package androidx.constraintlayout.motion.utils; import com.jsyn.unitgen.u; import java.lang.reflect.Array; /* JADX INFO: loaded from: classes.dex */ public class MonotonicCurveFit extends CurveFit { private static final String TAG = "MonotonicCurveFit"; private double[] mT; private double[][] mTangent; private double[][] mY; public MonotonicCurveFit(double[] dArr, double[][] dArr2) { int length = dArr.length; int length2 = dArr2[0].length; int i2 = length - 1; Class cls = Double.TYPE; double[][] dArr3 = (double[][]) Array.newInstance((Class) cls, i2, length2); double[][] dArr4 = (double[][]) Array.newInstance((Class) cls, length, length2); for (int i3 = 0; i3 < length2; i3++) { int i4 = 0; while (i4 < i2) { int i5 = i4 + 1; double d2 = dArr[i5] - dArr[i4]; double[] dArr5 = dArr3[i4]; double d3 = (dArr2[i5][i3] - dArr2[i4][i3]) / d2; dArr5[i3] = d3; if (i4 == 0) { dArr4[i4][i3] = d3; } else { dArr4[i4][i3] = (dArr3[i4 - 1][i3] + d3) * 0.5d; } i4 = i5; } dArr4[i2][i3] = dArr3[length - 2][i3]; } for (int i6 = 0; i6 < i2; i6++) { for (int i7 = 0; i7 < length2; i7++) { double d4 = dArr3[i6][i7]; if (d4 == u.FALSE) { dArr4[i6][i7] = 0.0d; dArr4[i6 + 1][i7] = 0.0d; } else { double d5 = dArr4[i6][i7] / d4; int i8 = i6 + 1; double d6 = dArr4[i8][i7] / d4; double dHypot = Math.hypot(d5, d6); if (dHypot > 9.0d) { double d7 = 3.0d / dHypot; double[] dArr6 = dArr4[i6]; double[] dArr7 = dArr3[i6]; dArr6[i7] = d5 * d7 * dArr7[i7]; dArr4[i8][i7] = d7 * d6 * dArr7[i7]; } } } } this.mT = dArr; this.mY = dArr2; this.mTangent = dArr4; } private static double diff(double d2, double d3, double d4, double d5, double d6, double d7) { double d8 = d3 * d3; double d9 = d3 * 6.0d; double d10 = 3.0d * d2; return ((((((((((-6.0d) * d8) * d5) + (d9 * d5)) + ((6.0d * d8) * d4)) - (d9 * d4)) + ((d10 * d7) * d8)) + ((d10 * d6) * d8)) - (((2.0d * d2) * d7) * d3)) - (((4.0d * d2) * d6) * d3)) + (d2 * d6); } private static double interpolate(double d2, double d3, double d4, double d5, double d6, double d7) { double d8 = d3 * d3; double d9 = d8 * d3; double d10 = 3.0d * d8; double d11 = ((((((-2.0d) * d9) * d5) + (d10 * d5)) + ((d9 * 2.0d) * d4)) - (d10 * d4)) + d4; double d12 = d2 * d7; double d13 = d2 * d6; return ((((d11 + (d12 * d9)) + (d9 * d13)) - (d12 * d8)) - (((d2 * 2.0d) * d6) * d8)) + (d13 * d3); } @Override // androidx.constraintlayout.motion.utils.CurveFit public void getPos(double d2, double[] dArr) { double[] dArr2 = this.mT; int length = dArr2.length; int i2 = 0; int length2 = this.mY[0].length; if (d2 <= dArr2[0]) { for (int i3 = 0; i3 < length2; i3++) { dArr[i3] = this.mY[0][i3]; } return; } int i4 = length - 1; if (d2 >= dArr2[i4]) { while (i2 < length2) { dArr[i2] = this.mY[i4][i2]; i2++; } return; } int i5 = 0; while (i5 < i4) { if (d2 == this.mT[i5]) { for (int i6 = 0; i6 < length2; i6++) { dArr[i6] = this.mY[i5][i6]; } } double[] dArr3 = this.mT; int i7 = i5 + 1; double d3 = dArr3[i7]; if (d2 < d3) { double d4 = dArr3[i5]; double d5 = d3 - d4; double d6 = (d2 - d4) / d5; while (i2 < length2) { double[][] dArr4 = this.mY; double d7 = dArr4[i5][i2]; double d8 = dArr4[i7][i2]; double[][] dArr5 = this.mTangent; dArr[i2] = interpolate(d5, d6, d7, d8, dArr5[i5][i2], dArr5[i7][i2]); i2++; } return; } i5 = i7; } } @Override // androidx.constraintlayout.motion.utils.CurveFit public void getSlope(double d2, double[] dArr) { double[] dArr2 = this.mT; int length = dArr2.length; int length2 = this.mY[0].length; double d3 = dArr2[0]; if (d2 > d3) { d3 = dArr2[length - 1]; if (d2 < d3) { d3 = d2; } } int i2 = 0; while (i2 < length - 1) { double[] dArr3 = this.mT; int i3 = i2 + 1; double d4 = dArr3[i3]; if (d3 <= d4) { double d5 = dArr3[i2]; double d6 = d4 - d5; double d7 = (d3 - d5) / d6; for (int i4 = 0; i4 < length2; i4++) { double[][] dArr4 = this.mY; double d8 = dArr4[i2][i4]; double d9 = dArr4[i3][i4]; double[][] dArr5 = this.mTangent; dArr[i4] = diff(d6, d7, d8, d9, dArr5[i2][i4], dArr5[i3][i4]) / d6; } return; } i2 = i3; } } @Override // androidx.constraintlayout.motion.utils.CurveFit public double[] getTimePoints() { return this.mT; } @Override // androidx.constraintlayout.motion.utils.CurveFit public double getSlope(double d2, int i2) { double[] dArr = this.mT; int length = dArr.length; int i3 = 0; double d3 = dArr[0]; if (d2 >= d3) { d3 = dArr[length - 1]; if (d2 < d3) { d3 = d2; } } while (i3 < length - 1) { double[] dArr2 = this.mT; int i4 = i3 + 1; double d4 = dArr2[i4]; if (d3 <= d4) { double d5 = dArr2[i3]; double d6 = d4 - d5; double[][] dArr3 = this.mY; double d7 = dArr3[i3][i2]; double d8 = dArr3[i4][i2]; double[][] dArr4 = this.mTangent; return diff(d6, (d3 - d5) / d6, d7, d8, dArr4[i3][i2], dArr4[i4][i2]) / d6; } i3 = i4; } return u.FALSE; } @Override // androidx.constraintlayout.motion.utils.CurveFit public void getPos(double d2, float[] fArr) { double[] dArr = this.mT; int length = dArr.length; int i2 = 0; int length2 = this.mY[0].length; if (d2 <= dArr[0]) { for (int i3 = 0; i3 < length2; i3++) { fArr[i3] = (float) this.mY[0][i3]; } return; } int i4 = length - 1; if (d2 >= dArr[i4]) { while (i2 < length2) { fArr[i2] = (float) this.mY[i4][i2]; i2++; } return; } int i5 = 0; while (i5 < i4) { if (d2 == this.mT[i5]) { for (int i6 = 0; i6 < length2; i6++) { fArr[i6] = (float) this.mY[i5][i6]; } } double[] dArr2 = this.mT; int i7 = i5 + 1; double d3 = dArr2[i7]; if (d2 < d3) { double d4 = dArr2[i5]; double d5 = d3 - d4; double d6 = (d2 - d4) / d5; while (i2 < length2) { double[][] dArr3 = this.mY; double d7 = dArr3[i5][i2]; double d8 = dArr3[i7][i2]; double[][] dArr4 = this.mTangent; fArr[i2] = (float) interpolate(d5, d6, d7, d8, dArr4[i5][i2], dArr4[i7][i2]); i2++; } return; } i5 = i7; } } @Override // androidx.constraintlayout.motion.utils.CurveFit public double getPos(double d2, int i2) { double[] dArr = this.mT; int length = dArr.length; int i3 = 0; if (d2 <= dArr[0]) { return this.mY[0][i2]; } int i4 = length - 1; if (d2 >= dArr[i4]) { return this.mY[i4][i2]; } while (i3 < i4) { double[] dArr2 = this.mT; double d3 = dArr2[i3]; if (d2 == d3) { return this.mY[i3][i2]; } int i5 = i3 + 1; double d4 = dArr2[i5]; if (d2 < d4) { double d5 = d4 - d3; double d6 = (d2 - d3) / d5; double[][] dArr3 = this.mY; double d7 = dArr3[i3][i2]; double d8 = dArr3[i5][i2]; double[][] dArr4 = this.mTangent; return interpolate(d5, d6, d7, d8, dArr4[i3][i2], dArr4[i5][i2]); } i3 = i5; } return u.FALSE; } }