am ad2a1592: Merge "Enable multiple benign overflow conditions." (c6a6c6de) · Commits · e / os / android_frameworks_native

libs/input/VelocityTracker.cpp

+6 −3

Original line number	Diff line number	Diff line
		@@ -46,7 +46,8 @@ static const nsecs_t ASSUME_POINTER_STOPPED_TIME = 40 * NANOS_PER_MS;

		static float vectorDot(const float* a, const float* b, uint32_t m) {
		float r = 0;
		while (m--) {
		while (m) {
		m--;
		r += (a++) *(b++);
		}
		return r;
		@@ -54,7 +55,8 @@ static float vectorDot(const float* a, const float* b, uint32_t m) {

		static float vectorNorm(const float* a, uint32_t m) {
		float r = 0;
		while (m--) {
		while (m) {
		m--;
		float t = *(a++);
		r += t * t;
		}
		@@ -511,7 +513,8 @@ static bool solveLeastSquares(const float* x, const float* y,
		for (uint32_t h = 0; h < m; h++) {
		wy[h] = y[h] * w[h];
		}
		for (uint32_t i = n; i-- != 0; ) {
		for (uint32_t i = n; i != 0; ) {
		i--;
		outB[i] = vectorDot(&q[i][0], wy, m);
		for (uint32_t j = n - 1; j > i; j--) {
		outB[i] -= r[i][j] * outB[j];