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Fix Float.parse and Double.parse for some values

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This commit is contained in:
Alexey Andreev 2020-10-07 11:59:33 +03:00
parent 1785d6ad9e
commit 74cc1d8d7d
4 changed files with 9 additions and 4 deletions
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4
classlib/src/main/java/org/teavm/classlib/java/lang/TDouble.java
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@ -121,7 +121,7 @@ public class TDouble extends TNumber implements TComparable<TDouble> {
if (c < '0' || c > '9') { if (c < '0' || c > '9') {
break; break;
} }
if (mantissa < 1E17) { if (mantissa < TLong.MAX_VALUE / 10 - 9) {
mantissa = mantissa * 10 + (c - '0'); mantissa = mantissa * 10 + (c - '0');
} else { } else {
++exp; ++exp;
@ -136,7 +136,7 @@ public class TDouble extends TNumber implements TComparable<TDouble> {
if (c < '0' || c > '9') { if (c < '0' || c > '9') {
break; break;
} }
if (mantissa < 1E17) { if (mantissa < TLong.MAX_VALUE / 10 - 9) {
mantissa = mantissa * 10 + (c - '0'); mantissa = mantissa * 10 + (c - '0');
--exp; --exp;
} }

4
classlib/src/main/java/org/teavm/classlib/java/lang/TFloat.java
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@ -167,7 +167,7 @@ public class TFloat extends TNumber implements TComparable<TFloat> {
if (c < '0' || c > '9') { if (c < '0' || c > '9') {
break; break;
} }
if (mantissa < 1E8) { if (mantissa < (TInteger.MAX_VALUE / 10) - 9) {
mantissa = mantissa * 10 + (c - '0'); mantissa = mantissa * 10 + (c - '0');
} else { } else {
++exp; ++exp;
@ -183,7 +183,7 @@ public class TFloat extends TNumber implements TComparable<TFloat> {
if (c < '0' || c > '9') { if (c < '0' || c > '9') {
break; break;
} }
if (mantissa < 1E38) { if (mantissa < (TInteger.MAX_VALUE / 10) - 9) {
mantissa = mantissa * 10 + (c - '0'); mantissa = mantissa * 10 + (c - '0');
--exp; --exp;
} }

3
tests/src/test/java/org/teavm/classlib/java/lang/DoubleTest.java
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@ -49,6 +49,9 @@ public class DoubleTest {
assertEquals(0, Double.parseDouble("23E-8000"), 1E-12); assertEquals(0, Double.parseDouble("23E-8000"), 1E-12);
assertEquals(0, Double.parseDouble("00000"), 1E-12); assertEquals(0, Double.parseDouble("00000"), 1E-12);
assertEquals(0, Double.parseDouble("00000.0000"), 1E-12); assertEquals(0, Double.parseDouble("00000.0000"), 1E-12);
assertEquals(4499999999999888888888888.0, Double.parseDouble("4499999999999888888888888"), 1E9);
assertEquals(0.4499999999999888888888888, Double.parseDouble("0.4499999999999888888888888"), 1E-15);
} }
@Test @Test

2
tests/src/test/java/org/teavm/classlib/java/lang/FloatTest.java
View File

@ -50,6 +50,8 @@ public class FloatTest {
assertEquals(0, Float.parseFloat("23E-8000"), 1E-12F); assertEquals(0, Float.parseFloat("23E-8000"), 1E-12F);
assertEquals(0, Float.parseFloat("00000"), 1E-12F); assertEquals(0, Float.parseFloat("00000"), 1E-12F);
assertEquals(0, Float.parseFloat("00000.0000"), 1E-12F); assertEquals(0, Float.parseFloat("00000.0000"), 1E-12F);
assertEquals(4499999285F, Float.parseFloat("4499999285"), 100F);
assertEquals(0.4499999285F, Float.parseFloat("0.4499999285"), 1E-9F);
} }
@Test @Test