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[bytom/vapor.git] / vendor / gonum.org / v1 / gonum / lapack / internal / testdata / netlib / lsame.f

diff --git a/vendor/gonum.org/v1/gonum/lapack/internal/testdata/netlib/lsame.f b/vendor/gonum.org/v1/gonum/lapack/internal/testdata/netlib/lsame.f
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+*> \brief \b LSAME
+*
+*  =========== DOCUMENTATION ===========
+*
+* Online html documentation available at 
+*            http://www.netlib.org/lapack/explore-html/ 
+*
+*  Definition:
+*  ===========
+*
+*      LOGICAL FUNCTION LSAME( CA, CB )
+*
+*     .. Scalar Arguments ..
+*      CHARACTER          CA, CB
+*     ..
+*  
+*
+*> \par Purpose:
+*  =============
+*>
+*> \verbatim
+*>
+*> LSAME returns .TRUE. if CA is the same letter as CB regardless of
+*> case.
+*> \endverbatim
+*
+*  Arguments:
+*  ==========
+*
+*> \param[in] CA
+*> \verbatim
+*> \endverbatim
+*>
+*> \param[in] CB
+*> \verbatim
+*>          CA and CB specify the single characters to be compared.
+*> \endverbatim
+*
+*  Authors:
+*  ========
+*
+*> \author Univ. of Tennessee 
+*> \author Univ. of California Berkeley 
+*> \author Univ. of Colorado Denver 
+*> \author NAG Ltd. 
+*
+*> \date November 2011
+*
+*> \ingroup auxOTHERauxiliary
+*
+*  =====================================================================
+      LOGICAL FUNCTION LSAME( CA, CB )
+*
+*  -- LAPACK auxiliary routine (version 3.4.0) --
+*  -- LAPACK is a software package provided by Univ. of Tennessee,    --
+*  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
+*     November 2011
+*
+*     .. Scalar Arguments ..
+      CHARACTER          CA, CB
+*     ..
+*
+* =====================================================================
+*
+*     .. Intrinsic Functions ..
+      INTRINSIC          ICHAR
+*     ..
+*     .. Local Scalars ..
+      INTEGER            INTA, INTB, ZCODE
+*     ..
+*     .. Executable Statements ..
+*
+*     Test if the characters are equal
+*
+      LSAME = CA.EQ.CB
+      IF( LSAME )
+     $   RETURN
+*
+*     Now test for equivalence if both characters are alphabetic.
+*
+      ZCODE = ICHAR( 'Z' )
+*
+*     Use 'Z' rather than 'A' so that ASCII can be detected on Prime
+*     machines, on which ICHAR returns a value with bit 8 set.
+*     ICHAR('A') on Prime machines returns 193 which is the same as
+*     ICHAR('A') on an EBCDIC machine.
+*
+      INTA = ICHAR( CA )
+      INTB = ICHAR( CB )
+*
+      IF( ZCODE.EQ.90 .OR. ZCODE.EQ.122 ) THEN
+*
+*        ASCII is assumed - ZCODE is the ASCII code of either lower or
+*        upper case 'Z'.
+*
+         IF( INTA.GE.97 .AND. INTA.LE.122 ) INTA = INTA - 32
+         IF( INTB.GE.97 .AND. INTB.LE.122 ) INTB = INTB - 32
+*
+      ELSE IF( ZCODE.EQ.233 .OR. ZCODE.EQ.169 ) THEN
+*
+*        EBCDIC is assumed - ZCODE is the EBCDIC code of either lower or
+*        upper case 'Z'.
+*
+         IF( INTA.GE.129 .AND. INTA.LE.137 .OR.
+     $       INTA.GE.145 .AND. INTA.LE.153 .OR.
+     $       INTA.GE.162 .AND. INTA.LE.169 ) INTA = INTA + 64
+         IF( INTB.GE.129 .AND. INTB.LE.137 .OR.
+     $       INTB.GE.145 .AND. INTB.LE.153 .OR.
+     $       INTB.GE.162 .AND. INTB.LE.169 ) INTB = INTB + 64
+*
+      ELSE IF( ZCODE.EQ.218 .OR. ZCODE.EQ.250 ) THEN
+*
+*        ASCII is assumed, on Prime machines - ZCODE is the ASCII code
+*        plus 128 of either lower or upper case 'Z'.
+*
+         IF( INTA.GE.225 .AND. INTA.LE.250 ) INTA = INTA - 32
+         IF( INTB.GE.225 .AND. INTB.LE.250 ) INTB = INTB - 32
+      END IF
+      LSAME = INTA.EQ.INTB
+*
+*     RETURN
+*
+*     End of LSAME
+*
+      END