cblas提供c接口的blas库，源码通过f2c转换为C语言

/**************************************************************** Copyright 1996 by Lucent Technologies. Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that the copyright notice and this permission notice and warranty disclaimer appear in supporting documentation, and that the names of Bell Laboratories or Lucent Technologies or any of their entities not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. Lucent disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness. In no event shall Lucent be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortious action, arising out of or in connection with the use or performance of this software. ****************************************************************/ /* Source for a "getopt" command, as invoked by the "fc" script. */ #include <stdio.h> static char opts[256]; /* assume 8-bit bytes */ int #ifdef KR_headers main(argc, argv) int argc; char **argv; #else main(int argc, char **argv) #endif { char **av, *fmt, *s, *s0; int i; if (argc < 2) { fprintf(stderr, "Usage: getopt optstring arg1 arg2...\n"); return 1; } for(s = argv[1]; *s; ) { i = *(unsigned char *)s++; if (!opts[i]) opts[i] = 1; if (*s == ':') { s++; opts[i] = 2; } } /* scan for legal args */ av = argv + 2; nextarg: while(s = *av++) { if (*s++ != '-' || s[0] == '-' && s[1] == 0) break; while(i = *(unsigned char *)s++) { switch(opts[i]) { case 0: fprintf(stderr, "getopt: Illegal option -- %c\n", s[-1]); return 1; case 2: s0 = s - 1; if (*s || *av++) goto nextarg; fprintf(stderr, "getopt: Option requires an argument -- %c\n", *s0); return 1; } } } /* output modified args */ av = argv + 2; fmt = "-%c"; nextarg1: while(s = *av++) { if (s[0] != '-') break; if (*++s == '-' && !s[1]) { s = *av++; break; } while(*s) { printf(fmt, *s); fmt = " -%c"; if (opts[*(unsigned char *)s++] == 2) { if (!*s) s = *av++; printf(" %s", s); goto nextarg1; } } } printf(*fmt == ' ' ? " --" : "--"); for(; s; s = *av++) printf(" %s", s); printf("\n"); return 0; }