1 #include "jni.h" 2 #include <android_runtime/AndroidRuntime.h> 3 #include <math.h> 4 #include <float.h> 5 #include "SkTypes.h" 6 7 class MathUtilsGlue { 8 public: 9 static float FloorF(JNIEnv* env, jobject clazz, float x) { 10 return floorf(x); 11 } 12 13 static float CeilF(JNIEnv* env, jobject clazz, float x) { 14 return ceilf(x); 15 } 16 17 static float SinF(JNIEnv* env, jobject clazz, float x) { 18 return sinf(x); 19 } 20 21 static float CosF(JNIEnv* env, jobject clazz, float x) { 22 return cosf(x); 23 } 24 25 static float SqrtF(JNIEnv* env, jobject clazz, float x) { 26 return sqrtf(x); 27 } 28 29 static float ExpF(JNIEnv* env, jobject clazz, float x) { 30 return expf(x); 31 } 32 33 static float PowF(JNIEnv* env, jobject clazz, float x, float y) { 34 return powf(x, y); 35 } 36 37 static float HypotF(JNIEnv* env, jobject clazz, float x, float y) { 38 return hypotf(x, y); 39 } 40 }; 41 42 static JNINativeMethod gMathUtilsMethods[] = { 43 {"floor", "(F)F", (void*) MathUtilsGlue::FloorF}, 44 {"ceil", "(F)F", (void*) MathUtilsGlue::CeilF}, 45 {"sin", "(F)F", (void*) MathUtilsGlue::SinF}, 46 {"cos", "(F)F", (void*) MathUtilsGlue::CosF}, 47 {"sqrt", "(F)F", (void*) MathUtilsGlue::SqrtF}, 48 {"exp", "(F)F", (void*) MathUtilsGlue::ExpF}, 49 {"pow", "(FF)F", (void*) MathUtilsGlue::PowF}, 50 {"hypot", "(FF)F", (void*) MathUtilsGlue::HypotF}, 51 }; 52 53 int register_android_util_FloatMath(JNIEnv* env) 54 { 55 int result = android::AndroidRuntime::registerNativeMethods(env, 56 "android/util/FloatMath", 57 gMathUtilsMethods, 58 SK_ARRAY_COUNT(gMathUtilsMethods)); 59 return result; 60 } 61 62
