-
FloatMath
-
CHECK_OVERFLOW: boolean
-
CHECK_NAN: boolean
-
FLOAT_SIGNIFICAND_WIDTH: int
-
FLOAT_EXP_BIAS: int
-
FLOAT_EXP_BIT_MASK: int
-
FLOAT_SIGNIF_BIT_MASK: int
-
$assertionsDisabled: boolean
-
<clinit>(): void
-
<init>(): void
-
max(int, int): int
-
min(int, int): int
-
ceil_f(float): float
-
floor_f(float): float
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ceil_int(float): int
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ceil_int(double): int
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floor_int(float): int
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floor_int(double): int
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public final class sun.java2d.marlin.FloatMath implements sun.java2d.marlin.MarlinConst
minor version: 0
major version: 59
flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
this_class: sun.java2d.marlin.FloatMath
super_class: java.lang.Object
{
static final boolean CHECK_OVERFLOW;
descriptor: Z
flags: (0x0018) ACC_STATIC, ACC_FINAL
ConstantValue: 1
static final boolean CHECK_NAN;
descriptor: Z
flags: (0x0018) ACC_STATIC, ACC_FINAL
ConstantValue: 1
public static final int FLOAT_SIGNIFICAND_WIDTH;
descriptor: I
flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
ConstantValue: 24
public static final int FLOAT_EXP_BIAS;
descriptor: I
flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
ConstantValue: 127
public static final int FLOAT_EXP_BIT_MASK;
descriptor: I
flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
ConstantValue: 2139095040
public static final int FLOAT_SIGNIF_BIT_MASK;
descriptor: I
flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
ConstantValue: 8388607
static final boolean $assertionsDisabled;
descriptor: Z
flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=1, locals=0, args_size=0
0: .line 31
ldc Lsun/java2d/marlin/FloatMath;
invokevirtual java.lang.Class.desiredAssertionStatus:()Z
ifne 1
iconst_1
goto 2
StackMap locals:
StackMap stack:
1: iconst_0
StackMap locals:
StackMap stack: int
2: putstatic sun.java2d.marlin.FloatMath.$assertionsDisabled:Z
3: .line 40
return
LocalVariableTable:
Start End Slot Name Signature
private void <init>();
descriptor: ()V
flags: (0x0002) ACC_PRIVATE
Code:
stack=1, locals=1, args_size=1
start local 0 // sun.java2d.marlin.FloatMath this
0: .line 42
aload 0 /* this */
invokespecial java.lang.Object.<init>:()V
1: .line 44
return
end local 0 // sun.java2d.marlin.FloatMath this
LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lsun/java2d/marlin/FloatMath;
static int max(int, int);
descriptor: (II)I
flags: (0x0008) ACC_STATIC
Code:
stack=2, locals=2, args_size=2
start local 0 // int a
start local 1 // int b
0: .line 48
iload 0 /* a */
iload 1 /* b */
if_icmplt 1
iload 0 /* a */
goto 2
StackMap locals:
StackMap stack:
1: iload 1 /* b */
StackMap locals:
StackMap stack: int
2: ireturn
end local 1 // int b
end local 0 // int a
LocalVariableTable:
Start End Slot Name Signature
0 3 0 a I
0 3 1 b I
MethodParameters:
Name Flags
a final
b final
static int min(int, int);
descriptor: (II)I
flags: (0x0008) ACC_STATIC
Code:
stack=2, locals=2, args_size=2
start local 0 // int a
start local 1 // int b
0: .line 52
iload 0 /* a */
iload 1 /* b */
if_icmpgt 1
iload 0 /* a */
goto 2
StackMap locals:
StackMap stack:
1: iload 1 /* b */
StackMap locals:
StackMap stack: int
2: ireturn
end local 1 // int b
end local 0 // int a
LocalVariableTable:
Start End Slot Name Signature
0 3 0 a I
0 3 1 b I
MethodParameters:
Name Flags
a final
b final
public static float ceil_f(float);
descriptor: (F)F
