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Add increment/decrement operators to Eigen::half.

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This is for consistency with bfloat16, and to support initialization
with `std::iota`.
This commit is contained in:
Antonio Sanchez
2021-03-15 10:50:37 -07:00
parent b271110788
commit 14487ed14e
2 changed files with 36 additions and 0 deletions
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14
test/half_float.cpp
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@@ -168,6 +168,20 @@ void test_arithmetic()
VERIFY_IS_APPROX(float(half(1.0f) / half(3.0f)), 0.33333f);
VERIFY_IS_EQUAL(float(-half(4096.0f)), -4096.0f);
VERIFY_IS_EQUAL(float(-half(-4096.0f)), 4096.0f);
half x(3);
half y = ++x;
VERIFY_IS_EQUAL(x, half(4));
VERIFY_IS_EQUAL(y, half(4));
y = --x;
VERIFY_IS_EQUAL(x, half(3));
VERIFY_IS_EQUAL(y, half(3));
y = x++;
VERIFY_IS_EQUAL(x, half(4));
VERIFY_IS_EQUAL(y, half(3));
y = x--;
VERIFY_IS_EQUAL(x, half(3));
VERIFY_IS_EQUAL(y, half(4));
}
void test_comparison()