unify comments: TRANS parameter

This commit completes changes made in:
* 2f9f42b 2021-06-03

Author: jip

TESTING/LIN/ctpt02.f

@@ -50,9 +50,9 @@
 *> \verbatim
 *>          TRANS is CHARACTER*1
 *>          Specifies the operation applied to A.
-*>          = 'N':  A *x = b     (No transpose)
-*>          = 'T':  A**T *x = b  (Transpose)
-*>          = 'C':  A**H *x = b  (Conjugate transpose)
+*>          = 'N':  A    * X = B  (No transpose)
+*>          = 'T':  A**T * X = B  (Transpose)
+*>          = 'C':  A**H * X = B  (Conjugate transpose)
 *> \endverbatim
 *>
 *> \param[in] DIAG

TESTING/LIN/ctrt02.f

@@ -51,9 +51,9 @@
 *> \verbatim
 *>          TRANS is CHARACTER*1
 *>          Specifies the operation applied to A.
-*>          = 'N':  A *x = b     (No transpose)
-*>          = 'T':  A**T *x = b  (Transpose)
-*>          = 'C':  A**H *x = b  (Conjugate transpose)
+*>          = 'N':  A    * X = B  (No transpose)
+*>          = 'T':  A**T * X = B  (Transpose)
+*>          = 'C':  A**H * X = B  (Conjugate transpose)
 *> \endverbatim
 *>
 *> \param[in] DIAG

TESTING/LIN/ztpt02.f

@@ -50,9 +50,9 @@
 *> \verbatim
 *>          TRANS is CHARACTER*1
 *>          Specifies the operation applied to A.
-*>          = 'N':  A *x = b     (No transpose)
-*>          = 'T':  A**T *x = b  (Transpose)
-*>          = 'C':  A**H *x = b  (Conjugate transpose)
+*>          = 'N':  A    * X = B  (No transpose)
+*>          = 'T':  A**T * X = B  (Transpose)
+*>          = 'C':  A**H * X = B  (Conjugate transpose)
 *> \endverbatim
 *>
 *> \param[in] DIAG

TESTING/LIN/ztrt02.f

@@ -51,9 +51,9 @@
 *> \verbatim
 *>          TRANS is CHARACTER*1
 *>          Specifies the operation applied to A.
-*>          = 'N':  A *x = b     (No transpose)
-*>          = 'T':  A**T *x = b  (Transpose)
-*>          = 'C':  A**H *x = b  (Conjugate transpose)
+*>          = 'N':  A    * X = B  (No transpose)
+*>          = 'T':  A**T * X = B  (Transpose)
+*>          = 'C':  A**H * X = B  (Conjugate transpose)
 *> \endverbatim
 *>
 *> \param[in] DIAG