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47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
#pragma once
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#include <math.h>
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#include <stdint.h>
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#include "../src/util/colour32.h"
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#include "../src/util/compat/endian.h"
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#include "../src/util/vec/float3.h"
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#include "test.h"
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int test_float3_norm(void* d) {
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float* arg = d;
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float3 v = {arg[0], arg[1], arg[2]};
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float3 r = float3_norm(v);
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float n = r.x * r.x + r.y * r.y + r.z * r.z;
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// check if the value is within 1 millionth of the one we expect
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return assert_true(fabsf(n - 1.0F) < 1e-6F);
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}
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int test_colour32_endianess(void* d) {
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(void)d;
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colour32 c = {0xFF000000}; // setting just the red channel
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return assert_true(c.ch.r == 0xFF);
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}
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int test_compat_endianess(void* d) {
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uint32_t x = *((uint32_t*)d + 0);
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int res = 0;
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#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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res |= assert_false(be32ton(x) == x);
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res |= assert_false(ntobe32(x) == x);
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res |= assert_true(be32ton(ntobe32(x)) == x);
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res |= assert_true(le32ton(x) == x);
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res |= assert_true(ntole32(x) == x);
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#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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res |= assert_false(le32ton(x) == x);
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res |= assert_false(ntole32(x) == x);
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res |= assert_true(le32ton(ntole32(x)) == x);
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res |= assert_true(be32ton(x) == x);
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res |= assert_true(ntobe32(x) == x);
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#else
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res |= assert_false("platform unsupported!!");
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#endif
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return res;
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}
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