text: /* lsame.f -- translated by f2c (version 20061008).
     You must link the resulting object file with libf2c:
  	on Microsoft Windows system, link with libf2c.lib;
  	on Linux or Unix systems, link with .../path/to/libf2c.a -lm
  	or, if you install libf2c.a in a standard place, with -lf2c -lm
  	-- in that order, at the end of the command line, as in
  		cc *.o -lf2c -lm
  	Source for libf2c is in /netlib/f2c/libf2c.zip, e.g.,
  
  		http://www.netlib.org/f2c/libf2c.zip
  */
  
  #include "f2c.h"
  #include "blaswrap.h"
  
  logical lsame_(char *ca, char *cb)
  {
      /* System generated locals */
      logical ret_val;
  
      /* Local variables */
      integer inta, intb, zcode;
  
  
  /*  -- LAPACK auxiliary routine (version 3.2) -- */
  /*     Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */
  /*     November 2006 */
  
  /*     .. Scalar Arguments .. */
  /*     .. */
  
  /*  Purpose */
  /*  ======= */
  
  /*  LSAME returns .TRUE. if CA is the same letter as CB regardless of */
  /*  case. */
  
  /*  Arguments */
  /*  ========= */
  
  /*  CA      (input) CHARACTER*1 */
  /*  CB      (input) CHARACTER*1 */
  /*          CA and CB specify the single characters to be compared. */
  
  /* ===================================================================== */
  
  /*     .. Intrinsic Functions .. */
  /*     .. */
  /*     .. Local Scalars .. */
  /*     .. */
  /*     .. Executable Statements .. */
  
  /*     Test if the characters are equal */
  
      ret_val = *(unsigned char *)ca == *(unsigned char *)cb;
      if (ret_val) {
  	return ret_val;
      }
  
  /*     Now test for equivalence if both characters are alphabetic. */
  
      zcode = '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 = *(unsigned char *)ca;
      intb = *(unsigned char *)cb;
  
      if (zcode == 90 || zcode == 122) {
  
  /*        ASCII is assumed - ZCODE is the ASCII code of either lower or */
  /*        upper case 'Z'. */
  
  	if (inta >= 97 && inta <= 122) {
  	    inta += -32;
  	}
  	if (intb >= 97 && intb <= 122) {
  	    intb += -32;
  	}
  
      } else if (zcode == 233 || zcode == 169) {
  
  /*        EBCDIC is assumed - ZCODE is the EBCDIC code of either lower or */
  /*        upper case 'Z'. */
  
  	if (inta >= 129 && inta <= 137 || inta >= 145 && inta <= 153 || inta 
  		>= 162 && inta <= 169) {
  	    inta += 64;
  	}
  	if (intb >= 129 && intb <= 137 || intb >= 145 && intb <= 153 || intb 
  		>= 162 && intb <= 169) {
  	    intb += 64;
  	}
  
      } else if (zcode == 218 || zcode == 250) {
  
  /*        ASCII is assumed, on Prime machines - ZCODE is the ASCII code */
  /*        plus 128 of either lower or upper case 'Z'. */
  
  	if (inta >= 225 && inta <= 250) {
  	    inta += -32;
  	}
  	if (intb >= 225 && intb <= 250) {
  	    intb += -32;
  	}
      }
      ret_val = inta == intb;
  
  /*     RETURN */
  
  /*     End of LSAME */
  
      return ret_val;
  } /* lsame_ */
  