forked from Mirrors/wine-wine
d3dx9/tests: Use float bit patterns in test_D3DXFloat_Array.
Signed-off-by: Stefan Dösinger <stefan@codeweavers.com> Signed-off-by: Matteo Bruni <mbruni@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>oldstable
Stefan Dösinger
Alexandre Julliard
parent
61a1a266fa
commit
4c4649cba4
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@ -2368,52 +2368,62 @@ static void test_D3DXVec_Array(void)
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static void test_D3DXFloat_Array(void)
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{
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static const float z = 0.0f;
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/* Compilers set different sign bits on 0.0 / 0.0, pick the right ones for NaN and -NaN */
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float tmpnan = 0.0f/z;
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float nnan = copysignf(1, tmpnan) < 0.0f ? tmpnan : -tmpnan;
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float nan = -nnan;
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unsigned int i;
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void *out = NULL;
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D3DXFLOAT16 half;
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FLOAT single;
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/* Input floats through bit patterns because compilers do not generate reliable INF and NaN values. */
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union convert
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{
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DWORD d;
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FLOAT f;
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};
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struct
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{
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FLOAT single_in;
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union convert single_in;
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/* half_ver2 occurs on WXPPROSP3 (32 bit math), WVISTAADM (32/64 bit math), W7PRO (32 bit math) */
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WORD half_ver1, half_ver2;
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/* single_out_ver2 confirms that half -> single conversion is consistent across platforms */
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FLOAT single_out_ver1, single_out_ver2;
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} testdata[] = {
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{ 80000.0f, 0x7c00, 0x7ce2, 65536.0f, 80000.0f },
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{ 65503.0f, 0x7bff, 0x7bff, 65504.0f, 65504.0f },
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{ 65504.0f, 0x7bff, 0x7bff, 65504.0f, 65504.0f },
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{ 65520.0f, 0x7bff, 0x7c00, 65504.0f, 65536.0f },
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{ 65521.0f, 0x7c00, 0x7c00, 65536.0f, 65536.0f },
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{ 65534.0f, 0x7c00, 0x7c00, 65536.0f, 65536.0f },
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{ 65535.0f, 0x7c00, 0x7c00, 65535.0f, 65536.0f },
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{ 65536.0f, 0x7c00, 0x7c00, 65536.0f, 65536.0f },
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{ -80000.0f, 0xfc00, 0xfce2, -65536.0f, -80000.0f },
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{ -65503.0f, 0xfbff, 0xfbff, -65504.0f, -65504.0f },
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{ -65504.0f, 0xfbff, 0xfbff, -65504.0f, -65504.0f },
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{ -65520.0f, 0xfbff, 0xfc00, -65504.0f, -65536.0f },
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{ -65521.0f, 0xfc00, 0xfc00, -65536.0f, -65536.0f },
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{ -65534.0f, 0xfc00, 0xfc00, -65536.0f, -65536.0f },
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{ -65535.0f, 0xfc00, 0xfc00, -65535.0f, -65536.0f },
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{ -65536.0f, 0xfc00, 0xfc00, -65536.0f, -65536.0f },
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{ 1.0f/z, 0x7c00, 0x7fff, 65536.0f, 131008.0f },
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{ -1.0f/z, 0xffff, 0xffff, -131008.0f, -131008.0f },
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{ nan, 0x7fff, 0xffff, 131008.0f, -131008.0f },
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{ nnan, 0xffff, 0xffff, -131008.0f, -131008.0f },
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{ 0.0f, 0x0, 0x0, 0.0f, 0.0f },
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{ -0.0f, 0x8000, 0x8000, 0.0f, 0.0f },
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{ 2.9809595e-08f, 0x0, 0x0, 0.0f, 0.0f },
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{ -2.9809595e-08f, 0x8000, 0x8000, -0.0f, -0.0f },
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{ 2.9809598e-08f, 0x1, 0x0, 5.96046e-08f, 5.96046e-08f },
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{ -2.9809598e-08f, 0x8001, 0x8000, -5.96046e-08f, -5.96046e-08f },
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{ 8.9406967e-08f, 0x2, 0x1, 1.19209e-07f, 5.96046e-008 }
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union convert single_out_ver1, single_out_ver2;
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}
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testdata[] =
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{
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{ { 0x479c4000 }, 0x7c00, 0x7ce2, { 0x47800000 }, { 0x479c4000 } }, /* 80000.0f */
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{ { 0x477fdf00 }, 0x7bff, 0x7bff, { 0x477fe000 }, { 0x477fe000 } }, /* 65503.0f */
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{ { 0x477fe000 }, 0x7bff, 0x7bff, { 0x477fe000 }, { 0x477fe000 } }, /* 65504.0f */
