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117 lines
2.7 KiB
C
117 lines
2.7 KiB
C
/* lsame.f -- translated by f2c (version 19991025).
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You must link the resulting object file with the libraries:
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-lf2c -lm (in that order)
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "blis.h"
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bla_logical bli_lsame(bla_character *ca, bla_character *cb, ftnlen ca_len, ftnlen cb_len)
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{
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/* System generated locals */
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bla_logical ret_val;
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/* Local variables */
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static bla_integer inta, intb, zcode;
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/* -- LAPACK auxiliary routine (version 3.2) -- */
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/* Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */
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/* November 2006 */
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/* .. Scalar Arguments .. */
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/* .. */
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/* Purpose */
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/* ======= */
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/* LSAME returns .TRUE. if CA is the same letter as CB regardless of */
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/* case. */
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/* Arguments */
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/* ========= */
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/* CA (input) CHARACTER*1 */
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/* CB (input) CHARACTER*1 */
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/* CA and CB specify the single bla_characters to be compared. */
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/* ===================================================================== */
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/* .. Intrinsic Functions .. */
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/* .. */
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/* .. Local Scalars .. */
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/* .. */
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/* .. Executable Statements .. */
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/* Test if the bla_characters are equal */
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ret_val = *(unsigned char *)ca == *(unsigned char *)cb;
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if (ret_val) {
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return ret_val;
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}
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/* Now test for equivalence if both bla_characters are alphabetic. */
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zcode = 'Z';
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/* Use 'Z' rather than 'A' so that ASCII can be detected on Prime */
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/* machines, on which ICHAR returns a value with bit 8 set. */
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/* ICHAR('A') on Prime machines returns 193 which is the same as */
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/* ICHAR('A') on an EBCDIC machine. */
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inta = *(unsigned char *)ca;
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intb = *(unsigned char *)cb;
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if (zcode == 90 || zcode == 122) {
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/* ASCII is assumed - ZCODE is the ASCII code of either lower or */
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/* upper case 'Z'. */
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if (inta >= 97 && inta <= 122) {
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inta += -32;
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}
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if (intb >= 97 && intb <= 122) {
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intb += -32;
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}
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} else if (zcode == 233 || zcode == 169) {
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/* EBCDIC is assumed - ZCODE is the EBCDIC code of either lower or */
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/* upper case 'Z'. */
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if ((inta >= 129 && inta <= 137) || (inta >= 145 && inta <= 153) || (inta
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>= 162 && inta <= 169)) {
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inta += 64;
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}
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if ((intb >= 129 && intb <= 137) || (intb >= 145 && intb <= 153) || (intb
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>= 162 && intb <= 169)) {
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intb += 64;
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}
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} else if (zcode == 218 || zcode == 250) {
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/* ASCII is assumed, on Prime machines - ZCODE is the ASCII code */
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/* plus 128 of either lower or upper case 'Z'. */
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if (inta >= 225 && inta <= 250) {
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inta += -32;
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}
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if (intb >= 225 && intb <= 250) {
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intb += -32;
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}
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}
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ret_val = inta == intb;
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/* RETURN */
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/* End of LSAME */
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return ret_val;
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} /* bli_lsame */
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#ifdef __cplusplus
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}
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#endif
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