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Commit 270e3381 authored by Jeff Brown's avatar Jeff Brown
Browse files

Add FloatMath.hypot. 

Change-Id: I6a5a7ea2254300614dbbf540f40e39dbec2d2900
parent 06565b64

api/current.txt

+1 −0
Original line number Diff line number Diff line
@@ -22876,6 +22876,7 @@ package android.util { 
    method public static float cos(float);

    method public static float exp(float);

    method public static float floor(float);

    method public static float hypot(float, float);

    method public static float sin(float);

    method public static float sqrt(float);

  }

core/java/android/util/FloatMath.java

+10 −0
Original line number Diff line number Diff line
@@ -80,4 +80,14 @@ public class FloatMath { 
     * @return the exponential of value

     */

    public static native float exp(float value);



    /**

     * Returns {@code sqrt(}<i>{@code x}</i><sup>{@code 2}</sup>{@code +} <i>

     * {@code y}</i><sup>{@code 2}</sup>{@code )}.

     *

     * @param x a float number

     * @param y a float number

     * @return the hypotenuse

     */

    public static native float hypot(float x, float y);

}

core/jni/android_util_FloatMath.cpp

+5 −0
Original line number Diff line number Diff line
@@ -29,6 +29,10 @@ public: 
    static float ExpF(JNIEnv* env, jobject clazz, float x) {

        return expf(x);

    }



    static float HypotF(JNIEnv* env, jobject clazz, float x, float y) {

        return hypotf(x, y);

    }

};



static JNINativeMethod gMathUtilsMethods[] = {
@@ -38,6 +42,7 @@ static JNINativeMethod gMathUtilsMethods[] = { 
    {"cos", "(F)F", (void*) MathUtilsGlue::CosF},

    {"sqrt", "(F)F", (void*) MathUtilsGlue::SqrtF},

    {"exp", "(F)F", (void*) MathUtilsGlue::ExpF},

    {"hypot", "(FF)F", (void*) MathUtilsGlue::HypotF},

};



int register_android_util_FloatMath(JNIEnv* env)