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#include <stdio.h>
#include <xmmintrin.h>
#ifdef __SSE2__
#include <emmintrin.h>
typedef union
{
__m128i x;
char a[16];
} union128i_b;
typedef union
{
__m128i x;
unsigned char a[16];
} union128i_ub;
typedef union
{
__m128i x;
short a[8];
} union128i_w;
typedef union
{
__m128i x;
unsigned short a[8];
} union128i_uw;
typedef union
{
__m128i x;
int a[4];
} union128i_d;
typedef union
{
__m128i x;
long long a[2];
} union128i_q;
typedef union
{
__m128d x;
double a[2];
} union128d;
#endif
typedef union
{
__m128 x;
float a[4];
} union128;
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(A) (sizeof (A) / sizeof ((A)[0]))
#endif
#ifdef DEBUG
#define PRINTF printf
#else
#define PRINTF(...)
#endif
#define CHECK_EXP(UINON_TYPE, VALUE_TYPE, FMT) \
static int \
__attribute__((noinline, unused)) \
check_##UINON_TYPE (UINON_TYPE u, const VALUE_TYPE *v) \
{ \
int i; \
int err = 0; \
\
for (i = 0; i < ARRAY_SIZE (u.a); i++) \
if (u.a[i] != v[i]) \
{ \
err++; \
PRINTF ("%i: " FMT " != " FMT "\n", \
i, v[i], u.a[i]); \
} \
return err; \
}
#ifdef __SSE2__
CHECK_EXP (union128i_b, char, "%d")
CHECK_EXP (union128i_ub, unsigned char, "%d")
CHECK_EXP (union128i_w, short, "%d")
CHECK_EXP (union128i_uw, unsigned short, "%d")
CHECK_EXP (union128i_d, int, "0x%x")
CHECK_EXP (union128i_q, long long, "0x%llx")
CHECK_EXP (union128d, double, "%f")
#endif
CHECK_EXP (union128, float, "%f")
#define ESP_FLOAT 0.000001
#define ESP_DOUBLE 0.000001
#define CHECK_ARRAY(ARRAY, TYPE, FMT) \
static int \
__attribute__((noinline, unused)) \
checkV##ARRAY (const TYPE *v, const TYPE *e, int n) \
{ \
int i; \
int err = 0; \
\
for (i = 0; i < n; i++) \
if (v[i] != e[i]) \
{ \
err++; \
PRINTF ("%i: " FMT " != " FMT "\n", \
i, v[i], e[i]); \
} \
return err; \
}
CHECK_ARRAY(i, int, "0x%x")
CHECK_ARRAY(l, long long, "0x%llx")
#define CHECK_FP_ARRAY(ARRAY, TYPE, ESP, FMT) \
static int \
__attribute__((noinline, unused)) \
checkV##ARRAY (const TYPE *v, const TYPE *e, int n) \
{ \
int i; \
int err = 0; \
\
for (i = 0; i < n; i++) \
if (v[i] > (e[i] + (ESP)) || v[i] < (e[i] - (ESP))) \
if (e[i] != v[i]) \
{ \
err++; \
PRINTF ("%i: " FMT " != " FMT "\n", \
i, v[i], e[i]); \
} \
return err; \
}
CHECK_FP_ARRAY (d, double, ESP_DOUBLE, "%f")
CHECK_FP_ARRAY (f, float, ESP_FLOAT, "%f")
#ifdef NEED_IEEE754_FLOAT
union ieee754_float
{
float d;
struct
{
unsigned long frac : 23;
unsigned exp : 8;
unsigned sign : 1;
} bits __attribute__((packed));
};
#endif
#ifdef NEED_IEEE754_DOUBLE
union ieee754_double
{
double d;
struct
{
unsigned long frac1 : 32;
unsigned long frac0 : 20;
unsigned exp : 11;
unsigned sign : 1;
} bits __attribute__((packed));
};
#endif
#define CHECK_FP_EXP(UINON_TYPE, VALUE_TYPE, ESP, FMT) \
static int \
__attribute__((noinline, unused)) \
check_fp_##UINON_TYPE (UINON_TYPE u, const VALUE_TYPE *v) \
{ \
int i; \
int err = 0; \
\
for (i = 0; i < ARRAY_SIZE (u.a); i++) \
if (u.a[i] > (v[i] + (ESP)) || u.a[i] < (v[i] - (ESP))) \
{ \
err++; \
PRINTF ("%i: " FMT " != " FMT "\n", \
i, v[i], u.a[i]); \
} \
return err; \
}
CHECK_FP_EXP (union128, float, ESP_FLOAT, "%f")
#ifdef __SSE2__
CHECK_FP_EXP (union128d, double, ESP_DOUBLE, "%f")
#endif
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