mirror of https://github.com/nzp-team/vhlt.git
73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
#include "cmdlib.h"
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#include "compress.h"
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#include "log.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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const size_t unused_size = 3u; // located at the end of a block
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const char *(float_type_string[float_type_count]) =
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{
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"32bit",
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"16bit",
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"8bit"
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};
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const size_t float_size[float_type_count] =
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{
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4u,
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2u,
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1u
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};
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const char *(vector_type_string[vector_type_count]) =
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{
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"96bit",
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"48bit",
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"32bit",
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"24bit"
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};
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const size_t vector_size[vector_type_count] =
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{
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12u,
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6u,
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4u,
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3u
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};
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void fail ()
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{
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Error ("Compatability test failed. Please disable HLRAD_TRANSFERDATA_COMPRESS in cmdlib.h and recompile ZHLT.");
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}
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void compress_compatability_test ()
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{
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unsigned char *v = (unsigned char *)malloc (16u);
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memset (v, 0, 16u);
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if (sizeof(char) !=1 || sizeof(unsigned int) != 4 || sizeof(float) != 4)
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fail ();
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*(float *)(v+1) = 0.123f;
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if (*(unsigned int *)v != 4226247936u || *(unsigned int *)(v+1) != 1039918957u)
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fail ();
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*(float *)(v+1) = -58;
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if (*(unsigned int *)v != 1744830464u || *(unsigned int *)(v+1) != 3261595648u)
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fail ();
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float f[5] = {0.123f, 1.f, 0.f, 0.123f, 0.f};
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memset (v, ~0, 16u);
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vector_compress (VECTOR24, v, &f[0], &f[1], &f[2]);
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float_compress (FLOAT16, v+6, &f[3]);
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float_compress (FLOAT16, v+4, &f[4]);
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if (((unsigned int *)v)[0] != 4286318595u || ((unsigned int *)v)[1] != 3753771008u)
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fail ();
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float_decompress (FLOAT16, v+6, &f[3]);
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float_decompress (FLOAT16, v+4, &f[4]);
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vector_decompress (VECTOR24, v, &f[0], &f[1], &f[2]);
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float ans[5] = {0.109375f,1.015625f,0.015625f,0.123001f,0.000000f};
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int i;
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for (i=0; i<5; ++i)
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if (f[i]-ans[i] > 0.00001f || f[i]-ans[i] < -0.00001f)
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fail ();
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free (v);
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} |