MathUtils.smali
.class public Lorg/jbox2d/common/MathUtils;
.super Lorg/jbox2d/common/PlatformMathUtils;
.source "MathUtils.java"
# static fields
.field public static final DEG2RAD:F = 0.017453292f
.field public static final HALF_PI:F = 1.5707964f
.field public static final INV_PI:F = 0.31830987f
.field public static final PI:F = 3.1415927f
.field public static final QUARTER_PI:F = 0.7853982f
.field public static final RAD2DEG:F = 57.295776f
.field public static final THREE_HALVES_PI:F = 4.712389f
.field public static final TWOPI:F = 6.2831855f
.field public static final sinLUT:[F
# direct methods
.method static constructor <clinit>()V
.registers 4
.prologue
.line 72
sget v0, Lorg/jbox2d/common/Settings;->SINCOS_LUT_LENGTH:I
new-array v0, v0, [F
sput-object v0, Lorg/jbox2d/common/MathUtils;->sinLUT:[F
.line 75
const/4 v0, 0x0
:goto_7
sget v1, Lorg/jbox2d/common/Settings;->SINCOS_LUT_LENGTH:I
if-ge v0, v1, :cond_1d
.line 76
sget-object v1, Lorg/jbox2d/common/MathUtils;->sinLUT:[F
int-to-float v2, v0
const v3, 0x38e6afcd # 1.1E-4f
mul-float/2addr v2, v3
float-to-double v2, v2
invoke-static {v2, v3}, Ljava/lang/Math;->sin(D)D
move-result-wide v2
double-to-float v2, v2
aput v2, v1, v0
.line 75
add-int/lit8 v0, v0, 0x1
goto :goto_7
.line 78
:cond_1d
return-void
.end method
.method public constructor <init>()V
.registers 1
.prologue
.line 54
invoke-direct {p0}, Lorg/jbox2d/common/PlatformMathUtils;-><init>()V
return-void
.end method
.method public static final abs(F)F
.registers 2
.prologue
.line 126
sget-boolean v0, Lorg/jbox2d/common/Settings;->FAST_ABS:Z
if-eqz v0, :cond_c
.line 127
const/4 v0, 0x0
cmpl-float v0, p0, v0
if-lez v0, :cond_a
.line 129
:goto_9
return p0
.line 127
:cond_a
neg-float p0, p0
goto :goto_9
.line 129
:cond_c
invoke-static {p0}, Ljava/lang/StrictMath;->abs(F)F
move-result p0
goto :goto_9
.end method
.method public static final abs(I)I
.registers 3
.prologue
.line 138
shr-int/lit8 v0, p0, 0x1f
.line 139
xor-int v1, p0, v0
sub-int v0, v1, v0
return v0
.end method
.method public static final atan2(FF)F
.registers 6
.prologue
.line 268
sget-boolean v0, Lorg/jbox2d/common/Settings;->FAST_ATAN2:Z
if-eqz v0, :cond_9
.line 269
invoke-static {p0, p1}, Lorg/jbox2d/common/MathUtils;->fastAtan2(FF)F
move-result v0
.line 271
:goto_8
return v0
:cond_9
float-to-double v0, p0
float-to-double v2, p1
invoke-static {v0, v1, v2, v3}, Ljava/lang/StrictMath;->atan2(DD)D
move-result-wide v0
double-to-float v0, v0
goto :goto_8
.end method
.method public static final ceil(F)I
.registers 3
.prologue
.line 159
sget-boolean v0, Lorg/jbox2d/common/Settings;->FAST_CEIL:Z
if-eqz v0, :cond_9
.line 160
invoke-static {p0}, Lorg/jbox2d/common/MathUtils;->fastCeil(F)I
move-result v0
.line 162
:goto_8
return v0
:cond_9
float-to-double v0, p0
invoke-static {v0, v1}, Ljava/lang/StrictMath;->ceil(D)D
move-result-wide v0
double-to-int v0, v0
goto :goto_8
.end method
.method public static final ceilPowerOf2(I)I
.registers 2
.prologue
.line 189
const/4 v0, 0x1
.line 190
:goto_1
if-ge v0, p0, :cond_6
.line 191
shl-int/lit8 v0, v0, 0x1
goto :goto_1
.line 193
:cond_6
return v0
