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< a href = "composition__hash_8h.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a id = "l00001" name = "l00001" > < / a > < span class = "lineno" > 1< / span > < span class = "preprocessor" > #pragma once< / span > < / div >
< div class = "line" > < a id = "l00002" name = "l00002" > < / a > < span class = "lineno" > 2< / span > < / div >
< div class = "line" > < a id = "l00003" name = "l00003" > < / a > < span class = "lineno" > 3< / span > < span class = "preprocessor" > #include < cstring> < / span > < / div >
< div class = "line" > < a id = "l00004" name = "l00004" > < / a > < span class = "lineno" > 4< / span > < span class = "preprocessor" > #include < vector> < / span > < / div >
< div class = "line" > < a id = "l00005" name = "l00005" > < / a > < span class = "lineno" > 5< / span > < span class = "preprocessor" > #include < bit> < / span > < / div >
< div class = "line" > < a id = "l00006" name = "l00006" > < / a > < span class = "lineno" > 6< / span > < / div >
< div class = "line" > < a id = "l00007" name = "l00007" > < / a > < span class = "lineno" > 7< / span > < span class = "preprocessor" > #include " xxhash64.h" < / span > < / div >
< div class = "line" > < a id = "l00008" name = "l00008" > < / a > < span class = "lineno" > 8< / span > < span class = "preprocessor" > #include " < a class = "code" href = "composition_8h.html" > fourdst/composition/composition.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00009" name = "l00009" > < / a > < span class = "lineno" > 9< / span > < span class = "preprocessor" > #include " < a class = "code" href = "composition__abstract_8h.html" > fourdst/composition/composition_abstract.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00010" name = "l00010" > < / a > < span class = "lineno" > 10< / span > < / div >
< div class = "foldopen" id = "foldopen00011" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00011" name = "l00011" > < / a > < span class = "lineno" > < a class = "line" href = "namespacefourdst_1_1composition_1_1utils.html" > 11< / a > < / span > < span class = "keyword" > namespace < / span > < a class = "code hl_namespace" href = "namespacefourdst_1_1composition_1_1utils.html" > fourdst::composition::utils< / a > {< / div >
< div class = "line" > < a id = "l00012" name = "l00012" > < / a > < span class = "lineno" > 12< / span > < span class = "comment" > // Make a concept which checks if a type inherits from CompositionAbstract< / span > < / div >
< div class = "line" > < a id = "l00013" name = "l00013" > < / a > < span class = "lineno" > 13< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > CompT> < / div >
< div class = "line" > < a id = "l00014" name = "l00014" > < / a > < span class = "lineno" > < a class = "line" href = "conceptfourdst_1_1composition_1_1utils_1_1_composition_type.html" > 14< / a > < / span > < span class = "keyword" > concept < / span > < a class = "code hl_concept" href = "conceptfourdst_1_1composition_1_1utils_1_1_composition_type.html" > CompositionType< / a > = std::is_base_of_v< CompositionAbstract, CompT> ;< / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < / div >
< div class = "foldopen" id = "foldopen00016" data-start = "{" data-end = "};" >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > < a class = "line" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html" > 16< / a > < / span > < span class = "keyword" > struct < / span > < a class = "code hl_struct" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html" > CompositionHash< / a > {< / div >
< div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > < span class = "keyword" > template< / span > < CompositionType CompositionT> < / div >
< div class = "foldopen" id = "foldopen00018" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > < a class = "line" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#af30bb4f60999d9ad99ad3893efa2de65" > 18< / a > < / span > < span class = "keyword" > static< / span > uint64_t < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#af30bb4f60999d9ad99ad3893efa2de65" > hash_exact< / a > (< span class = "keyword" > const< / span > CompositionT& comp) {< / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > uint64_t h0 = < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ac80f1cb0966ae3d0358e77c7a6f904f5" > kSeed< / a > ;< / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > uint64_t h1 = < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ac80f1cb0966ae3d0358e77c7a6f904f5" > kSeed< / a > ^ < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a534655db7f5270577d2ebd99f7afb233" > kPrime1< / a > ;< / div >
< div class = "line" > < a id = "l00021" name = "l00021" > < / a > < span class = "lineno" > 21< / span > uint64_t h2 = < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ac80f1cb0966ae3d0358e77c7a6f904f5" > kSeed< / a > ^ < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a3ec846d75e05a3f9d852e479bbdeffc0" > kPrime2< / a > ;< / div >
< div class = "line" > < a id = "l00022" name = "l00022" > < / a > < span class = "lineno" > 22< / span > uint64_t h3 = < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ac80f1cb0966ae3d0358e77c7a6f904f5" > kSeed< / a > ^ < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#aaada3987c54d6a960843d28ecac48b12" > kPrime3< / a > ;< / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > 23< / span > < / div >
