📄 ztrmm.c
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/*< IF( UPPER )THEN >*/
if (upper) {
/*< DO 50, J = 1, N >*/
i__1 = *n;
for (j = 1; j <= i__1; ++j) {
/*< DO 40, K = 1, M >*/
i__2 = *m;
for (k = 1; k <= i__2; ++k) {
/*< IF( B( K, J ).NE.ZERO )THEN >*/
i__3 = k + j * b_dim1;
if (b[i__3].r != 0. || b[i__3].i != 0.) {
/*< TEMP = ALPHA*B( K, J ) >*/
i__3 = k + j * b_dim1;
z__1.r = alpha->r * b[i__3].r - alpha->i * b[i__3]
.i, z__1.i = alpha->r * b[i__3].i +
alpha->i * b[i__3].r;
temp.r = z__1.r, temp.i = z__1.i;
/*< DO 30, I = 1, K - 1 >*/
i__3 = k - 1;
for (i__ = 1; i__ <= i__3; ++i__) {
/*< B( I, J ) = B( I, J ) + TEMP*A( I, K ) >*/
i__4 = i__ + j * b_dim1;
i__5 = i__ + j * b_dim1;
i__6 = i__ + k * a_dim1;
z__2.r = temp.r * a[i__6].r - temp.i * a[i__6]
.i, z__2.i = temp.r * a[i__6].i +
temp.i * a[i__6].r;
z__1.r = b[i__5].r + z__2.r, z__1.i = b[i__5]
.i + z__2.i;
b[i__4].r = z__1.r, b[i__4].i = z__1.i;
/*< 30 CONTINUE >*/
/* L30: */
}
/*< >*/
if (nounit) {
i__3 = k + k * a_dim1;
z__1.r = temp.r * a[i__3].r - temp.i * a[i__3]
.i, z__1.i = temp.r * a[i__3].i +
temp.i * a[i__3].r;
temp.r = z__1.r, temp.i = z__1.i;
}
/*< B( K, J ) = TEMP >*/
i__3 = k + j * b_dim1;
b[i__3].r = temp.r, b[i__3].i = temp.i;
/*< END IF >*/
}
/*< 40 CONTINUE >*/
/* L40: */
}
/*< 50 CONTINUE >*/
/* L50: */
}
/*< ELSE >*/
} else {
/*< DO 80, J = 1, N >*/
i__1 = *n;
for (j = 1; j <= i__1; ++j) {
/*< DO 70 K = M, 1, -1 >*/
for (k = *m; k >= 1; --k) {
/*< IF( B( K, J ).NE.ZERO )THEN >*/
i__2 = k + j * b_dim1;
if (b[i__2].r != 0. || b[i__2].i != 0.) {
/*< TEMP = ALPHA*B( K, J ) >*/
i__2 = k + j * b_dim1;
z__1.r = alpha->r * b[i__2].r - alpha->i * b[i__2]
.i, z__1.i = alpha->r * b[i__2].i +
alpha->i * b[i__2].r;
temp.r = z__1.r, temp.i = z__1.i;
/*< B( K, J ) = TEMP >*/
i__2 = k + j * b_dim1;
b[i__2].r = temp.r, b[i__2].i = temp.i;
/*< >*/
if (nounit) {
i__2 = k + j * b_dim1;
i__3 = k + j * b_dim1;
i__4 = k + k * a_dim1;
z__1.r = b[i__3].r * a[i__4].r - b[i__3].i *
a[i__4].i, z__1.i = b[i__3].r * a[
i__4].i + b[i__3].i * a[i__4].r;
b[i__2].r = z__1.r, b[i__2].i = z__1.i;
}
/*< DO 60, I = K + 1, M >*/
i__2 = *m;
for (i__ = k + 1; i__ <= i__2; ++i__) {
/*< B( I, J ) = B( I, J ) + TEMP*A( I, K ) >*/
i__3 = i__ + j * b_dim1;
i__4 = i__ + j * b_dim1;
i__5 = i__ + k * a_dim1;
z__2.r = temp.r * a[i__5].r - temp.i * a[i__5]
.i, z__2.i = temp.r * a[i__5].i +
temp.i * a[i__5].r;
z__1.r = b[i__4].r + z__2.r, z__1.i = b[i__4]
.i + z__2.i;