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{ { 0x477ff000 }, 0x7bff, 0x7c00, { 0x477fe000 }, { 0x47800000 } }, /* 65520.0f */
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{ { 0x477ff100 }, 0x7c00, 0x7c00, { 0x47800000 }, { 0x47800000 } }, /* 65521.0f */
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{ { 0x477ffe00 }, 0x7c00, 0x7c00, { 0x47800000 }, { 0x47800000 } }, /* 65534.0f */
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{ { 0x477fff00 }, 0x7c00, 0x7c00, { 0x477fff00 }, { 0x47800000 } }, /* 65535.0f */
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{ { 0x47800000 }, 0x7c00, 0x7c00, { 0x47800000 }, { 0x47800000 } }, /* 65536.0f */
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{ { 0xc79c4000 }, 0xfc00, 0xfce2, { 0xc7800000 }, { 0xc79c4000 } }, /* -80000.0f */
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{ { 0xc77fdf00 }, 0xfbff, 0xfbff, { 0xc77fe000 }, { 0xc77fe000 } }, /* -65503.0f */
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{ { 0xc77fe000 }, 0xfbff, 0xfbff, { 0xc77fe000 }, { 0xc77fe000 } }, /* -65504.0f */
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{ { 0xc77ff000 }, 0xfbff, 0xfc00, { 0xc77fe000 }, { 0xc7800000 } }, /* -65520.0f */
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{ { 0xc77ff100 }, 0xfc00, 0xfc00, { 0xc7800000 }, { 0xc7800000 } }, /* -65521.0f */
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{ { 0xc77ffe00 }, 0xfc00, 0xfc00, { 0xc7800000 }, { 0xc7800000 } }, /* -65534.0f */
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{ { 0xc77fff00 }, 0xfc00, 0xfc00, { 0xc77fff00 }, { 0xc7800000 } }, /* -65535.0f */
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{ { 0xc7800000 }, 0xfc00, 0xfc00, { 0xc7800000 }, { 0xc7800000 } }, /* -65536.0f */
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{ { 0x7f800000 }, 0x7c00, 0x7fff, { 0x47800000 }, { 0x47ffe000 } }, /* INF */
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{ { 0xff800000 }, 0xffff, 0xffff, { 0xc7ffe000 }, { 0xc7ffe000 } }, /* -INF */
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{ { 0x7fc00000 }, 0x7fff, 0xffff, { 0x47ffe000 }, { 0xc7ffe000 } }, /* NaN */
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{ { 0xffc00000 }, 0xffff, 0xffff, { 0xc7ffe000 }, { 0xc7ffe000 } }, /* -NaN */
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{ { 0x00000000 }, 0x0000, 0x0000, { 0x00000000 }, { 0x00000000 } }, /* 0.0f */
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{ { 0x80000000 }, 0x8000, 0x8000, { 0x00000000 }, { 0x00000000 } }, /* -0.0f */
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{ { 0x330007ff }, 0x0000, 0x0000, { 0x00000000 }, { 0x00000000 } }, /* 2.9809595e-08f */
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{ { 0xb30007ff }, 0x8000, 0x8000, { 0x80000000 }, { 0x80000000 } }, /* -2.9809595e-08f */
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{ { 0x33000800 }, 0x0001, 0x0000, { 0x337ffff3 }, { 0x337ffff3 } }, /* 2.9809598e-08f */
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{ { 0xb3000800 }, 0x8001, 0x8000, { 0xb37ffff3 } ,{ 0xb37ffff3 } }, /* -2.9809598e-08f */
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{ { 0x33c00000 }, 0x0002, 0x0001, { 0x33ffffd7 }, { 0x337ffff3 } }, /* 8.9406967e-08f */
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};
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/* exception on NULL out or in parameter */
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@ -2425,7 +2435,7 @@ static void test_D3DXFloat_Array(void)
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for (i = 0; i < sizeof(testdata)/sizeof(testdata[0]); i++)
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{
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out = D3DXFloat32To16Array(&half, &testdata[i].single_in, 1);
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out = D3DXFloat32To16Array(&half, &testdata[i].single_in.f, 1);
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ok(out == &half, "Got %p, expected %p.\n", out, &half);
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ok(half.value == testdata[i].half_ver1 || half.value == testdata[i].half_ver2,
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"Got %x, expected %x or %x for index %d.\n", half.value, testdata[i].half_ver1,
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@ -2433,13 +2443,13 @@ static void test_D3DXFloat_Array(void)
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out = D3DXFloat16To32Array(&single, (D3DXFLOAT16 *)&testdata[i].half_ver1, 1);
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ok(out == &single, "Got %p, expected %p.\n", out, &single);
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ok(relative_error(single, testdata[i].single_out_ver1) < admitted_error,
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"Got %g, expected %g for index %d.\n", single, testdata[i].single_out_ver1, i);
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ok(relative_error(single, testdata[i].single_out_ver1.f) < admitted_error,
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"Got %g, expected %g for index %d.\n", single, testdata[i].single_out_ver1.f, i);
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out = D3DXFloat16To32Array(&single, (D3DXFLOAT16 *)&testdata[i].half_ver2, 1);
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ok(out == &single, "Got %p, expected %p.\n", out, &single);
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ok(relative_error(single, testdata[i].single_out_ver2) < admitted_error,
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"Got %g, expected %g for index %d.\n", single, testdata[i].single_out_ver2, i);
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ok(relative_error(single, testdata[i].single_out_ver2.f) < admitted_error,
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"Got %g, expected %g for index %d.\n", single, testdata[i].single_out_ver2.f, i);
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}
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}
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