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Add print for SSE/NEON, use NEON rounding intrinsics if available.

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In SSE, by adding/subtracting 2^MantissaBits, we force rounding according to the
current rounding mode.

For NEON, we use the provided intrinsics for rint/floor/ceil if
available (armv8).

Related to #1969.
This commit is contained in:
Antonio Sanchez
2021-02-25 14:29:49 -08:00
committed by Antonio Sánchez
parent 976ae0ca6f
commit 1e0c7d4f49
4 changed files with 140 additions and 149 deletions
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3
test/packetmath.cpp
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@@ -577,6 +577,9 @@ void packetmath_real() {
values.push_back(Scalar(-1.5) + val); // Bug 1785.
val = val / Scalar(2);
}
values.push_back(NumTraits<Scalar>::infinity());
values.push_back(-NumTraits<Scalar>::infinity());
values.push_back(NumTraits<Scalar>::quiet_NaN());
for (size_t k=0; k<values.size(); ++k) {
data1[0] = values[k];