56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
#include "coord/simd.hpp"
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#include "tap.hpp"
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int
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main ()
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{
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using util::coord::simd;
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util::TAP::logger tap;
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std::clog << "rounding mode is: " << [] () {
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switch (_MM_GET_ROUNDING_MODE ()) {
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case _MM_ROUND_NEAREST: return "nearest";
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case _MM_ROUND_DOWN: return "down";
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case _MM_ROUND_UP: return "up";
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case _MM_ROUND_TOWARD_ZERO: return "toward_zero";
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}
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return "unknown";
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} () << '\n';
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{
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const simd a (1,2,3,4);
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const simd b (4,1,3,2);
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const float res = dot (a, b)[0];
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tap.expect_eq (res, 4+2+9+8, "trivial dot product");
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}
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{
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const simd a (1, 2, 3, 4);
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const simd b (0, 3, 3, 9);
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const auto lo = min (a, b);
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const auto hi = max (a, b);
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tap.expect_eq (lo, simd {0,2,3,4}, "vector minimum");
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tap.expect_eq (hi, simd {1,3,3,9}, "vector maximum");
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}
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{
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const simd val { -INFINITY, INFINITY, 0, -9 };
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tap.expect_eq (abs (val), simd {INFINITY,INFINITY,0,9}, "absolute value");
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}
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{
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const simd test { -1.25f, 1.25f, 0.f, 1.f };
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const auto lo = floor (test);
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const auto hi = ceil (test);
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tap.expect_eq (lo, simd { -2, 1, 0, 1 }, "floor");
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tap.expect_eq (hi, simd { -1, 2, 0, 1 }, "ceil");
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};
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return tap.status ();
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} |