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > 24< / span > < span class = "keyword" > auto< / span > it = comp.begin();< / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > 25< / span > < span class = "keywordtype" > size_t< / span > remaining = comp.size();< / div >
< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > 26< / span > < / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > 27< / span > < span class = "keywordflow" > while< / span > (remaining > = 4) {< / div >
< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > 28< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & p0 = *it;< / div >
< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > 29< / span > ++it;< / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > h0 ^= < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a84329d89ee262cfc08e358033b4ae6c3" > pack_species_id< / a > (p0.first);< / div >
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > 31< / span > h0 = < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ae4645b210880b3d76e205783fa9a3076" > mum< / a > (h0, < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a534655db7f5270577d2ebd99f7afb233" > kPrime1< / a > );< / div >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / span > h0 ^= < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a492812c018520c057c0a113c9113f9d2" > normalize_double_bits< / a > (p0.second);< / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > h0 = < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ae4645b210880b3d76e205783fa9a3076" > mum< / a > (h0, < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a3ec846d75e05a3f9d852e479bbdeffc0" > kPrime2< / a > );< / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > < / div >
< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & p1 = *it;< / div >
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > ++it;< / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > h1 ^= < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a84329d89ee262cfc08e358033b4ae6c3" > pack_species_id< / a > (p1.first);< / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > h1 = < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ae4645b210880b3d76e205783fa9a3076" > mum< / a > (h1, < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a534655db7f5270577d2ebd99f7afb233" > kPrime1< / a > );< / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > h1 ^= < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a492812c018520c057c0a113c9113f9d2" > normalize_double_bits< / a > (p1.second);< / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > h1 = < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ae4645b210880b3d76e205783fa9a3076" > mum< / a > (h1, < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a3ec846d75e05a3f9d852e479bbdeffc0" > kPrime2< / a > );< / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > 41< / span > < / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & p2 = *it;< / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > ++it;< / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > h2 ^= < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a84329d89ee262cfc08e358033b4ae6c3" > pack_species_id< / a > (p2.first);< / div >
< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > h2 = < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ae4645b210880b3d76e205783fa9a3076" > mum< / a > (h2, < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a534655db7f5270577d2ebd99f7afb233" > kPrime1< / a > );< / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > 46< / span > h2 ^= < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a492812c018520c057c0a113c9113f9d2" > normalize_double_bits< / a > (p2.second);< / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > h2 = < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ae4645b210880b3d76e205783fa9a3076" > mum< / a > (h2, < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a3ec846d75e05a3f9d852e479bbdeffc0" > kPrime2< / a > );< / div >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > 48< / span > < / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > 49< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & p3 = *it;< / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > ++it;< / div >
< div class = "line" > < a id = "l00051" name = "l00051" > < / a > < span class = "lineno" > 51< / span > h3 ^= < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a84329d89ee262cfc08e358033b4ae6c3" > pack_species_id< / a > (p3.first);< / div >
