@LATTICE("B<T")
-@METHODDEFAULT("OUT<IN")
+@METHODDEFAULT("OUT<IN,OUT<THIS,,IN*,THISLOC=THIS,RETURNLOC=OUT")
public class Math {
- @LOC("T") static final double PI=3.14159265358979323846;
+ @LOC("T")
+ static final double PI = 3.14159265358979323846;
// an alias for setPI()
public static double PI() {
return PI;
}
- public static int abs(int x) {
- return (x<0)?-x:x;
+ public static int abs(@LOC("IN") int x) {
+ return (x < 0) ? -x : x;
}
public static long abs(long x) {
- return (x<0)?-x:x;
+ return (x < 0) ? -x : x;
}
public static double abs(double x) {
- return (x<0)?-x:x;
+ return (x < 0) ? -x : x;
}
- public static float abs(float x) {
- return (x<0)?-x:x;
+ public static float abs(@LOC("IN") float x) {
+ return (x < 0) ? -x : x;
}
public static double max(double a, double b) {
- return (a>b)?a:b;
+ return (a > b) ? a : b;
}
- public static float max(float a, float b) {
- return (a>b)?a:b;
+ public static float max(@LOC("IN") float a, @LOC("IN") float b) {
+ return (a > b) ? a : b;
}
- public static int max(int a, int b) {
- return (a>b)?a:b;
+ public static int max(@LOC("IN") int a, @LOC("IN") int b) {
+ return (a > b) ? a : b;
}
public static long max(long a, long b) {
- return (a>b)?a:b;
+ return (a > b) ? a : b;
}
- public static double min(double a, double b) {
- return (a<b)?a:b;
+ @RETURNLOC("IN")
+ public static double min(@LOC("IN") double a, @LOC("IN") double b) {
+ return (a < b) ? a : b;
}
@RETURNLOC("IN")
public static float min(@LOC("IN") float a, @LOC("IN") float b) {
- return (a<b)?a:b;
+ return (a < b) ? a : b;
}
- @RETURNLOC("IN")
+ @RETURNLOC("OUT")
+ @PCLOC("IN")
public static int min(@LOC("IN") int a, @LOC("IN") int b) {
- return (a<b)?a:b;
+ return (a < b) ? a : b;
}
@RETURNLOC("IN")
public static long min(@LOC("IN") long a, @LOC("IN") long b) {
- return (a<b)?a:b;
+ return (a < b) ? a : b;
}
/** sqrt(a^2 + b^2) without under/overflow. **/
public static double hypot(double a, double b) {
double r;
if (abs(a) > abs(b)) {
- r = b/a;
- r = abs(a)*sqrt(1+r*r);
+ r = b / a;
+ r = abs(a) * sqrt(1 + r * r);
} else if (b != 0) {
- r = a/b;
- r = abs(b)*sqrt(1+r*r);
+ r = a / b;
+ r = abs(b) * sqrt(1 + r * r);
} else {
r = 0.0;
}
return r;
}
+ public static int round(@LOC("IN") float a) {
+ // this check for NaN, from JLS 15.21.1, saves a method call
+ return (int) floor(a + 0.5f);
+ }
+
public static double rint(double x) {
double y = ceil(x);
double d = y - x;
- if( d == 0.5 ) {
- if( ((int)y)%2 == 0 ) {
+ if (d == 0.5) {
+ if (((int) y) % 2 == 0) {
return y;
} else {
return y - 1.0;
}
- } else if( d < 0.5 ) {
+ } else if (d < 0.5) {
return y;
}
return y - 1.0;
}
public static native double sin(double a);
+
public static native double cos(double a);
+
public static native double asin(double a);
+
public static native double acos(double a);
+
public static native double tan(double a);
+
public static native double atan(double a);
+
public static native double atan2(double a, double b);
+
public static native double exp(double a);
+
public static native double sqrt(double a);
+
public static native double log(double a);
- public static native double pow(double a, double b);
+
+ @RETURNLOC("OUT")
+ public static native double pow(@LOC("IN") double a, @LOC("IN") double b);
public static native double ceil(double a);
+
public static native double floor(double a);
public static native float sinf(float a);
+
public static native float cosf(float a);
+
public static native float expf(float a);
+
public static native float sqrtf(float a);
+
public static native float logf(float a);
+
public static native float powf(float a, float b);
+
public static native float ceilf(float a);
+
public static native float IEEEremainder(float f1, float f2);
}