b[i__3].r = z__1.r, b[i__3].i = z__1.i;
/*< 60 CONTINUE >*/
/* L60: */
}
/*< END IF >*/
}
/*< 70 CONTINUE >*/
/* L70: */
}
/*< 80 CONTINUE >*/
/* L80: */
}
/*< END IF >*/
}
/*< ELSE >*/
} else {
/* Form B := alpha*A'*B or B := alpha*conjg( A' )*B. */
/*< IF( UPPER )THEN >*/
if (upper) {
/*< DO 120, J = 1, N >*/
i__1 = *n;
for (j = 1; j <= i__1; ++j) {
/*< DO 110, I = M, 1, -1 >*/
for (i__ = *m; i__ >= 1; --i__) {
/*< TEMP = B( I, J ) >*/
i__2 = i__ + j * b_dim1;
temp.r = b[i__2].r, temp.i = b[i__2].i;
/*< IF( NOCONJ )THEN >*/
if (noconj) {
/*< >*/
if (nounit) {
i__2 = i__ + i__ * a_dim1;
z__1.r = temp.r * a[i__2].r - temp.i * a[i__2]
.i, z__1.i = temp.r * a[i__2].i +
temp.i * a[i__2].r;
temp.r = z__1.r, temp.i = z__1.i;
}
/*< DO 90, K = 1, I - 1 >*/
i__2 = i__ - 1;
for (k = 1; k <= i__2; ++k) {
/*< TEMP = TEMP + A( K, I )*B( K, J ) >*/
i__3 = k + i__ * a_dim1;
i__4 = k + j * b_dim1;
z__2.r = a[i__3].r * b[i__4].r - a[i__3].i *
b[i__4].i, z__2.i = a[i__3].r * b[
i__4].i + a[i__3].i * b[i__4].r;
z__1.r = temp.r + z__2.r, z__1.i = temp.i +
z__2.i;
temp.r = z__1.r, temp.i = z__1.i;
/*< 90 CONTINUE >*/
/* L90: */
}
/*< ELSE >*/
} else {
/*< >*/
if (nounit) {
d_cnjg(&z__2, &a[i__ + i__ * a_dim1]);
z__1.r = temp.r * z__2.r - temp.i * z__2.i,
z__1.i = temp.r * z__2.i + temp.i *
z__2.r;
temp.r = z__1.r, temp.i = z__1.i;
}
/*< DO 100, K = 1, I - 1 >*/
i__2 = i__ - 1;
for (k = 1; k <= i__2; ++k) {
/*< TEMP = TEMP + DCONJG( A( K, I ) )*B( K, J ) >*/
d_cnjg(&z__3, &a[k + i__ * a_dim1]);
i__3 = k + j * b_dim1;
z__2.r = z__3.r * b[i__3].r - z__3.i * b[i__3]
.i, z__2.i = z__3.r * b[i__3].i +
z__3.i * b[i__3].r;
z__1.r = temp.r + z__2.r, z__1.i = temp.i +
z__2.i;
temp.r = z__1.r, temp.i = z__1.i;
/*< 100 CONTINUE >*/
/* L100: */
}
/*< END IF >*/
}
/*< B( I, J ) = ALPHA*TEMP >*/
i__2 = i__ + j * b_dim1;
z__1.r = alpha->r * temp.r - alpha->i * temp.i,
z__1.i = alpha->r * temp.i + alpha->i *
temp.r;
b[i__2].r = z__1.r, b[i__2].i = z__1.i;
/*< 110 CONTINUE >*/
/* L110: */
}
/*< 120 CONTINUE >*/
/* L120: */
}
/*< ELSE >*/
} else {
/*< DO 160, J = 1, N >*/
i__1 = *n;
for (j = 1; j <= i__1; ++j) {
/*< DO 150, I = 1, M >*/
i__2 = *m;
for (i__ = 1; i__ <= i__2; ++i__) {
/*< TEMP = B( I, J ) >*/
i__3 = i__ + j * b_dim1;
temp.r = b[i__3].r, temp.i = b[i__3].i;
/*< IF( NOCONJ )THEN >*/
if (noconj) {
/*< >*/
if (nounit) {
i__3 = i__ + i__ * a_dim1;
z__1.r = temp.r * a[i__3].r - temp.i * a[i__3]
.i, z__1.i = temp.r * a[i__3].i +