< div class = "line" > < a id = "l00052" name = "l00052" > < / a > < span class = "lineno" > 52< / span > h3 = < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ae4645b210880b3d76e205783fa9a3076" > mum< / a > (h3, < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a534655db7f5270577d2ebd99f7afb233" > kPrime1< / a > );< / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / span > h3 ^= < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a492812c018520c057c0a113c9113f9d2" > normalize_double_bits< / a > (p3.second);< / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > 54< / span > h3 = < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ae4645b210880b3d76e205783fa9a3076" > mum< / a > (h3, < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a3ec846d75e05a3f9d852e479bbdeffc0" > kPrime2< / a > );< / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > < / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > 56< / span > remaining -= 4;< / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > }< / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > < / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > 59< / span > < span class = "keywordflow" > while< / span > (remaining > 0) {< / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & p = *it;< / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > ++it;< / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > h0 ^= < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a84329d89ee262cfc08e358033b4ae6c3" > pack_species_id< / a > (p.first);< / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > h0 = < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ae4645b210880b3d76e205783fa9a3076" > mum< / a > (h0, < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a534655db7f5270577d2ebd99f7afb233" > kPrime1< / a > );< / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > h0 ^= < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a492812c018520c057c0a113c9113f9d2" > normalize_double_bits< / a > (p.second);< / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > h0 = < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ae4645b210880b3d76e205783fa9a3076" > mum< / a > (h0, < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a3ec846d75e05a3f9d852e479bbdeffc0" > kPrime2< / a > );< / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > --remaining;< / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > }< / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > < / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > 69< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ae4645b210880b3d76e205783fa9a3076" > mum< / a > (h0 ^ h1 ^ h2 ^ h3, < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#aaada3987c54d6a960843d28ecac48b12" > kPrime3< / a > );< / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > < / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > < a class = "line" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ac80f1cb0966ae3d0358e77c7a6f904f5" > 73< / a > < / span > < span class = "keyword" > static< / span > < span class = "keyword" > constexpr< / span > uint64_t < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ac80f1cb0966ae3d0358e77c7a6f904f5" > kSeed< / a > = 0xC04D5EEDBEEFull;< / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > < a class = "line" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a534655db7f5270577d2ebd99f7afb233" > 74< / a > < / span > < span class = "keyword" > static< / span > < span class = "keyword" > constexpr< / span > uint64_t < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a534655db7f5270577d2ebd99f7afb233" > kPrime1< / a > = 0xa0761d6478bd642fULL;< / div >
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > < a class = "line" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a3ec846d75e05a3f9d852e479bbdeffc0" > 75< / a > < / span > < span class = "keyword" > static< / span > < span class = "keyword" > constexpr< / span > uint64_t < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a3ec846d75e05a3f9d852e479bbdeffc0" > kPrime2< / a > = 0xe7037ed1a0b428dbULL;< / div >
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > < a class = "line" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#aaada3987c54d6a960843d28ecac48b12" > 76< / a > < / span > < span class = "keyword" > static< / span > < span class = "keyword" > constexpr< / span > uint64_t < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#aaada3987c54d6a960843d28ecac48b12" > kPrime3< / a > = 0x8ebc6af09c88c6e3ULL;< / div >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > < / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > < span class = "comment" > // --- Helper: Fast integer mixing ---< / span > < / div >
< div class = "foldopen" id = "foldopen00079" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > < a class = "line" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ae4645b210880b3d76e205783fa9a3076" > 79< / a > < / span > < span class = "keyword" > static< / span > < span class = "keyword" > inline< / span > uint64_t < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ae4645b210880b3d76e205783fa9a3076" > mum< / a > (< span class = "keyword" > const< / span > uint64_t a, < span class = "keyword" > const< / span > uint64_t b) < span class = "keyword" > noexcept< / span > {< / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > 80< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > unsigned< / span > __int128 r = < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > unsigned< / span > __int128< span class = "keyword" > > < / span > (a) * < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > unsigned< / span > __int128< span class = "keyword" > > < / span > (b);< / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > 81< / span > < span class = "keywordflow" > return< / span > < span class = "keyword" > static_cast< < / span > uint64_t< span class = "keyword" > > < / span > (r) ^ < span class = "keyword" > static_cast< < / span > uint64_t< span class = "keyword" > > < / span > (r > > 64);< / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > < / div >
