Merge pull request #3984 from martin-frbg/develop

Fix logic bug in single-threaded C/Z SPR

Author: martin-frbg

driver/level2/zspr_k.c

@@ -53,15 +53,15 @@ int CNAME(BLASLONG m, FLOAT alpha_r, FLOAT alpha_i,
 
   for (i = 0; i < m; i++){
 #ifndef LOWER
-    if ((X[i * 2 + 0] != ZERO) && (X[i * 2 + 1] != ZERO)) {
+    if ((X[i * 2 + 0] != ZERO) || (X[i * 2 + 1] != ZERO)) {
       AXPYU_K(i + 1, 0, 0,
 	      alpha_r * X[i * 2 + 0] - alpha_i * X[i * 2 + 1],
 	      alpha_i * X[i * 2 + 0] + alpha_r * X[i * 2 + 1],
 	      X,         1, a, 1, NULL, 0);
     }
     a += (i + 1) * 2;
 #else
-    if ((X[i * 2 + 0] != ZERO) && (X[i * 2 + 1] != ZERO)) {
+    if ((X[i * 2 + 0] != ZERO) || (X[i * 2 + 1] != ZERO)) {
       AXPYU_K(m - i, 0, 0,
 	      alpha_r * X[i * 2 + 0] - alpha_i * X[i * 2 + 1],
 	      alpha_i * X[i * 2 + 0] + alpha_r * X[i * 2 + 1],