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aherbert pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-numbers.git
commit bdaecba1eb69fc44349362640230c93ce1a07366
Author: aherbert <aherb...@apache.org>
AuthorDate: Thu Dec 19 16:23:34 2019 +0000
Use final
---
.../apache/commons/numbers/complex/Complex.java | 62 +++++++++++-----------
1 file changed, 31 insertions(+), 31 deletions(-)
diff --git
a/commons-numbers-complex/src/main/java/org/apache/commons/numbers/complex/Complex.java
b/commons-numbers-complex/src/main/java/org/apache/commons/numbers/complex/Complex.java
index f1244c7..7577ddf 100644
---
a/commons-numbers-complex/src/main/java/org/apache/commons/numbers/complex/Complex.java
+++
b/commons-numbers-complex/src/main/java/org/apache/commons/numbers/complex/Complex.java
@@ -1315,8 +1315,8 @@ public final class Complex implements Serializable {
private static Complex acos(final double real, final double imaginary,
final ComplexConstructor constructor) {
// Compute with positive values and determine sign at the end
- double x = Math.abs(real);
- double y = Math.abs(imaginary);
+ final double x = Math.abs(real);
+ final double y = Math.abs(imaginary);
// The result (without sign correction)
double re;
double im;
@@ -1350,20 +1350,20 @@ public final class Complex implements Serializable {
return constructor.create(x == 0 ? PI_OVER_2 :
Math.acos(real), -imaginary);
}
- double xp1 = x + 1;
- double xm1 = x - 1;
+ final double xp1 = x + 1;
+ final double xm1 = x - 1;
if ((x < SAFE_MAX) && (x > SAFE_MIN) && (y < SAFE_MAX) && (y >
SAFE_MIN)) {
- double yy = y * y;
- double r = Math.sqrt(xp1 * xp1 + yy);
- double s = Math.sqrt(xm1 * xm1 + yy);
- double a = 0.5 * (r + s);
- double b = x / a;
+ final double yy = y * y;
+ final double r = Math.sqrt(xp1 * xp1 + yy);
+ final double s = Math.sqrt(xm1 * xm1 + yy);
+ final double a = 0.5 * (r + s);
+ final double b = x / a;
if (b <= B_CROSSOVER) {
re = Math.acos(b);
} else {
- double apx = a + x;
+ final double apx = a + x;
if (x <= 1) {
re = Math.atan(Math.sqrt(0.5 * apx * (yy / (r + xp1) +
(s - xm1))) / x);
} else {
@@ -1414,11 +1414,11 @@ public final class Complex implements Serializable {
im = LN_2 + Math.log(y);
} else if (x > 1) {
re = Math.atan(y / x);
- double xoy = x / y;
+ final double xoy = x / y;
im = LN_2 + Math.log(y) + 0.5 * Math.log1p(xoy * xoy);
} else {
re = PI_OVER_2;
- double a = Math.sqrt(1 + y * y);
+ final double a = Math.sqrt(1 + y * y);
im = 0.5 * Math.log1p(2 * y * (y + a));
}
}
@@ -1483,8 +1483,8 @@ public final class Complex implements Serializable {
private static Complex asin(final double real, final double imaginary,
final ComplexConstructor constructor) {
// Compute with positive values and determine sign at the end
- double x = Math.abs(real);
- double y = Math.abs(imaginary);
+ final double x = Math.abs(real);
+ final double y = Math.abs(imaginary);
// The result (without sign correction)
double re;
double im;
@@ -1521,20 +1521,20 @@ public final class Complex implements Serializable {
return constructor.create(Math.asin(real), imaginary);
}
- double xp1 = x + 1;
- double xm1 = x - 1;
+ final double xp1 = x + 1;
+ final double xm1 = x - 1;
if ((x < SAFE_MAX) && (x > SAFE_MIN) && (y < SAFE_MAX) && (y >
SAFE_MIN)) {
- double yy = y * y;
- double r = Math.sqrt(xp1 * xp1 + yy);
- double s = Math.sqrt(xm1 * xm1 + yy);
- double a = 0.5 * (r + s);
- double b = x / a;
+ final double yy = y * y;
+ final double r = Math.sqrt(xp1 * xp1 + yy);
+ final double s = Math.sqrt(xm1 * xm1 + yy);
+ final double a = 0.5 * (r + s);
+ final double b = x / a;
if (b <= B_CROSSOVER) {
re = Math.asin(b);
} else {
- double apx = a + x;
+ final double apx = a + x;
if (x <= 1) {
re = Math.atan(x / Math.sqrt(0.5 * apx * (yy / (r +
xp1) + (s - xm1))));
} else {
@@ -1583,10 +1583,10 @@ public final class Complex implements Serializable {
im = LN_2 + Math.log(y);
} else if (x > 1) {
re = Math.atan(x / y);
- double xoy = x / y;
+ final double xoy = x / y;
im = LN_2 + Math.log(y) + 0.5 * Math.log1p(xoy * xoy);
} else {
- double a = Math.sqrt(1 + y * y);
+ final double a = Math.sqrt(1 + y * y);
// Possible underflow:
re = x / a;
im = 0.5 * Math.log1p(2 * y * (y + a));
@@ -1693,8 +1693,8 @@ public final class Complex implements Serializable {
private static Complex atanh(final double real, final double imaginary,
final ComplexConstructor constructor) {
// Compute with positive values and determine sign at the end
- double x = Math.abs(real);
- double y = Math.abs(imaginary);
+ final double x = Math.abs(real);
+ final double y = Math.abs(imaginary);
// The result (without sign correction)
double re;
double im;
@@ -1731,8 +1731,8 @@ public final class Complex implements Serializable {
// Normal computation within a safe region.
// minus x plus 1: (-x+1)
- double mxp1 = 1 - x;
- double yy = y * y;
+ final double mxp1 = 1 - x;
+ final double yy = y * y;
// The definition of real component is:
// real = log( ((x+1)^2+y^2) / ((1-x)^2+y^2) ) / 4
// This simplifies by adding 1 and subtracting 1 as a fraction:
@@ -1785,7 +1785,7 @@ public final class Complex implements Serializable {
} else if (y >= SAFE_UPPER) {
if (x > 1) {
// Big y, medium x, divide through by y:
- double mxp1 = 1 - x;
+ final double mxp1 = 1 - x;
re = Math.log1p((4 * x / y) / (y + mxp1 * mxp1 / y));
} else {
// Big y, small x, as above but neglect (1-x)^2/y:
@@ -1796,7 +1796,7 @@ public final class Complex implements Serializable {
} else if (x != 1) {
// Modified from boost which checks y > SAFE_LOWER.
// if y*y -> 0 it will be ignored so always include it.
- double mxp1 = 1 - x;
+ final double mxp1 = 1 - x;
re = Math.log1p((4 * x) / (mxp1 * mxp1 + y * y));
} else {
// x = 1, small y:
@@ -2324,7 +2324,7 @@ public final class Complex implements Serializable {
return new Complex(sqrtAbs, imaginary);
}
// Get the absolute of the real
- double absA = Math.abs(real);
+ final double absA = Math.abs(real);
// Compute |a + b i|
double absC = getAbsolute(real, imaginary);
