cleanup: normalize ZERO/ONE declaration order in TESTING/EIG error-exit tests

Reorder ZERO and ONE declarations and PARAMETER definitions
for consistency in the TESTING/EIG error-exit test sources.

No functional change intended.

Author: nakatamaho

TESTING/EIG/cerrec.f

@@ -69,8 +69,8 @@ SUBROUTINE CERREC( PATH, NUNIT )
 *     .. Parameters ..
       INTEGER            NMAX, LW
       PARAMETER          ( NMAX = 4, LW = NMAX*( NMAX+2 ) )
-      REAL               ONE, ZERO
-      PARAMETER          ( ONE = 1.0E0, ZERO = 0.0E0 )
+      REAL               ZERO, ONE
+      PARAMETER          ( ZERO = 0.0E0, ONE = 1.0E0 )
 *     ..
 *     .. Local Scalars ..
       INTEGER            I, IFST, ILST, INFO, J, M, NT

TESTING/EIG/cerred.f

@@ -83,8 +83,8 @@ SUBROUTINE CERRED( PATH, NUNIT )
 *     .. Parameters ..
       INTEGER            NMAX, LW
       PARAMETER          ( NMAX = 4, LW = 5*NMAX )
-      REAL               ONE, ZERO
-      PARAMETER          ( ONE = 1.0E0, ZERO = 0.0E0 )
+      REAL               ZERO, ONE
+      PARAMETER          ( ZERO = 0.0E0, ONE = 1.0E0 )
 *     ..
 *     .. Local Scalars ..
       CHARACTER*2        C2

TESTING/EIG/derrec.f

@@ -68,8 +68,8 @@ SUBROUTINE DERREC( PATH, NUNIT )
 *
 *     .. Parameters ..
       INTEGER            NMAX
-      DOUBLE PRECISION   ONE, ZERO
-      PARAMETER          ( NMAX = 4, ONE = 1.0D0, ZERO = 0.0D0 )
+      DOUBLE PRECISION   ZERO, ONE
+      PARAMETER          ( NMAX = 4, ZERO = 0.0D0, ONE = 1.0D0 )
 *     ..
 *     .. Local Scalars ..
       INTEGER            I, IFST, ILST, INFO, J, M, NT

TESTING/EIG/derred.f

@@ -82,8 +82,8 @@ SUBROUTINE DERRED( PATH, NUNIT )
 *
 *     .. Parameters ..
       INTEGER            NMAX
-      DOUBLE PRECISION   ONE, ZERO
-      PARAMETER          ( NMAX = 4, ONE = 1.0D0, ZERO = 0.0D0 )
+      DOUBLE PRECISION   ZERO, ONE
+      PARAMETER          ( NMAX = 4, ZERO = 0.0D0, ONE = 1.0D0 )
 *     ..
 *     .. Local Scalars ..
       CHARACTER*2        C2

TESTING/EIG/serrec.f

@@ -68,8 +68,8 @@ SUBROUTINE SERREC( PATH, NUNIT )
 *
 *     .. Parameters ..
       INTEGER            NMAX
-      REAL               ONE, ZERO
-      PARAMETER          ( NMAX = 4, ONE = 1.0E0, ZERO = 0.0E0 )
+      REAL               ZERO, ONE
+      PARAMETER          ( NMAX = 4, ZERO = 0.0E0, ONE = 1.0E0 )
 *     ..
 *     .. Local Scalars ..
       INTEGER            I, IFST, ILST, INFO, J, M, NT

TESTING/EIG/serred.f

@@ -82,8 +82,8 @@ SUBROUTINE SERRED( PATH, NUNIT )
 *
 *     .. Parameters ..
       INTEGER            NMAX
-      REAL               ONE, ZERO
-      PARAMETER          ( NMAX = 4, ONE = 1.0E0, ZERO = 0.0E0 )
+      REAL               ZERO, ONE
+      PARAMETER          ( NMAX = 4, ZERO = 0.0E0, ONE = 1.0E0 )
 *     ..
 *     .. Local Scalars ..
       CHARACTER*2        C2

TESTING/EIG/zerrec.f

@@ -69,8 +69,8 @@ SUBROUTINE ZERREC( PATH, NUNIT )
 *     .. Parameters ..
       INTEGER            NMAX, LW
       PARAMETER          ( NMAX = 4, LW = NMAX*( NMAX+2 ) )
-      DOUBLE PRECISION   ONE, ZERO
-      PARAMETER          ( ONE = 1.0D0, ZERO = 0.0D0 )
+      DOUBLE PRECISION   ZERO, ONE
+      PARAMETER          ( ZERO = 0.0D0, ONE = 1.0D0 )
 *     ..
 *     .. Local Scalars ..
       INTEGER            I, IFST, ILST, INFO, J, M, NT

TESTING/EIG/zerred.f

@@ -83,8 +83,8 @@ SUBROUTINE ZERRED( PATH, NUNIT )
 *     .. Parameters ..
       INTEGER            NMAX, LW
       PARAMETER          ( NMAX = 4, LW = 5*NMAX )
-      DOUBLE PRECISION   ONE, ZERO
-      PARAMETER          ( ONE = 1.0D0, ZERO = 0.0D0 )
+      DOUBLE PRECISION   ZERO, ONE
+      PARAMETER          ( ZERO = 0.0D0, ONE = 1.0D0 )
 *     ..
 *     .. Local Scalars ..
       CHARACTER*2        C2