= coeffLen) { // significand all in integer buf.append(coeff, offset, coeffLen); // may need some zeros, too ! buf.appendN('0', sig - coeffLen); } else { // xx.xxE form buf.append(coeff, offset, sig); buf.append('.'); buf.append(coeff, offset + sig, coeffLen - sig); }
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