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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "string_hash.h"
#include <vespa/vespalib/stllike/hash_fun.h>
namespace vespalib {
double hash2d(const char *str, size_t len) {
size_t h = hashValue(str, len);
if ((h & 0x7ff0000000000000ul) == 0x7ff0000000000000ul) {
// Avoid nan and inf
h = h & 0xffeffffffffffffful;
}
double d = 0;
static_assert(sizeof(d) == sizeof(h));
memcpy(&d, &h, sizeof(d));
return d;
}
double hash2d(vespalib::stringref str) {
return hash2d(str.data(), str.size());
}
} // namespace vespalib
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