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Commit 1670dc9a authored by Jeff Brown's avatar Jeff Brown Committed by Android (Google) Code Review
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Merge "Add FloatMath.exp." into jb-mr1-dev

parents b7df3a71 5d728bb9

api/current.txt

+1 −0
Original line number Diff line number Diff line
@@ -22821,6 +22821,7 @@ package android.util { 
  public class FloatMath {

    method public static float ceil(float);

    method public static float cos(float);

    method public static float exp(float);

    method public static float floor(float);

    method public static float sin(float);

    method public static float sqrt(float);

core/java/android/util/FloatMath.java

+9 −0
Original line number Diff line number Diff line
@@ -71,4 +71,13 @@ public class FloatMath { 
     * @return the square root of value

     */

    public static native float sqrt(float value);



    /**

     * Returns the closest float approximation of the raising "e" to the power

     * of the argument.

     *

     * @param value to compute the exponential of

     * @return the exponential of value

     */

    public static native float exp(float value);

}

core/jni/android_util_FloatMath.cpp

+6 −1
Original line number Diff line number Diff line
@@ -25,6 +25,10 @@ public: 
    static float SqrtF(JNIEnv* env, jobject clazz, float x) {

        return sqrtf(x);

    }



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

        return expf(x);

    }

};



static JNINativeMethod gMathUtilsMethods[] = {
@@ -32,7 +36,8 @@ static JNINativeMethod gMathUtilsMethods[] = { 
    {"ceil", "(F)F", (void*) MathUtilsGlue::CeilF},

    {"sin", "(F)F", (void*) MathUtilsGlue::SinF},

    {"cos", "(F)F", (void*) MathUtilsGlue::CosF},

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

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

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

};



int register_android_util_FloatMath(JNIEnv* env)