.end method
.method public static final clamp(FFF)F
.registers 4
.prologue
.line 221
invoke-static {p0, p2}, Lorg/jbox2d/common/MathUtils;->min(FF)F
move-result v0
invoke-static {p1, v0}, Lorg/jbox2d/common/MathUtils;->max(FF)F
move-result v0
return v0
.end method
.method public static final clamp(Lorg/jbox2d/common/Vec2;Lorg/jbox2d/common/Vec2;Lorg/jbox2d/common/Vec2;)Lorg/jbox2d/common/Vec2;
.registers 6
.prologue
.line 225
new-instance v1, Lorg/jbox2d/common/Vec2;
invoke-direct {v1}, Lorg/jbox2d/common/Vec2;-><init>()V
.line 226
iget v0, p0, Lorg/jbox2d/common/Vec2;->x:F
iget v2, p2, Lorg/jbox2d/common/Vec2;->x:F
cmpg-float v0, v0, v2
if-gez v0, :cond_36
iget v0, p0, Lorg/jbox2d/common/Vec2;->x:F
:goto_f
iput v0, v1, Lorg/jbox2d/common/Vec2;->x:F
.line 227
iget v0, p0, Lorg/jbox2d/common/Vec2;->y:F
iget v2, p2, Lorg/jbox2d/common/Vec2;->y:F
cmpg-float v0, v0, v2
if-gez v0, :cond_39
iget v0, p0, Lorg/jbox2d/common/Vec2;->y:F
:goto_1b
iput v0, v1, Lorg/jbox2d/common/Vec2;->y:F
.line 228
iget v0, p1, Lorg/jbox2d/common/Vec2;->x:F
iget v2, v1, Lorg/jbox2d/common/Vec2;->x:F
cmpl-float v0, v0, v2
if-lez v0, :cond_3c
iget v0, p1, Lorg/jbox2d/common/Vec2;->x:F
:goto_27
iput v0, v1, Lorg/jbox2d/common/Vec2;->x:F
.line 229
iget v0, p1, Lorg/jbox2d/common/Vec2;->y:F
iget v2, v1, Lorg/jbox2d/common/Vec2;->y:F
cmpl-float v0, v0, v2
if-lez v0, :cond_3f
iget v0, p1, Lorg/jbox2d/common/Vec2;->y:F
:goto_33
iput v0, v1, Lorg/jbox2d/common/Vec2;->y:F
.line 230
return-object v1
.line 226
:cond_36
iget v0, p2, Lorg/jbox2d/common/Vec2;->x:F
goto :goto_f
.line 227
:cond_39
iget v0, p2, Lorg/jbox2d/common/Vec2;->y:F
goto :goto_1b
.line 228
:cond_3c
iget v0, v1, Lorg/jbox2d/common/Vec2;->x:F
goto :goto_27
.line 229
:cond_3f
iget v0, v1, Lorg/jbox2d/common/Vec2;->y:F
goto :goto_33
.end method
.method public static final clampToOut(Lorg/jbox2d/common/Vec2;Lorg/jbox2d/common/Vec2;Lorg/jbox2d/common/Vec2;Lorg/jbox2d/common/Vec2;)V
.registers 6
.prologue
.line 234
iget v0, p0, Lorg/jbox2d/common/Vec2;->x:F
iget v1, p2, Lorg/jbox2d/common/Vec2;->x:F
cmpg-float v0, v0, v1
if-gez v0, :cond_31
iget v0, p0, Lorg/jbox2d/common/Vec2;->x:F
:goto_a
iput v0, p3, Lorg/jbox2d/common/Vec2;->x:F
.line 235
iget v0, p0, Lorg/jbox2d/common/Vec2;->y:F
iget v1, p2, Lorg/jbox2d/common/Vec2;->y:F
cmpg-float v0, v0, v1
if-gez v0, :cond_34
iget v0, p0, Lorg/jbox2d/common/Vec2;->y:F
:goto_16
iput v0, p3, Lorg/jbox2d/common/Vec2;->y:F
.line 236
iget v0, p1, Lorg/jbox2d/common/Vec2;->x:F
iget v1, p3, Lorg/jbox2d/common/Vec2;->x:F
cmpl-float v0, v0, v1
if-lez v0, :cond_37
iget v0, p1, Lorg/jbox2d/common/Vec2;->x:F
:goto_22
iput v0, p3, Lorg/jbox2d/common/Vec2;->x:F
.line 237
iget v0, p1, Lorg/jbox2d/common/Vec2;->y:F
iget v1, p3, Lorg/jbox2d/common/Vec2;->y:F
cmpl-float v0, v0, v1
if-lez v0, :cond_3a
iget v0, p1, Lorg/jbox2d/common/Vec2;->y:F
:goto_2e
iput v0, p3, Lorg/jbox2d/common/Vec2;->y:F
.line 238
return-void
.line 234
:cond_31
iget v0, p2, Lorg/jbox2d/common/Vec2;->x:F
goto :goto_a
.line 235
:cond_34
iget v0, p2, Lorg/jbox2d/common/Vec2;->y:F
goto :goto_16
.line 236
:cond_37
iget v0, p3, Lorg/jbox2d/common/Vec2;->x:F
