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Implement floating point API #183

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merged 1 commit into from
Aug 22, 2017
Merged

Implement floating point API #183

merged 1 commit into from
Aug 22, 2017

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elmato
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@elmato elmato commented Aug 16, 2017

Ref #144

@elmato elmato requested a review from bytemaster August 16, 2017 16:47
bytemaster
bytemaster suggested changes Aug 16, 2017
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libraries/chain/wasm_interface.cpp
@@ -16,6 +17,7 @@
namespace eos { namespace chain {
using namespace IR;
using namespace Runtime;
typedef boost::multiprecision::cpp_dec_float_50 DOUBLE;
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The actual precision of a cpp_dec_float is always slightly higher than the number of digits specified in the template parameter, actually how much higher is an implementation detail but is always at least 8 decimal digits.

This indicates that it may not be deterministic.

The documentation for cpp_bin_float_50 does not have such a disclaimer, that said we should verify that under the hood it only uses integer maths.

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I'm going to merge this now, but we will create an issue to have it fixed.

@bytemaster bytemaster merged commit 8e44dc6 into master Aug 22, 2017
ljrprocc pushed a commit to bithacks-tech/myeosio that referenced this pull request Jul 4, 2018
Merge pull request EOSIO#183 from enumivo/tokentomaster
a6a7593 
update stake threshold
NorseGaud pushed a commit that referenced this pull request Jul 30, 2019
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@renardbebe renardbebe mentioned this pull request Feb 19, 2022
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@elmato @bytemaster