It's because int countGC(char *) is really undefined!
I have not used Inline::CPP before but it seems to me that a Perl string (at least in your case) will be passed as a char array rather than as a std::string.
Although I have no idea how to tell it to pass a perl string as a std::string rather than a char *, the fix is obvious:
int countGC(char * _gcString) {
string gcString = string(_gcString);
int res(0);
for (int i = 0; i < gcString.length(); i++) { if (gcString[i]
+== 'C' || gcString[i] == 'G') { res++; } }
return res;
}
bw, bliako
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