math_helpers.h File Reference

#include <math.h>
#include <float.h>
#include <apitest.h>

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Classes
struct	_TESTENTRY_DBL
struct	_TESTENTRY_FLT

Macros
#define	_USE_MATH_DEFINES
#define	ok_eq_dbl_exact_(file, line, func, ullx, z, ullexp)
#define	ok_eq_dbl_exact(func, ullx, z, ullexp)   ok_eq_dbl_exact_(__FILE__, __LINE__, func, ullx, z, ullexp)
#define	ok_eq_flt_exact_(file, line, func, ux, z, uexp)
#define	ok_eq_flt_exact(func, ux, z, uexp)   ok_eq_flt_exact_(__FILE__, __LINE__, func, ux, z, uexp)

Typedefs
typedef struct _TESTENTRY_DBL	TESTENTRY_DBL
typedef struct _TESTENTRY_FLT	TESTENTRY_FLT

Functions
static __inline double	u64_to_dbl (UINT64 x)
static __inline UINT64	dbl_to_u64 (double x)
static __inline float	u32_to_flt (UINT32 x)
static __inline UINT32	flt_to_u32 (float x)

Macro Definition Documentation

_USE_MATH_DEFINES

#define _USE_MATH_DEFINES

Definition at line 10 of file math_helpers.h.

ok_eq_dbl_exact

#define ok_eq_dbl_exact	(		func,
			ullx,
			z,
			ullexp
	)		ok_eq_dbl_exact_(__FILE__, __LINE__, func, ullx, z, ullexp)

Definition at line 67 of file math_helpers.h.

ok_eq_dbl_exact_

#define ok_eq_dbl_exact_	(		file,
			line,
			func,
			ullx,
			z,
			ullexp
	)

Value:

    { \
        double x = u64_to_dbl(ullx); \
        unsigned long long ullz = dbl_to_u64(z); \
        double exp = u64_to_dbl(ullexp); \
        ok_(file, line)(ullz == ullexp, "Wrong value for '%s(%f)' [0x%016llx], expected: %f [0x%016llx], got: %f [0x%016llx]\n", \
           func, x, ullx, exp, ullexp, z, ullz); \
    }

Definition at line 59 of file math_helpers.h.

ok_eq_flt_exact

#define ok_eq_flt_exact	(		func,
			ux,
			z,
			uexp
	)		ok_eq_flt_exact_(__FILE__, __LINE__, func, ux, z, uexp)

Definition at line 77 of file math_helpers.h.

ok_eq_flt_exact_

#define ok_eq_flt_exact_	(		file,
			line,
			func,
			ux,
			z,
			uexp
	)

Value:

    { \
        float x = u32_to_flt(ux); \
        unsigned int uz = flt_to_u32(z); \
        float exp = u32_to_flt(uexp); \
        ok_(file, line)(uz == uexp, "Wrong value for '%s(%f)' [0x%08x], expected: %f [0x%08x], got: %f [0x%08x]\n", \
           func, x, ux, exp, uexp, z, uz); \
    }

Definition at line 69 of file math_helpers.h.

Typedef Documentation

TESTENTRY_DBL

typedef struct _TESTENTRY_DBL TESTENTRY_DBL

TESTENTRY_FLT

typedef struct _TESTENTRY_FLT TESTENTRY_FLT

Function Documentation

dbl_to_u64()

static __inline UINT64 dbl_to_u64 ( double  x )

static

Definition at line 26 of file math_helpers.h.

{
    return *(UINT64*)(&x);
}

flt_to_u32()

static __inline UINT32 flt_to_u32 ( float  x )

static

Definition at line 42 of file math_helpers.h.

{
    return *(UINT32*)(&x);
}

u32_to_flt()

static __inline float u32_to_flt ( UINT32  x )

static

Definition at line 34 of file math_helpers.h.

{
    return *(float*)(&x);
}

Referenced by Test_ceilf(), Test_fabsf(), and Test_floorf().

u64_to_dbl()

static __inline double u64_to_dbl ( UINT64  x )

static

Definition at line 18 of file math_helpers.h.

{
    return *(double*)(&x);
}

Referenced by Test_ceil(), Test_fabs(), and Test_floor().