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8302026: Port fdlibm inverse trig functions (asin, acos, atan) to Java

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Reviewed-by: bpb
This commit is contained in:
Joe Darcy 2023-02-15 22:16:30 +00:00
parent 861e302011
commit 3ba156082b
6 changed files with 994 additions and 8 deletions
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12
src/java.base/share/classes/java/lang/StrictMath.java
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@ -164,7 +164,9 @@ public final class StrictMath {
* @param a the value whose arc sine is to be returned.
* @return the arc sine of the argument.
*/
public static native double asin(double a);
public static double asin(double a) {
return FdLibm.Asin.compute(a);
}
/**
* Returns the arc cosine of a value; the returned angle is in the
@ -177,7 +179,9 @@ public final class StrictMath {
* @param a the value whose arc cosine is to be returned.
* @return the arc cosine of the argument.
*/
public static native double acos(double a);
public static double acos(double a) {
return FdLibm.Acos.compute(a);
}
/**
* Returns the arc tangent of a value; the returned angle is in the
@ -193,7 +197,9 @@ public final class StrictMath {
* @param a the value whose arc tangent is to be returned.
* @return the arc tangent of the argument.
*/
public static native double atan(double a);
public static double atan(double a) {
return FdLibm.Atan.compute(a);
}
/**
* Converts an angle measured in degrees to an approximately