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Commit 4c4649cb authored by Stefan Dösinger's avatar Stefan Dösinger Committed by Alexandre Julliard
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d3dx9/tests: Use float bit patterns in test_D3DXFloat_Array.

Signed-off-by: 's avatarStefan Dösinger <stefan@codeweavers.com> Signed-off-by: 's avatarMatteo Bruni <mbruni@codeweavers.com> Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent 61a1a266
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dlls/d3dx9_36/tests/math.c
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......@@ -2368,52 +2368,62 @@ static void test_D3DXVec_Array(void)
static void test_D3DXFloat_Array(void)
{
static const float z = 0.0f;
/* Compilers set different sign bits on 0.0 / 0.0, pick the right ones for NaN and -NaN */
float tmpnan = 0.0f/z;
float nnan = copysignf(1, tmpnan) < 0.0f ? tmpnan : -tmpnan;
float nan = -nnan;
unsigned int i;
void *out = NULL;
D3DXFLOAT16 half;
FLOAT single;
/* Input floats through bit patterns because compilers do not generate reliable INF and NaN values. */
union convert
{
DWORD d;
FLOAT f;
};
struct
{
FLOAT single_in;
union convert single_in;
/* half_ver2 occurs on WXPPROSP3 (32 bit math), WVISTAADM (32/64 bit math), W7PRO (32 bit math) */
WORD half_ver1, half_ver2;
/* single_out_ver2 confirms that half -> single conversion is consistent across platforms */
FLOAT single_out_ver1, single_out_ver2;
} testdata[] = {
{ 80000.0f, 0x7c00, 0x7ce2, 65536.0f, 80000.0f },
{ 65503.0f, 0x7bff, 0x7bff, 65504.0f, 65504.0f },
{ 65504.0f, 0x7bff, 0x7bff, 65504.0f, 65504.0f },
{ 65520.0f, 0x7bff, 0x7c00, 65504.0f, 65536.0f },
{ 65521.0f, 0x7c00, 0x7c00, 65536.0f, 65536.0f },
{ 65534.0f, 0x7c00, 0x7c00, 65536.0f, 65536.0f },
{ 65535.0f, 0x7c00, 0x7c00, 65535.0f, 65536.0f },
{ 65536.0f, 0x7c00, 0x7c00, 65536.0f, 65536.0f },
{ -80000.0f, 0xfc00, 0xfce2, -65536.0f, -80000.0f },
{ -65503.0f, 0xfbff, 0xfbff, -65504.0f, -65504.0f },
{ -65504.0f, 0xfbff, 0xfbff, -65504.0f, -65504.0f },
{ -65520.0f, 0xfbff, 0xfc00, -65504.0f, -65536.0f },
{ -65521.0f, 0xfc00, 0xfc00, -65536.0f, -65536.0f },
{ -65534.0f, 0xfc00, 0xfc00, -65536.0f, -65536.0f },
{ -65535.0f, 0xfc00, 0xfc00, -65535.0f, -65536.0f },
{ -65536.0f, 0xfc00, 0xfc00, -65536.0f, -65536.0f },
{ 1.0f/z, 0x7c00, 0x7fff, 65536.0f, 131008.0f },
{ -1.0f/z, 0xffff, 0xffff, -131008.0f, -131008.0f },
{ nan, 0x7fff, 0xffff, 131008.0f, -131008.0f },
{ nnan, 0xffff, 0xffff, -131008.0f, -131008.0f },
{ 0.0f, 0x0, 0x0, 0.0f, 0.0f },
{ -0.0f, 0x8000, 0x8000, 0.0f, 0.0f },
{ 2.9809595e-08f, 0x0, 0x0, 0.0f, 0.0f },
{ -2.9809595e-08f, 0x8000, 0x8000, -0.0f, -0.0f },
{ 2.9809598e-08f, 0x1, 0x0, 5.96046e-08f, 5.96046e-08f },
{ -2.9809598e-08f, 0x8001, 0x8000, -5.96046e-08f, -5.96046e-08f },
{ 8.9406967e-08f, 0x2, 0x1, 1.19209e-07f, 5.96046e-008 }
union convert single_out_ver1, single_out_ver2;
}
testdata[] =
{
{ { 0x479c4000 }, 0x7c00, 0x7ce2, { 0x47800000 }, { 0x479c4000 } }, /* 80000.0f */
{ { 0x477fdf00 }, 0x7bff, 0x7bff, { 0x477fe000 }, { 0x477fe000 } }, /* 65503.0f */
{ { 0x477fe000 }, 0x7bff, 0x7bff, { 0x477fe000 }, { 0x477fe000 } }, /* 65504.0f */
{ { 0x477ff000 }, 0x7bff, 0x7c00, { 0x477fe000 }, { 0x47800000 } }, /* 65520.0f */
{ { 0x477ff100 }, 0x7c00, 0x7c00, { 0x47800000 }, { 0x47800000 } }, /* 65521.0f */