goto :goto_22
.line 237
:cond_3a
iget v0, p3, Lorg/jbox2d/common/Vec2;->y:F
goto :goto_2e
.end method
.method public static final cos(F)F
.registers 3
.prologue
.line 118
sget-boolean v0, Lorg/jbox2d/common/Settings;->SINCOS_LUT_ENABLED:Z
if-eqz v0, :cond_d
.line 119
const v0, 0x3fc90fdb
sub-float/2addr v0, p0
invoke-static {v0}, Lorg/jbox2d/common/MathUtils;->sinLUT(F)F
move-result v0
.line 121
:goto_c
return v0
:cond_d
float-to-double v0, p0
invoke-static {v0, v1}, Ljava/lang/StrictMath;->cos(D)D
move-result-wide v0
double-to-float v0, v0
goto :goto_c
.end method
.method public static final distance(Lorg/jbox2d/common/Vec2;Lorg/jbox2d/common/Vec2;)F
.registers 3
.prologue
.line 326
invoke-static {p0, p1}, Lorg/jbox2d/common/MathUtils;->distanceSquared(Lorg/jbox2d/common/Vec2;Lorg/jbox2d/common/Vec2;)F
move-result v0
invoke-static {v0}, Lorg/jbox2d/common/MathUtils;->sqrt(F)F
move-result v0
return v0
.end method
.method public static final distanceSquared(Lorg/jbox2d/common/Vec2;Lorg/jbox2d/common/Vec2;)F
.registers 5
.prologue
.line 320
iget v0, p0, Lorg/jbox2d/common/Vec2;->x:F
iget v1, p1, Lorg/jbox2d/common/Vec2;->x:F
sub-float/2addr v0, v1
.line 321
iget v1, p0, Lorg/jbox2d/common/Vec2;->y:F
iget v2, p1, Lorg/jbox2d/common/Vec2;->y:F
sub-float/2addr v1, v2
.line 322
mul-float/2addr v0, v0
mul-float/2addr v1, v1
add-float/2addr v0, v1
return v0
.end method
.method public static final fastAbs(F)F
.registers 2
.prologue
.line 134
const/4 v0, 0x0
cmpl-float v0, p0, v0
if-lez v0, :cond_6
:goto_5
return p0
:cond_6
neg-float p0, p0
goto :goto_5
.end method
.method public static final fastAtan2(FF)F
.registers 9
.prologue
const v0, 0x3fc90fdb
const/high16 v6, 0x3f800000 # 1.0f
const v5, 0x3e8f5c29 # 0.28f
const v4, 0x40490fdb # (float)Math.PI
const/4 v1, 0x0
.line 276
cmpl-float v2, p1, v1
if-nez v2, :cond_1f
.line 277
cmpl-float v2, p0, v1
if-lez v2, :cond_15
.line 293
:cond_14
:goto_14
return v0
.line 278
:cond_15
cmpl-float v0, p0, v1
if-nez v0, :cond_1b
move v0, v1
goto :goto_14
.line 279
:cond_1b
const v0, -0x4036f025
goto :goto_14
.line 282
:cond_1f
div-float v2, p0, p1
.line 283
invoke-static {v2}, Lorg/jbox2d/common/MathUtils;->abs(F)F
move-result v3
cmpg-float v3, v3, v6
if-gez v3, :cond_3b
.line 284
mul-float v0, v5, v2
mul-float/2addr v0, v2
add-float/2addr v0, v6
div-float v0, v2, v0
.line 285
cmpg-float v2, p1, v1
if-gez v2, :cond_14
.line 286
cmpg-float v1, p0, v1
if-gez v1, :cond_39
sub-float/2addr v0, v4
goto :goto_14
.line 287
:cond_39
add-float/2addr v0, v4
goto :goto_14
.line 290
:cond_3b
mul-float v3, v2, v2
add-float/2addr v3, v5
div-float/2addr v2, v3
sub-float/2addr v0, v2
.line 291
cmpg-float v1, p0, v1
if-gez v1, :cond_14
sub-float/2addr v0, v4
goto :goto_14
.end method
.method public static final fastCeil(F)I
.registers 3
.prologue
.line 167
float-to-int v0, p0
.line 168
int-to-float v1, v0
cmpl-float v1, p0, v1
if-lez v1, :cond_8
.line 169
add-int/lit8 v0, v0, 0x1
.line 171
:cond_8
return v0
.end method
.method public static final fastFloor(F)I
.registers 3
.prologue
.line 151
float-to-int v0, p0
.line 152
