libcruft-util/test/coord/simd.cpp
Danny Robson f6056153e3 rename root namespace from util to cruft
This places, at long last, the core library code into the same namespace
as the extended library code.
2018-08-05 14:42:02 +10:00

50 lines
1.3 KiB
C++

#include "coord/simd.hpp"
#include "tap.hpp"
int
main ()
{
using simd_t = cruft::coord::simd<4,float>;
cruft::TAP::logger tap;
{
const simd_t a (1,2,3,4);
const simd_t b (4,1,3,2);
const float res = dot (a, b)[0];
tap.expect_eq (res, 4+2+9+8, "trivial dot product");
}
{
const simd_t a (1, 2, 3, 4);
const simd_t b (0, 3, 3, 9);
const auto lo = min (a, b);
const auto hi = max (a, b);
tap.expect_eq (lo, simd_t {0,2,3,4}, "vector minimum");
tap.expect_eq (hi, simd_t {1,3,3,9}, "vector maximum");
}
{
const simd_t val { -INFINITY, INFINITY, 0, -9 };
tap.expect_eq (abs (val), simd_t {INFINITY,INFINITY,0,9}, "absolute value");
}
{
const simd_t test { -1.25f, 1.25f, 0.f, 1.f };
const auto lo = floor (test);
const auto hi = ceil (test);
tap.expect_eq (lo, simd_t { -2, 1, 0, 1 }, "floor");
tap.expect_eq (hi, simd_t { -1, 2, 0, 1 }, "ceil");
};
tap.expect_eq (simd_t {1,2,3,4}.x, 1.f, "named accessor, x");
tap.expect_eq (simd_t {1,2,3,4}.y, 2.f, "named accessor, y");
tap.expect_eq (simd_t {1,2,3,4}.z, 3.f, "named accessor, z");
tap.expect_eq (simd_t {1,2,3,4}.w, 4.f, "named accessor, w");
return tap.status ();
}