motiejus/turbonss
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stable version

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fc_botelho
2005-01-17 17:58:43 +00:00
parent 1cfaf691bd
commit 69c177a494
5 changed files with 212 additions and 78 deletions
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23
src/main.c
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@@ -12,7 +12,7 @@
void usage(const char *prg)
{
fprintf(stderr, "usage: %s [-v] [-h] [-V] [-k] [-g [-s seed] ] [-m file.mph] [-a algorithm] keysfile\n", prg);
fprintf(stderr, "usage: %s [-v] [-h] [-V] [-k nkeys] [-g [-c value][-s seed] ] [-m file.mph] [-a algorithm] keysfile\n", prg);
}
void usage_long(const char *prg)
{
@@ -20,6 +20,7 @@ void usage_long(const char *prg)
fprintf(stderr, "usage: %s [-v] [-h] [-V] [-k] [-g [-s seed] ] [-m file.mph] [-a algorithm] keysfile\n", prg);
fprintf(stderr, "Minimum perfect hashing tool\n\n");
fprintf(stderr, " -h\t print this help message\n");
fprintf(stderr, " -c\t c value that determines the number of vertices in the graph\n");
fprintf(stderr, " -a\t algorithm - valid values are\n");
for (i = 0; i < MPH_COUNT; ++i) fprintf(stderr, " \t * %s\n", mph_names[i]);
fprintf(stderr, " -f\t hash function (may be used multiple times) - valid values are\n");
@@ -98,6 +99,7 @@ int main(int argc, char **argv)
uint32 nhashes = 0;
uint32 i;
MPH_ALGO mph_algo = MPH_CZECH;
float c = 2.09;
mph_t *mph = NULL;
mphf_t *mphf = NULL;
@@ -105,9 +107,9 @@ int main(int argc, char **argv)
while (1)
{
char c = getopt(argc, argv, "hVvk:a:f:gm:s:");
if (c == -1) break;
switch (c)
char ch = getopt(argc, argv, "hVvgc:k:a:f:m:s:");
if (ch == -1) break;
switch (ch)
{
case 's':
{
@@ -119,6 +121,16 @@ int main(int argc, char **argv)
}
}
break;
case 'c':
{
char *endptr;
c = strtod(optarg, &endptr);
if(*endptr != 0) {
fprintf(stderr, "Invalid c value %s\n", optarg);
exit(1);
}
}
break;
case 'g':
generate = 1;
break;
@@ -229,7 +241,8 @@ int main(int argc, char **argv)
mph = mph_new(mph_algo, &source);
if (nhashes) mph_set_hashfuncs(mph, hashes);
mph_set_verbosity(mph, verbosity);
mphf = mph_create(mph);
if(mph_algo == MPH_BMZ && c >= 2.0) c=1.15;
mphf = mph_create(mph, c);
if (mphf == NULL)
{