Algorytm Strassena — część 5

sum(a21, a22, aResult, newTam); // a21 + a22 strassen(aResult, b11, p2, newTam); // p2 = (a21+a22) * (b11)

subtract(b12, b22, bResult, newTam); // b12 - b22 strassen(a11, bResult, p3, newTam); // p3 = (a11) * (b12 - b22)

subtract(b21, b11, bResult, newTam); // b21 - b11 strassen(a22, bResult, p4, newTam); // p4 = (a22) * (b21 - b11)

sum(a11, a12, aResult, newTam); // a11 + a12 strassen(aResult, b22, p5, newTam); // p5 = (a11+a12) * (b22)

subtract(a21, a11, aResult, newTam); // a21 - a11 sum(b11, b12, bResult, newTam); // b11 + b12 strassen(aResult, bResult, p6, newTam); // p6 = (a21-a11) * (b11+b12)

subtract(a12, a22, aResult, newTam); // a12 - a22 sum(b21, b22, bResult, newTam); // b21 + b22 strassen(aResult, bResult, p7, newTam); // p7 = (a12-a22) * (b21+b22)

//obliczanie c21, c21, c11 i c22:

sum(p3, p5, c12, newTam); // c12 = p3 + p5 sum(p2, p4, c21, newTam); // c21 = p2 + p4

sum(p1, p4, aResult, newTam); // p1 + p4 sum(aResult, p7, bResult, newTam); // p1 + p4 + p7 subtract(bResult, p5, c11, newTam); // c11 = p1 + p4 - p5 + p7

sum(p1, p3, aResult, newTam); // p1 + p3 sum(aResult, p6, bResult, newTam); // p1 + p3 + p6 subtract(bResult, p2, c22, newTam); // c22 = p1 + p3 - p2 + p6