temp.i * a[i__3].r;
temp.r = z__1.r, temp.i = z__1.i;
}
/*< DO 130, K = I + 1, M >*/
i__3 = *m;
for (k = i__ + 1; k <= i__3; ++k) {
/*< TEMP = TEMP + A( K, I )*B( K, J ) >*/
i__4 = k + i__ * a_dim1;
i__5 = k + j * b_dim1;
z__2.r = a[i__4].r * b[i__5].r - a[i__4].i *
b[i__5].i, z__2.i = a[i__4].r * b[
i__5].i + a[i__4].i * b[i__5].r;
z__1.r = temp.r + z__2.r, z__1.i = temp.i +
z__2.i;
temp.r = z__1.r, temp.i = z__1.i;
/*< 130 CONTINUE >*/
/* L130: */
}
/*< ELSE >*/
} else {
/*< >*/
if (nounit) {
d_cnjg(&z__2, &a[i__ + i__ * a_dim1]);
z__1.r = temp.r * z__2.r - temp.i * z__2.i,
z__1.i = temp.r * z__2.i + temp.i *
z__2.r;
temp.r = z__1.r, temp.i = z__1.i;
}
/*< DO 140, K = I + 1, M >*/
i__3 = *m;
for (k = i__ + 1; k <= i__3; ++k) {
/*< TEMP = TEMP + DCONJG( A( K, I ) )*B( K, J ) >*/
d_cnjg(&z__3, &a[k + i__ * a_dim1]);
i__4 = k + j * b_dim1;
z__2.r = z__3.r * b[i__4].r - z__3.i * b[i__4]
.i, z__2.i = z__3.r * b[i__4].i +
z__3.i * b[i__4].r;
z__1.r = temp.r + z__2.r, z__1.i = temp.i +
z__2.i;
temp.r = z__1.r, temp.i = z__1.i;
/*< 140 CONTINUE >*/
/* L140: */
}
/*< END IF >*/
}
/*< B( I, J ) = ALPHA*TEMP >*/
i__3 = i__ + j * b_dim1;
z__1.r = alpha->r * temp.r - alpha->i * temp.i,
z__1.i = alpha->r * temp.i + alpha->i *
temp.r;
b[i__3].r = z__1.r, b[i__3].i = z__1.i;
/*< 150 CONTINUE >*/
/* L150: */
}
/*< 160 CONTINUE >*/
/* L160: */
}
/*< END IF >*/
}
/*< END IF >*/
}
/*< ELSE >*/
} else {
/*< IF( LSAME( TRANSA, 'N' ) )THEN >*/
if (lsame_(transa, "N", (ftnlen)1, (ftnlen)1)) {
/* Form B := alpha*B*A. */
/*< IF( UPPER )THEN >*/
if (upper) {
/*< DO 200, J = N, 1, -1 >*/
for (j = *n; j >= 1; --j) {
/*< TEMP = ALPHA >*/
temp.r = alpha->r, temp.i = alpha->i;
/*< >*/
if (nounit) {
i__1 = j + j * a_dim1;
z__1.r = temp.r * a[i__1].r - temp.i * a[i__1].i,
z__1.i = temp.r * a[i__1].i + temp.i * a[i__1]
.r;
temp.r = z__1.r, temp.i = z__1.i;
}
/*< DO 170, I = 1, M >*/
i__1 = *m;
for (i__ = 1; i__ <= i__1; ++i__) {
/*< B( I, J ) = TEMP*B( I, J ) >*/
i__2 = i__ + j * b_dim1;
i__3 = i__ + j * b_dim1;
z__1.r = temp.r * b[i__3].r - temp.i * b[i__3].i,
z__1.i = temp.r * b[i__3].i + temp.i * b[i__3]
.r;
b[i__2].r = z__1.r, b[i__2].i = z__1.i;
/*< 170 CONTINUE >*/
/* L170: */
}
/*< DO 190, K = 1, J - 1 >*/
i__1 = j - 1;
for (k = 1; k <= i__1; ++k) {
/*< IF( A( K, J ).NE.ZERO )THEN >*/
i__2 = k + j * a_dim1;
if (a[i__2].r != 0. || a[i__2].i != 0.) {
/*< TEMP = ALPHA*A( K, J ) >*/
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