int-to-float v1, v0
cmpg-float v1, p0, v1
if-gez v1, :cond_8
.line 153
add-int/lit8 v0, v0, -0x1
.line 155
:cond_8
return v0
.end method
.method public static final floor(F)I
.registers 3
.prologue
.line 143
sget-boolean v0, Lorg/jbox2d/common/Settings;->FAST_FLOOR:Z
if-eqz v0, :cond_9
.line 144
invoke-static {p0}, Lorg/jbox2d/common/MathUtils;->fastFloor(F)I
move-result v0
.line 146
:goto_8
return v0
:cond_9
float-to-double v0, p0
invoke-static {v0, v1}, Ljava/lang/StrictMath;->floor(D)D
move-result-wide v0
double-to-int v0, v0
goto :goto_8
.end method
.method public static final isPowerOfTwo(I)Z
.registers 2
.prologue
.line 256
if-lez p0, :cond_9
add-int/lit8 v0, p0, -0x1
and-int/2addr v0, p0
if-nez v0, :cond_9
const/4 v0, 0x1
:goto_8
return v0
:cond_9
const/4 v0, 0x0
goto :goto_8
.end method
.method public static final map(FFFFF)F
.registers 7
.prologue
.line 214
sub-float v0, p0, p1
sub-float v1, p2, p1
div-float/2addr v0, v1
.line 215
sub-float v1, p4, p3
mul-float/2addr v0, v1
add-float/2addr v0, p3
.line 216
return v0
.end method
.method public static final max(FF)F
.registers 3
.prologue
.line 197
cmpl-float v0, p0, p1
if-lez v0, :cond_5
:goto_4
return p0
:cond_5
move p0, p1
goto :goto_4
.end method
.method public static final max(II)I
.registers 2
.prologue
.line 201
if-le p0, p1, :cond_3
:goto_2
return p0
:cond_3
move p0, p1
goto :goto_2
.end method
.method public static final min(FF)F
.registers 3
.prologue
.line 205
cmpg-float v0, p0, p1
if-gez v0, :cond_5
:goto_4
return p0
:cond_5
move p0, p1
goto :goto_4
.end method
.method public static final min(II)I
.registers 2
.prologue
.line 209
if-ge p0, p1, :cond_3
:goto_2
return p0
:cond_3
move p0, p1
goto :goto_2
.end method
.method public static final nextPowerOfTwo(I)I
.registers 3
.prologue
.line 247
shr-int/lit8 v0, p0, 0x1
or-int/2addr v0, p0
.line 248
shr-int/lit8 v1, v0, 0x2
or-int/2addr v0, v1
.line 249
shr-int/lit8 v1, v0, 0x4
or-int/2addr v0, v1
.line 250
shr-int/lit8 v1, v0, 0x8
or-int/2addr v0, v1
.line 251
shr-int/lit8 v1, v0, 0x10
or-int/2addr v0, v1
.line 252
add-int/lit8 v0, v0, 0x1
return v0
.end method
.method public static final pow(FF)F
.registers 6
.prologue
.line 260
sget-boolean v0, Lorg/jbox2d/common/Settings;->FAST_POW:Z
if-eqz v0, :cond_9
.line 261
invoke-static {p0, p1}, Lorg/jbox2d/common/MathUtils;->fastPow(FF)F
move-result v0
.line 263
:goto_8
return v0
:cond_9
float-to-double v0, p0
float-to-double v2, p1
invoke-static {v0, v1, v2, v3}, Ljava/lang/StrictMath;->pow(DD)D
move-result-wide v0
double-to-float v0, v0
goto :goto_8
.end method
.method public static final randomFloat(FF)F
.registers 4
.prologue
.line 308
invoke-static {}, Ljava/lang/Math;->random()D
move-result-wide v0
double-to-float v0, v0
sub-float v1, p1, p0
mul-float/2addr v0, v1
add-float/2addr v0, p0
return v0
.end method
.method public static final randomFloat(Ljava/util/Random;FF)F
.registers 5
.prologue
.line 312
invoke-virtual {p0}, Ljava/util/Random;->nextFloat()F
move-result v0
sub-float v1, p2, p1
mul-float/2addr v0, v1
add-float/2addr v0, p1
return v0
.end method
.method public static final reduceAngle(F)F
