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Remove methods that were calling the "Math" implementation.

This commit is contained in:
Gilles Sadowski 2021-10-17 02:03:42 +02:00
parent 22753536f4
commit e052d9dc53
2 changed files with 7 additions and 24 deletions
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27
commons-math-core/src/main/java/org/apache/commons/math4/core/jdkmath/AccurateMath.java
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@ -375,15 +375,6 @@ public final class AccurateMath {
return Double.longBitsToDouble(xl);
}
/** Compute the square root of a number.
* <p><b>Note:</b> this implementation currently delegates to {@link Math#sqrt}
* @param a number on which evaluation is done
* @return square root of a
*/
public static double sqrt(final double a) {
return Math.sqrt(a);
}
/** Compute the hyperbolic cosine of a number.
* @param x number on which evaluation is done
* @return hyperbolic cosine of x
@ -705,7 +696,7 @@ public final class AccurateMath {
* @return inverse hyperbolic cosine of a
*/
public static double acosh(final double a) {
return AccurateMath.log(a + AccurateMath.sqrt(a * a - 1));
return AccurateMath.log(a + Math.sqrt(a * a - 1));
}
/** Compute the inverse hyperbolic sine of a number.
@ -721,7 +712,7 @@ public final class AccurateMath {
double absAsinh;
if (a > 0.167) {
absAsinh = AccurateMath.log(AccurateMath.sqrt(a * a + 1) + a);
absAsinh = AccurateMath.log(Math.sqrt(a * a + 1) + a);
} else {
final double a2 = a * a;
if (a > 0.097) {
@ -820,14 +811,6 @@ public final class AccurateMath {
return nextAfter(a, Float.NEGATIVE_INFINITY);
}
/** Returns a pseudo-random number between 0.0 and 1.0.
* <p><b>Note:</b> this implementation currently delegates to {@link Math#random}
* @return a random number between 0.0 and 1.0
*/
public static double random() {
return Math.random();
}
/**
* Exponential function.
*
@ -2801,7 +2784,7 @@ public final class AccurateMath {
/* Square root */
double y;
y = sqrt(za);
y = Math.sqrt(za);
temp = y * HEX_40000000;
ya = y + temp - temp;
yb = y - ya;
@ -2876,7 +2859,7 @@ public final class AccurateMath {
za = temp;
/* Square root */
double y = sqrt(za);
double y = Math.sqrt(za);
temp = y * HEX_40000000;
ya = y + temp - temp;
yb = y - ya;
@ -3682,7 +3665,7 @@ public final class AccurateMath {
final double scaledY = scalb(y, -middleExp);
// compute scaled hypotenuse
final double scaledH = sqrt(scaledX * scaledX + scaledY * scaledY);
final double scaledH = Math.sqrt(scaledX * scaledX + scaledY * scaledY);
// remove scaling
return scalb(scaledH, middleExp);

4
commons-math-core/src/main/java/org/apache/commons/math4/core/jdkmath/JdkMath.java
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@ -284,7 +284,7 @@ public final class JdkMath {
NEXTUP_FLOAT = AccurateMath::nextUp;
NEXTUP_DOUBLE = AccurateMath::nextUp;
POW = AccurateMath::pow;
RANDOM = AccurateMath::random;
RANDOM = Math::random; // Not implemented.
RINT = AccurateMath::rint;
ROUND_DOUBLE = AccurateMath::round;
ROUND_FLOAT = AccurateMath::round;
@ -292,7 +292,7 @@ public final class JdkMath {
SCALB_FLOAT = AccurateMath::scalb;
SIGNUM_DOUBLE = AccurateMath::signum;
SIGNUM_FLOAT = AccurateMath::signum;
SQRT = AccurateMath::sqrt;
SQRT = Math::sqrt; // Not implemented.
SIN = AccurateMath::sin;
SINH = AccurateMath::sinh;
SUBTRACTEXACT_INT = AccurateMath::subtractExact;