< div class = "foldopen" id = "foldopen00084" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > < a class = "line" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a8f6f7432f29b9da29d09efccd11373fa" > 84< / a > < / span > < span class = "keyword" > static< / span > < span class = "keyword" > inline< / span > uint64_t < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a8f6f7432f29b9da29d09efccd11373fa" > mix< / a > (< span class = "keyword" > const< / span > uint64_t h) < span class = "keyword" > noexcept< / span > {< / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ae4645b210880b3d76e205783fa9a3076" > mum< / a > (h, < a class = "code hl_variable" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a534655db7f5270577d2ebd99f7afb233" > kPrime1< / a > );< / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > 86< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > < / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > < span class = "comment" > // --- Normalization Logic ---< / span > < / div >
< div class = "foldopen" id = "foldopen00089" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > < a class = "line" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a492812c018520c057c0a113c9113f9d2" > 89< / a > < / span > < span class = "keyword" > static< / span > < span class = "keyword" > inline< / span > uint64_t < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a492812c018520c057c0a113c9113f9d2" > normalize_double_bits< / a > (< span class = "keywordtype" > double< / span > v) < span class = "keyword" > noexcept< / span > {< / div >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > 90< / span > < span class = "keywordflow" > if< / span > (v == 0.0) v = 0.0; < span class = "comment" > // fold -0.0 -> +0.0< / span > < / div >
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > < span class = "keywordflow" > if< / span > (std::isnan(v)) {< / div >
< div class = "line" > < a id = "l00092" name = "l00092" > < / a > < span class = "lineno" > 92< / span > < span class = "keywordflow" > return< / span > 0x7ff8000000000000ULL; < span class = "comment" > // canonical quiet NaN< / span > < / div >
< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > }< / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > 94< / span > < span class = "keywordflow" > return< / span > std::bit_cast< uint64_t> (v);< / div >
< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > 95< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > 96< / span > < / div >
< div class = "foldopen" id = "foldopen00097" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > < a class = "line" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a84329d89ee262cfc08e358033b4ae6c3" > 97< / a > < / span > < span class = "keyword" > static< / span > < span class = "keyword" > inline< / span > uint32_t < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a84329d89ee262cfc08e358033b4ae6c3" > pack_species_id< / a > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & s) < span class = "keyword" > noexcept< / span > {< / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > z = < span class = "keyword" > static_cast< < / span > uint16_t< span class = "keyword" > > < / span > (s.z());< / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > a = < span class = "keyword" > static_cast< < / span > uint16_t< span class = "keyword" > > < / span > (s.a());< / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > < span class = "keywordflow" > return< / span > (< span class = "keyword" > static_cast< < / span > uint32_t< span class = "keyword" > > < / span > (z) < < 16) | < span class = "keyword" > static_cast< < / span > uint32_t< span class = "keyword" > > < / span > (a);< / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > 102< / span > };< / div >
< / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > < / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > < span class = "keyword" > template< / span > < > < / div >
< div class = "foldopen" id = "foldopen00106" data-start = "{" data-end = "};" >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > < a class = "line" href = "structstd_1_1hash_3_01fourdst_1_1composition_1_1_composition_abstract_01_4.html" > 106< / a > < / span > < span class = "keyword" > struct < / span > std::hash< < a class = "code hl_namespace" href = "namespacefourdst.html" > fourdst< / a > ::composition::CompositionAbstract> {< / div >
< div class = "foldopen" id = "foldopen00107" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > < a class = "line" href = "structstd_1_1hash_3_01fourdst_1_1composition_1_1_composition_abstract_01_4.html#a1d1f55cfb8f4605a477e368bb2f8d860" > 107< / a > < / span > std::size_t < a class = "code hl_function" href = "structstd_1_1hash_3_01fourdst_1_1composition_1_1_composition_abstract_01_4.html#a1d1f55cfb8f4605a477e368bb2f8d860" > operator()< / a > (< span class = "keyword" > const< / span > < a class = "code hl_class" href = "classfourdst_1_1composition_1_1_composition_abstract.html" > fourdst::composition::CompositionAbstract< / a > & c) < span class = "keyword" > const< / span > < span class = "keyword" > noexcept< / span > {< / div >
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > < span class = "keywordflow" > return< / span > < span class = "keyword" > static_cast< < / span > std::size_t< span class = "keyword" > > < / span > (< / div >