.registers 5
.prologue
const v2, 0x40c90fdb
const v3, 0x40490fdb # (float)Math.PI
.line 297
rem-float v0, p0, v2
.line 298
invoke-static {v0}, Lorg/jbox2d/common/MathUtils;->abs(F)F
move-result v1
cmpl-float v1, v1, v3
if-lez v1, :cond_11
.line 299
sub-float/2addr v0, v2
.line 301
:cond_11
invoke-static {v0}, Lorg/jbox2d/common/MathUtils;->abs(F)F
move-result v1
const v2, 0x3fc90fdb
cmpl-float v1, v1, v2
if-lez v1, :cond_1e
.line 302
sub-float v0, v3, v0
.line 304
:cond_1e
return v0
.end method
.method public static final round(F)I
.registers 2
.prologue
.line 175
sget-boolean v0, Lorg/jbox2d/common/Settings;->FAST_ROUND:Z
if-eqz v0, :cond_c
.line 176
const/high16 v0, 0x3f000000 # 0.5f
add-float/2addr v0, p0
invoke-static {v0}, Lorg/jbox2d/common/MathUtils;->floor(F)I
move-result v0
.line 178
:goto_b
return v0
:cond_c
invoke-static {p0}, Ljava/lang/StrictMath;->round(F)I
move-result v0
goto :goto_b
.end method
.method public static final sin(F)F
.registers 3
.prologue
.line 81
sget-boolean v0, Lorg/jbox2d/common/Settings;->SINCOS_LUT_ENABLED:Z
if-eqz v0, :cond_9
.line 82
invoke-static {p0}, Lorg/jbox2d/common/MathUtils;->sinLUT(F)F
move-result v0
.line 84
:goto_8
return v0
:cond_9
float-to-double v0, p0
invoke-static {v0, v1}, Ljava/lang/StrictMath;->sin(D)D
move-result-wide v0
double-to-float v0, v0
goto :goto_8
.end method
.method public static final sinLUT(F)F
.registers 6
.prologue
const v4, 0x40c90fdb
const/high16 v3, 0x3f800000 # 1.0f
const v2, 0x38e6afcd # 1.1E-4f
.line 89
rem-float v0, p0, v4
.line 91
const/4 v1, 0x0
cmpg-float v1, v0, v1
if-gez v1, :cond_10
.line 92
add-float/2addr v0, v4
.line 95
:cond_10
sget-boolean v1, Lorg/jbox2d/common/Settings;->SINCOS_LUT_LERP:Z
if-eqz v1, :cond_3f
.line 97
div-float/2addr v0, v2
.line 99
float-to-int v1, v0
.line 101
if-eqz v1, :cond_1a
.line 102
int-to-float v2, v1
rem-float/2addr v0, v2
.line 106
:cond_1a
sget v2, Lorg/jbox2d/common/Settings;->SINCOS_LUT_LENGTH:I
add-int/lit8 v2, v2, -0x1
if-ne v1, v2, :cond_2f
.line 107
sub-float v2, v3, v0
sget-object v3, Lorg/jbox2d/common/MathUtils;->sinLUT:[F
aget v1, v3, v1
mul-float/2addr v1, v2
sget-object v2, Lorg/jbox2d/common/MathUtils;->sinLUT:[F
const/4 v3, 0x0
aget v2, v2, v3
mul-float/2addr v0, v2
add-float/2addr v0, v1
.line 113
:goto_2e
return v0
.line 109
:cond_2f
sub-float v2, v3, v0
sget-object v3, Lorg/jbox2d/common/MathUtils;->sinLUT:[F
aget v3, v3, v1
mul-float/2addr v2, v3
sget-object v3, Lorg/jbox2d/common/MathUtils;->sinLUT:[F
add-int/lit8 v1, v1, 0x1
aget v1, v3, v1
mul-float/2addr v0, v1
add-float/2addr v0, v2
goto :goto_2e
.line 113
:cond_3f
sget-object v1, Lorg/jbox2d/common/MathUtils;->sinLUT:[F
div-float/2addr v0, v2
invoke-static {v0}, Lorg/jbox2d/common/MathUtils;->round(F)I
move-result v0
sget v2, Lorg/jbox2d/common/Settings;->SINCOS_LUT_LENGTH:I
rem-int/2addr v0, v2
aget v0, v1, v0
goto :goto_2e
.end method
.method public static final sqrt(F)F
.registers 3
.prologue
.line 316
float-to-double v0, p0
invoke-static {v0, v1}, Ljava/lang/StrictMath;->sqrt(D)D
move-result-wide v0
double-to-float v0, v0
return v0
.end method