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=3, locals=4, args_size=1
start local 0 // float a
0: .line 77
fload 0 /* a */
invokestatic java.lang.Float.floatToRawIntBits:(F)I
istore 1 /* doppel */
start local 1 // int doppel
1: .line 79
iload 1 /* doppel */
ldc 2139095040
iand
2: .line 80
bipush 23
3: .line 79
ishr
4: .line 81
bipush 127
5: .line 79
isub
istore 2 /* exponent */
start local 2 // int exponent
6: .line 83
iload 2 /* exponent */
ifge 11
7: .line 89
fload 0 /* a */
fconst_0
fcmpl
ifne 8
fload 0 /* a */
goto 10
8: .line 90
StackMap locals: int int
StackMap stack:
fload 0 /* a */
fconst_0
fcmpg
ifge 9
ldc -0.0
goto 10
StackMap locals:
StackMap stack:
9: fconst_1
10: .line 89
StackMap locals:
StackMap stack: float
freturn
11: .line 92
StackMap locals:
StackMap stack:
iload 2 /* exponent */
bipush 23
if_icmplt 13
12: .line 96
fload 0 /* a */
freturn
13: .line 100
StackMap locals:
StackMap stack:
getstatic sun.java2d.marlin.FloatMath.$assertionsDisabled:Z
ifne 15
iload 2 /* exponent */
iflt 14
iload 2 /* exponent */
bipush 22
if_icmple 15
StackMap locals:
StackMap stack:
14: new java.lang.AssertionError
dup
invokespecial java.lang.AssertionError.<init>:()V
athrow
15: .line 102
StackMap locals:
StackMap stack:
iload 1 /* doppel */
16: .line 103
ldc 8388607
iload 2 /* exponent */
ishr
iconst_m1
ixor
17: .line 102
iand
istore 3 /* intpart */
start local 3 // int intpart
18: .line 105
iload 3 /* intpart */
iload 1 /* doppel */
if_icmpne 20
19: .line 106
fload 0 /* a */
freturn
20: .line 112
StackMap locals: int
StackMap stack:
iload 3 /* intpart */
invokestatic java.lang.Float.intBitsToFloat:(I)F
iload 3 /* intpart */
iconst_m1
ixor
bipush 31
iushr
i2f
fadd
freturn
end local 3 // int intpart
end local 2 // int exponent
end local 1 // int doppel
end local 0 // float a
LocalVariableTable:
Start End Slot Name Signature
0 21 0 a F
1 21 1 doppel I
6 21 2 exponent I
18 21 3 intpart I
MethodParameters:
Name Flags
a final
public static float floor_f(float);
descriptor: (F)F
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=3, locals=4, args_size=1
start local 0 // float a
0: .line 134
fload 0 /* a */
invokestatic java.lang.Float.floatToRawIntBits:(F)I
istore 1 /* doppel */
start local 1 // int doppel
1: .line 136
iload 1 /* doppel */
ldc 2139095040
iand
2: .line 137
bipush 23
3: .line 136
ishr
4: .line 138
bipush 127
5: .line 136
isub
istore 2 /* exponent */
start local 2 // int exponent
6: .line 140
iload 2 /* exponent */
ifge 11
7: .line 146
fload 0 /* a */
fconst_0
fcmpl
ifne 8
fload 0 /* a */
goto 10
8: .line 147
StackMap locals: int int
StackMap stack:
fload 0 /* a */
fconst_0
fcmpg
ifge 9
ldc -1.0
goto 10
StackMap locals:
StackMap stack:
9: fconst_0
10: .line 146
StackMap locals:
StackMap stack: float
freturn
11: .line 149
StackMap locals:
StackMap stack:
iload 2 /* exponent */
bipush 23
if_icmplt 13
12: .line 153
fload 0 /* a */
freturn
13: .line 157
StackMap locals:
StackMap stack:
getstatic sun.java2d.marlin.FloatMath.$assertionsDisabled:Z
ifne 15
iload 2 /* exponent */
iflt 14
iload 2 /* exponent */
bipush 22
if_icmple 15
StackMap locals:
StackMap stack:
14: new java.lang.AssertionError
dup
invokespecial java.lang.AssertionError.<init>:()V
athrow
15: .line 159
StackMap locals:
StackMap stack:
iload 1 /* doppel */
16: .line 160
ldc 8388607
iload 2 /* exponent */
ishr
iconst_m1
ixor
17: .line 159
iand
istore 3 /* intpart */
start local 3 // int intpart
18: .line 162
iload 3 /* intpart */
iload 1 /* doppel */
if_icmpne 20
19: .line 163
fload 0 /* a */
freturn
20: .line 169
StackMap locals: int
