fix: offset increment calc

---
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---

Author: headlessNode

lib/node_modules/@stdlib/ndarray/base/unary-reduce-subarray/lib/3d_blocked.js

@@ -185,10 +185,9 @@ function blockedunary3d( fcn, arrays, views, strides, opts ) {
 				s1 = bsize;
 				j1 -= bsize;
 			}
-			// Compute index offsets and loop offset increments for the first ndarray elements in the current block...
 			for ( k = 0; k < N; k++ ) {
 				ov1[ k ] = ov2[k] + ( j1*sv[k][1] );
-				dv1[ k ] = sv[k][1] - ( s1*sv[k][0] );
+				dv2[ k ] = sv[k][2] - ( s1*sv[k][1] );
 			}
 			for ( j0 = sh[0]; j0 > 0; ) {
 				if ( j0 < bsize ) {
@@ -201,7 +200,7 @@ function blockedunary3d( fcn, arrays, views, strides, opts ) {
 				// Compute index offsets and loop offset increments for the first ndarray elements in the current block...
 				for ( k = 0; k < N; k++ ) {
 					iv[ k ] = ov1[k] + ( j0*sv[k][0] );
-					dv2[ k ] = sv[k][2] - ( s0*sv[k][0] );
+					dv1[ k ] = sv[k][1] - ( s0*sv[k][0] );
 				}
 				// Iterate over the non-reduced ndarray dimensions...
 				for ( i2 = 0; i2 < s2; i2++ ) {

lib/node_modules/@stdlib/ndarray/base/unary-reduce-subarray/lib/3d_blocked_accessors.js

@@ -193,10 +193,9 @@ function blockedunary3d( fcn, arrays, views, strides, opts ) {
 				s1 = bsize;
 				j1 -= bsize;
 			}
-			// Compute index offsets and loop offset increments for the first ndarray elements in the current block...
 			for ( k = 0; k < N; k++ ) {
 				ov1[ k ] = ov2[k] + ( j1*sv[k][1] );
-				dv1[ k ] = sv[k][1] - ( s1*sv[k][0] );
+				dv2[ k ] = sv[k][2] - ( s1*sv[k][1] );
 			}
 			for ( j0 = sh[0]; j0 > 0; ) {
 				if ( j0 < bsize ) {
@@ -209,7 +208,7 @@ function blockedunary3d( fcn, arrays, views, strides, opts ) {
 				// Compute index offsets and loop offset increments for the first ndarray elements in the current block...
 				for ( k = 0; k < N; k++ ) {
 					iv[ k ] = ov1[k] + ( j0*sv[k][0] );
-					dv2[ k ] = sv[k][2] - ( s0*sv[k][0] );
+					dv1[ k ] = sv[k][1] - ( s0*sv[k][0] );
 				}
 				// Iterate over the non-reduced ndarray dimensions...
 				for ( i2 = 0; i2 < s2; i2++ ) {