< div class = "line" > < a id = "l00109" name = "l00109" > < / a > < span class = "lineno" > 109< / span > < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#af30bb4f60999d9ad99ad3893efa2de65" > fourdst::composition::utils::CompositionHash::hash_exact< / a > (c)< / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > 110< / span > );< / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > };< / div >
< / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > < span class = "keyword" > template< / span > < > < / div >
< div class = "foldopen" id = "foldopen00114" data-start = "{" data-end = "};" >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > < a class = "line" href = "structstd_1_1hash_3_01fourdst_1_1composition_1_1_composition_01_4.html" > 114< / a > < / span > < span class = "keyword" > struct < / span > std::hash< < a class = "code hl_namespace" href = "namespacefourdst.html" > fourdst< / a > ::composition::Composition> {< / div >
< div class = "foldopen" id = "foldopen00115" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > < a class = "line" href = "structstd_1_1hash_3_01fourdst_1_1composition_1_1_composition_01_4.html#a20ef7280a7d2353f5b391a1a00263d0c" > 115< / a > < / span > std::size_t < a class = "code hl_function" href = "structstd_1_1hash_3_01fourdst_1_1composition_1_1_composition_01_4.html#a20ef7280a7d2353f5b391a1a00263d0c" > operator()< / a > (< span class = "keyword" > const< / span > < a class = "code hl_class" href = "classfourdst_1_1composition_1_1_composition.html" > fourdst::composition::Composition< / a > & c) < span class = "keyword" > const< / span > < span class = "keyword" > noexcept< / span > {< / div >
< div class = "line" > < a id = "l00116" name = "l00116" > < / a > < span class = "lineno" > 116< / span > < span class = "keywordflow" > return< / span > < span class = "keyword" > static_cast< < / span > std::size_t< span class = "keyword" > > < / span > (< / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > 117< / span > < a class = "code hl_function" href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#af30bb4f60999d9ad99ad3893efa2de65" > fourdst::composition::utils::CompositionHash::hash_exact< / a > (c)< / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > );< / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > };< / div >
< / div >
< div class = "ttc" id = "aclassfourdst_1_1composition_1_1_composition_abstract_html" > < div class = "ttname" > < a href = "classfourdst_1_1composition_1_1_composition_abstract.html" > fourdst::composition::CompositionAbstract< / a > < / div > < div class = "ttdoc" > Abstract base class for chemical composition representations.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "composition__abstract_8h_source.html#l00036" > composition_abstract.h:36< / a > < / div > < / div >
< div class = "ttc" id = "aclassfourdst_1_1composition_1_1_composition_html" > < div class = "ttname" > < a href = "classfourdst_1_1composition_1_1_composition.html" > fourdst::composition::Composition< / a > < / div > < div class = "ttdoc" > Manages a collection of chemical species and their abundances.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "composition_8h_source.html#l00099" > composition.h:99< / a > < / div > < / div >
< div class = "ttc" id = "acomposition_8h_html" > < div class = "ttname" > < a href = "composition_8h.html" > composition.h< / a > < / div > < / div >
< div class = "ttc" id = "acomposition__abstract_8h_html" > < div class = "ttname" > < a href = "composition__abstract_8h.html" > composition_abstract.h< / a > < / div > < / div >
< div class = "ttc" id = "aconceptfourdst_1_1composition_1_1utils_1_1_composition_type_html" > < div class = "ttname" > < a href = "conceptfourdst_1_1composition_1_1utils_1_1_composition_type.html" > fourdst::composition::utils::CompositionType< / a > < / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00014" > composition_hash.h:14< / a > < / div > < / div >
< div class = "ttc" id = "anamespacefourdst_1_1composition_1_1utils_html" > < div class = "ttname" > < a href = "namespacefourdst_1_1composition_1_1utils.html" > fourdst::composition::utils< / a > < / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00011" > composition_hash.h:11< / a > < / div > < / div >
< div class = "ttc" id = "anamespacefourdst_html" > < div class = "ttname" > < a href = "namespacefourdst.html" > fourdst< / a > < / div > < / div >
< div class = "ttc" id = "astructfourdst_1_1composition_1_1utils_1_1_composition_hash_html" > < div class = "ttname" > < a href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html" > fourdst::composition::utils::CompositionHash< / a > < / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00016" > composition_hash.h:16< / a > < / div > < / div >
< div class = "ttc" id = "astructfourdst_1_1composition_1_1utils_1_1_composition_hash_html_a3ec846d75e05a3f9d852e479bbdeffc0" > < div class = "ttname" > < a href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a3ec846d75e05a3f9d852e479bbdeffc0" > fourdst::composition::utils::CompositionHash::kPrime2< / a > < / div > < div class = "ttdeci" > static constexpr uint64_t kPrime2< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00075" > composition_hash.h:75< / a > < / div > < / div >