StackMap stack:
iload 3 /* intpart */
invokestatic java.lang.Float.intBitsToFloat:(I)F
iload 3 /* intpart */
bipush 31
ishr
i2f
fadd
freturn
end local 3 // int intpart
end local 2 // int exponent
end local 1 // int doppel
end local 0 // float a
LocalVariableTable:
Start End Slot Name Signature
0 21 0 a F
1 21 1 doppel I
6 21 2 exponent I
18 21 3 intpart I
MethodParameters:
Name Flags
a final
public static int ceil_int(float);
descriptor: (F)I
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=2, locals=2, args_size=1
start local 0 // float a
0: .line 182
fload 0 /* a */
f2i
istore 1 /* intpart */
start local 1 // int intpart
1: .line 184
fload 0 /* a */
iload 1 /* intpart */
i2f
fcmpg
ifle 4
2: .line 185
iload 1 /* intpart */
ldc 2147483647
if_icmpeq 4
3: .line 186
fload 0 /* a */
invokestatic java.lang.Float.isNaN:(F)Z
ifeq 5
4: .line 187
StackMap locals: int
StackMap stack:
iload 1 /* intpart */
ireturn
5: .line 189
StackMap locals:
StackMap stack:
iload 1 /* intpart */
iconst_1
iadd
ireturn
end local 1 // int intpart
end local 0 // float a
LocalVariableTable:
Start End Slot Name Signature
0 6 0 a F
1 6 1 intpart I
MethodParameters:
Name Flags
a final
public static int ceil_int(double);
descriptor: (D)I
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=4, locals=3, args_size=1
start local 0 // double a
0: .line 202
dload 0 /* a */
d2i
istore 2 /* intpart */
start local 2 // int intpart
1: .line 204
dload 0 /* a */
iload 2 /* intpart */
i2d
dcmpg
ifle 4
2: .line 205
iload 2 /* intpart */
ldc 2147483647
if_icmpeq 4
3: .line 206
dload 0 /* a */
invokestatic java.lang.Double.isNaN:(D)Z
ifeq 5
4: .line 207
StackMap locals: int
StackMap stack:
iload 2 /* intpart */
ireturn
5: .line 209
StackMap locals:
StackMap stack:
iload 2 /* intpart */
iconst_1
iadd
ireturn
end local 2 // int intpart
end local 0 // double a
LocalVariableTable:
Start End Slot Name Signature
0 6 0 a D
1 6 2 intpart I
MethodParameters:
Name Flags
a final
public static int floor_int(float);
descriptor: (F)I
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=2, locals=2, args_size=1
start local 0 // float a
0: .line 222
fload 0 /* a */
f2i
istore 1 /* intpart */
start local 1 // int intpart
1: .line 224
fload 0 /* a */
iload 1 /* intpart */
i2f
fcmpl
ifge 4
2: .line 225
iload 1 /* intpart */
ldc -2147483648
if_icmpeq 4
3: .line 226
fload 0 /* a */
invokestatic java.lang.Float.isNaN:(F)Z
ifeq 5
4: .line 227
StackMap locals: int
StackMap stack:
iload 1 /* intpart */
ireturn
5: .line 229
StackMap locals:
StackMap stack:
iload 1 /* intpart */
iconst_1
isub
ireturn
end local 1 // int intpart
end local 0 // float a
LocalVariableTable:
Start End Slot Name Signature
0 6 0 a F
1 6 1 intpart I
MethodParameters:
Name Flags
a final
public static int floor_int(double);
descriptor: (D)I
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=4, locals=3, args_size=1
start local 0 // double a
0: .line 242
dload 0 /* a */
d2i
istore 2 /* intpart */
start local 2 // int intpart
1: .line 244
dload 0 /* a */
iload 2 /* intpart */
i2d
dcmpl
ifge 4
2: .line 245
iload 2 /* intpart */
ldc -2147483648
if_icmpeq 4
3: .line 246
dload 0 /* a */
invokestatic java.lang.Double.isNaN:(D)Z
ifeq 5
4: .line 247
StackMap locals: int
StackMap stack:
iload 2 /* intpart */
ireturn
5: .line 249
StackMap locals:
StackMap stack:
iload 2 /* intpart */
iconst_1
isub
ireturn
end local 2 // int intpart
end local 0 // double a
LocalVariableTable:
Start End Slot Name Signature
0 6 0 a D
1 6 2 intpart I
MethodParameters:
Name Flags
a final
}
SourceFile: "FloatMath.java"