Silent warning about double identical test

coreblas/compute/core_zgeadd.c

@@ -93,9 +93,7 @@ int CORE_zgeadd(MORSE_enum trans, int M, int N,
 {
     int i, j;
 
-    if ((trans != MorseNoTrans) &&
-        (trans != MorseTrans)   &&
-        (trans != MorseConjTrans))
+    if ((trans < MorseNoTrans) || (trans > MorseConjTrans))
     {
         coreblas_error(1, "illegal value of trans");
         return -1;

coreblas/compute/core_zlatro.c

@@ -99,7 +99,7 @@ int CORE_zlatro(MORSE_enum uplo, MORSE_enum trans,
         coreblas_error(1, "Illegal value of uplo");
         return -1;
     }
-    if ((trans != MorseConjTrans) && (trans != MorseNoTrans) && (trans != MorseTrans) ) {
+    if ((trans < MorseNoTrans) || (trans > MorseConjTrans)) {
         coreblas_error(2, "Illegal value of trans");
         return -2;
     }

coreblas/compute/core_zpemv.c

@@ -146,7 +146,7 @@ int CORE_zpemv(MORSE_enum trans, int storev,
 
 
     /* Check input arguments */
-    if ((trans != MorseNoTrans) && (trans != MorseTrans) && (trans != MorseConjTrans)) {
+    if ((trans < MorseNoTrans) || (trans > MorseConjTrans)) {
         coreblas_error(1, "Illegal value of trans");
         return -1;
     }

coreblas/compute/core_ztradd.c

@@ -118,9 +118,7 @@ int CORE_ztradd(MORSE_enum uplo, MORSE_enum trans, int M, int N,
         return -1;
     }
 
-    if ((trans != MorseNoTrans) &&
-        (trans != MorseTrans)   &&
-        (trans != MorseConjTrans))
+    if ((trans < MorseNoTrans) || (trans > MorseConjTrans))
     {
         coreblas_error(2, "illegal value of trans");
         return -2;