{ { 0x477ffe00 }, 0x7c00, 0x7c00, { 0x47800000 }, { 0x47800000 } }, /* 65534.0f */
{ { 0x477fff00 }, 0x7c00, 0x7c00, { 0x477fff00 }, { 0x47800000 } }, /* 65535.0f */
{ { 0x47800000 }, 0x7c00, 0x7c00, { 0x47800000 }, { 0x47800000 } }, /* 65536.0f */
{ { 0xc79c4000 }, 0xfc00, 0xfce2, { 0xc7800000 }, { 0xc79c4000 } }, /* -80000.0f */
{ { 0xc77fdf00 }, 0xfbff, 0xfbff, { 0xc77fe000 }, { 0xc77fe000 } }, /* -65503.0f */
{ { 0xc77fe000 }, 0xfbff, 0xfbff, { 0xc77fe000 }, { 0xc77fe000 } }, /* -65504.0f */
{ { 0xc77ff000 }, 0xfbff, 0xfc00, { 0xc77fe000 }, { 0xc7800000 } }, /* -65520.0f */
{ { 0xc77ff100 }, 0xfc00, 0xfc00, { 0xc7800000 }, { 0xc7800000 } }, /* -65521.0f */
{ { 0xc77ffe00 }, 0xfc00, 0xfc00, { 0xc7800000 }, { 0xc7800000 } }, /* -65534.0f */
{ { 0xc77fff00 }, 0xfc00, 0xfc00, { 0xc77fff00 }, { 0xc7800000 } }, /* -65535.0f */
{ { 0xc7800000 }, 0xfc00, 0xfc00, { 0xc7800000 }, { 0xc7800000 } }, /* -65536.0f */
{ { 0x7f800000 }, 0x7c00, 0x7fff, { 0x47800000 }, { 0x47ffe000 } }, /* INF */
{ { 0xff800000 }, 0xffff, 0xffff, { 0xc7ffe000 }, { 0xc7ffe000 } }, /* -INF */
{ { 0x7fc00000 }, 0x7fff, 0xffff, { 0x47ffe000 }, { 0xc7ffe000 } }, /* NaN */
{ { 0xffc00000 }, 0xffff, 0xffff, { 0xc7ffe000 }, { 0xc7ffe000 } }, /* -NaN */
{ { 0x00000000 }, 0x0000, 0x0000, { 0x00000000 }, { 0x00000000 } }, /* 0.0f */
{ { 0x80000000 }, 0x8000, 0x8000, { 0x00000000 }, { 0x00000000 } }, /* -0.0f */
{ { 0x330007ff }, 0x0000, 0x0000, { 0x00000000 }, { 0x00000000 } }, /* 2.9809595e-08f */
{ { 0xb30007ff }, 0x8000, 0x8000, { 0x80000000 }, { 0x80000000 } }, /* -2.9809595e-08f */
{ { 0x33000800 }, 0x0001, 0x0000, { 0x337ffff3 }, { 0x337ffff3 } }, /* 2.9809598e-08f */
{ { 0xb3000800 }, 0x8001, 0x8000, { 0xb37ffff3 } ,{ 0xb37ffff3 } }, /* -2.9809598e-08f */
{ { 0x33c00000 }, 0x0002, 0x0001, { 0x33ffffd7 }, { 0x337ffff3 } }, /* 8.9406967e-08f */
};
/* exception on NULL out or in parameter */
......@@ -2425,7 +2435,7 @@ static void test_D3DXFloat_Array(void)
for (i = 0; i < sizeof(testdata)/sizeof(testdata[0]); i++)
{
out = D3DXFloat32To16Array(&half, &testdata[i].single_in, 1);
out = D3DXFloat32To16Array(&half, &testdata[i].single_in.f, 1);
ok(out == &half, "Got %p, expected %p.\n", out, &half);
ok(half.value == testdata[i].half_ver1 || half.value == testdata[i].half_ver2,
"Got %x, expected %x or %x for index %d.\n", half.value, testdata[i].half_ver1,
......@@ -2433,13 +2443,13 @@ static void test_D3DXFloat_Array(void)
out = D3DXFloat16To32Array(&single, (D3DXFLOAT16 *)&testdata[i].half_ver1, 1);
ok(out == &single, "Got %p, expected %p.\n", out, &single);
ok(relative_error(single, testdata[i].single_out_ver1) < admitted_error,
"Got %g, expected %g for index %d.\n", single, testdata[i].single_out_ver1, i);
ok(relative_error(single, testdata[i].single_out_ver1.f) < admitted_error,
"Got %g, expected %g for index %d.\n", single, testdata[i].single_out_ver1.f, i);
out = D3DXFloat16To32Array(&single, (D3DXFLOAT16 *)&testdata[i].half_ver2, 1);
ok(out == &single, "Got %p, expected %p.\n", out, &single);
ok(relative_error(single, testdata[i].single_out_ver2) < admitted_error,
"Got %g, expected %g for index %d.\n", single, testdata[i].single_out_ver2, i);
ok(relative_error(single, testdata[i].single_out_ver2.f) < admitted_error,
"Got %g, expected %g for index %d.\n", single, testdata[i].single_out_ver2.f, i);
}
}
......
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