< div class = "ttc" id = "astructfourdst_1_1composition_1_1utils_1_1_composition_hash_html_a492812c018520c057c0a113c9113f9d2" > < div class = "ttname" > < a href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a492812c018520c057c0a113c9113f9d2" > fourdst::composition::utils::CompositionHash::normalize_double_bits< / a > < / div > < div class = "ttdeci" > static uint64_t normalize_double_bits(double v) noexcept< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00089" > composition_hash.h:89< / a > < / div > < / div >
< div class = "ttc" id = "astructfourdst_1_1composition_1_1utils_1_1_composition_hash_html_a534655db7f5270577d2ebd99f7afb233" > < div class = "ttname" > < a href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a534655db7f5270577d2ebd99f7afb233" > fourdst::composition::utils::CompositionHash::kPrime1< / a > < / div > < div class = "ttdeci" > static constexpr uint64_t kPrime1< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00074" > composition_hash.h:74< / a > < / div > < / div >
< div class = "ttc" id = "astructfourdst_1_1composition_1_1utils_1_1_composition_hash_html_a84329d89ee262cfc08e358033b4ae6c3" > < div class = "ttname" > < a href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a84329d89ee262cfc08e358033b4ae6c3" > fourdst::composition::utils::CompositionHash::pack_species_id< / a > < / div > < div class = "ttdeci" > static uint32_t pack_species_id(const auto & s) noexcept< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00097" > composition_hash.h:97< / a > < / div > < / div >
< div class = "ttc" id = "astructfourdst_1_1composition_1_1utils_1_1_composition_hash_html_a8f6f7432f29b9da29d09efccd11373fa" > < div class = "ttname" > < a href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#a8f6f7432f29b9da29d09efccd11373fa" > fourdst::composition::utils::CompositionHash::mix< / a > < / div > < div class = "ttdeci" > static uint64_t mix(const uint64_t h) noexcept< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00084" > composition_hash.h:84< / a > < / div > < / div >
< div class = "ttc" id = "astructfourdst_1_1composition_1_1utils_1_1_composition_hash_html_aaada3987c54d6a960843d28ecac48b12" > < div class = "ttname" > < a href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#aaada3987c54d6a960843d28ecac48b12" > fourdst::composition::utils::CompositionHash::kPrime3< / a > < / div > < div class = "ttdeci" > static constexpr uint64_t kPrime3< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00076" > composition_hash.h:76< / a > < / div > < / div >
< div class = "ttc" id = "astructfourdst_1_1composition_1_1utils_1_1_composition_hash_html_ac80f1cb0966ae3d0358e77c7a6f904f5" > < div class = "ttname" > < a href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ac80f1cb0966ae3d0358e77c7a6f904f5" > fourdst::composition::utils::CompositionHash::kSeed< / a > < / div > < div class = "ttdeci" > static constexpr uint64_t kSeed< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00073" > composition_hash.h:73< / a > < / div > < / div >
< div class = "ttc" id = "astructfourdst_1_1composition_1_1utils_1_1_composition_hash_html_ae4645b210880b3d76e205783fa9a3076" > < div class = "ttname" > < a href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#ae4645b210880b3d76e205783fa9a3076" > fourdst::composition::utils::CompositionHash::mum< / a > < / div > < div class = "ttdeci" > static uint64_t mum(const uint64_t a, const uint64_t b) noexcept< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00079" > composition_hash.h:79< / a > < / div > < / div >
< div class = "ttc" id = "astructfourdst_1_1composition_1_1utils_1_1_composition_hash_html_af30bb4f60999d9ad99ad3893efa2de65" > < div class = "ttname" > < a href = "structfourdst_1_1composition_1_1utils_1_1_composition_hash.html#af30bb4f60999d9ad99ad3893efa2de65" > fourdst::composition::utils::CompositionHash::hash_exact< / a > < / div > < div class = "ttdeci" > static uint64_t hash_exact(const CompositionT & comp)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00018" > composition_hash.h:18< / a > < / div > < / div >
< div class = "ttc" id = "astructstd_1_1hash_3_01fourdst_1_1composition_1_1_composition_01_4_html_a20ef7280a7d2353f5b391a1a00263d0c" > < div class = "ttname" > < a href = "structstd_1_1hash_3_01fourdst_1_1composition_1_1_composition_01_4.html#a20ef7280a7d2353f5b391a1a00263d0c" > std::hash< fourdst::composition::Composition > ::operator()< / a > < / div > < div class = "ttdeci" > std::size_t operator()(const fourdst::composition::Composition & c) const noexcept< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00115" > composition_hash.h:115< / a > < / div > < / div >
< div class = "ttc" id = "astructstd_1_1hash_3_01fourdst_1_1composition_1_1_composition_abstract_01_4_html_a1d1f55cfb8f4605a477e368bb2f8d860" > < div class = "ttname" > < a href = "structstd_1_1hash_3_01fourdst_1_1composition_1_1_composition_abstract_01_4.html#a1d1f55cfb8f4605a477e368bb2f8d860" > std::hash< fourdst::composition::CompositionAbstract > ::operator()< / a > < / div > < div class = "ttdeci" > std::size_t operator()(const fourdst::composition::CompositionAbstract & c) const noexcept< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00107" > composition_hash.h:107< / a > < / div > < / div >
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