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C++: Round towards positive infinity (#1134)

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Guillaume Jenkins 2018-08-28 10:59:21 -04:00 committed by GitHub
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commit 239952aff5
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1 changed files with 3 additions and 1 deletions
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libs/core/core.cpp
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@ -772,7 +772,9 @@ TNumber trunc(TNumber x){SINGLE(trunc)}
//% //%
TNumber round(TNumber x) { TNumber round(TNumber x) {
SINGLE(round) // In C++, round(-1.5) == -2, while in JS, round(-1.5) == -1. Align to the JS convention for consistency between
// simulator and device. The following does rounding with ties (x.5) going towards positive infinity.
return fromDouble(::floor(toDouble(x) + 0.5));
} }
//% //%