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msvcrt: Implement fma and fmaf. 

Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Andrew Eikum 2019-05-21 16:50:42 -05:00 committed by Alexandre Julliard
parent ef07087f47
commit fa54e895a7
10 changed files with 112 additions and 9 deletions
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3
configure vendored
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@ -631,7 +631,6 @@ RT_LIBS
POLL_LIBS
DL_LIBS
TOOLSEXT
UNWINDFLAGS
MSVCRTFLAGS
EXCESS_PRECISION_CFLAGS
EXTRACFLAGS
@ -19147,6 +19146,8 @@ for ac_func in \
exp2f \
expm1 \
expm1f \
fma \
fmaf \
ilogb \
ilogbf \
j0 \

2
configure.ac
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@ -2634,6 +2634,8 @@ AC_CHECK_FUNCS(\
exp2f \
expm1 \
expm1f \
fma \
fmaf \
ilogb \
ilogbf \
j0 \

4
dlls/api-ms-win-crt-math-l1-1-0/api-ms-win-crt-math-l1-1-0.spec
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@ -241,8 +241,8 @@
@ stub fdiml
@ cdecl floor(double) ucrtbase.floor
@ cdecl -arch=arm,x86_64,arm64 floorf(float) ucrtbase.floorf
@ stub fma
@ stub fmaf
@ cdecl fma(double double double) ucrtbase.fma
@ cdecl -arch=arm,x86_64,arm64 fmaf(float float float) ucrtbase.fmaf
@ stub fmal
@ cdecl fmax(double double) ucrtbase.fmax
@ cdecl fmaxf(float float) ucrtbase.fmaxf

4
dlls/msvcr120/msvcr120.spec
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@ -2164,8 +2164,8 @@
@ cdecl fgetws(ptr long ptr) MSVCRT_fgetws
@ cdecl floor(double) MSVCRT_floor
@ cdecl -arch=arm,x86_64,arm64 floorf(float) MSVCRT_floorf
@ stub fma
@ stub fmaf
@ cdecl fma(double double double) MSVCRT_fma
@ cdecl -arch=arm,x86_64,arm64 fmaf(float float float) MSVCRT_fmaf
@ stub fmal
@ cdecl fmax(double double) MSVCR120_fmax
@ cdecl fmaxf(float float) MSVCR120_fmaxf

4
dlls/msvcr120_app/msvcr120_app.spec
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@ -1830,8 +1830,8 @@
@ cdecl fgetws(ptr long ptr) msvcr120.fgetws
@ cdecl floor(double) msvcr120.floor
@ cdecl -arch=arm,x86_64,arm64 floorf(float) msvcr120.floorf
@ stub fma
@ stub fmaf
@ cdecl fma(double double double) msvcr120.fma
@ cdecl -arch=arm,x86_64,arm64 fmaf(float float float) msvcr120.fmaf
@ stub fmal
@ cdecl fmax(double double) msvcr120.fmax
@ cdecl fmaxf(float float) msvcr120.fmaxf

32
dlls/msvcrt/math.c
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@ -387,6 +387,22 @@ float CDECL MSVCRT_floorf( float x )
return floorf(x);
}
/*********************************************************************
* fmaf (MSVCRT.@)
*/
float CDECL MSVCRT_fmaf( float x, float y, float z )
{
#ifdef HAVE_FMAF
float w = fmaf(x, y, z);
#else
float w = x * y + z;
#endif
if ((isinf(x) && y == 0) || (x == 0 && isinf(y))) *MSVCRT__errno() = MSVCRT_EDOM;
else if (isinf(x) && isinf(z) && x != z) *MSVCRT__errno() = MSVCRT_EDOM;
else if (isinf(y) && isinf(z) && y != z) *MSVCRT__errno() = MSVCRT_EDOM;
return w;
}
/*********************************************************************
* frexpf (MSVCRT.@)
*/
@ -863,6 +879,22 @@ double CDECL MSVCRT_floor( double x )
return floor(x);
}
/*********************************************************************
* fma (MSVCRT.@)
*/
double CDECL MSVCRT_fma( double x, double y, double z )
{
#ifdef HAVE_FMA
double w = fma(x, y, z);
#else
double w = x * y + z;
#endif
if ((isinf(x) && y == 0) || (x == 0 && isinf(y))) *MSVCRT__errno() = MSVCRT_EDOM;
else if (isinf(x) && isinf(z) && x != z) *MSVCRT__errno() = MSVCRT_EDOM;
else if (isinf(y) && isinf(z) && y != z) *MSVCRT__errno() = MSVCRT_EDOM;
return w;
}
/*********************************************************************
* fabs (MSVCRT.@)
*/

2
dlls/msvcrt/msvcrt.spec
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@ -1288,6 +1288,8 @@
@ cdecl fgetws(ptr long ptr) MSVCRT_fgetws
@ cdecl floor(double) MSVCRT_floor
@ cdecl -arch=arm,x86_64,arm64 floorf(float) MSVCRT_floorf
@ cdecl fma(double double double) MSVCRT_fma
@ cdecl -arch=arm,x86_64,arm64 fmaf(float float float) MSVCRT_fmaf
@ cdecl fmod(double double) MSVCRT_fmod
@ cdecl -arch=arm,x86_64,arm64 fmodf(float float) MSVCRT_fmodf
@ cdecl fopen(str str) MSVCRT_fopen

60
dlls/ucrtbase/tests/misc.c
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@ -64,6 +64,25 @@ static inline float __port_infinity(void)
}
#define INFINITY __port_infinity()
static inline float __port_nan(void)
{
static const unsigned __nan_bytes = 0x7fc00000;
return *(const float *)&__nan_bytes;
}
#define NAN __port_nan()
static inline double __port_min_pos_double(void)
{
static const UINT64 __min_pos_double = 0x10000000000000;
return *(const double *)&__min_pos_double;
}
static inline double __port_max_double(void)
{
static const UINT64 __max_double = 0x7FEFFFFFFFFFFFFF;
return *(const double *)&__max_double;
}
#define M_PI_2 1.57079632679489661923
#define FE_TONEAREST 0
@ -747,6 +766,30 @@ static void test_math_errors(void)
{"pow", INFINITY, 1, -1, -1},
{"pow", INFINITY, 2, -1, -1},
};
const struct {
char func[16];
double a;
double b;
double c;
int error;
int exception;
} tests3d[] = {
/* 0 * inf --> EDOM */
{"fma", INFINITY, 0, 0, EDOM, -1},
{"fma", 0, INFINITY, 0, EDOM, -1},
/* inf - inf -> EDOM */
{"fma", INFINITY, 1, -INFINITY, EDOM, -1},
{"fma", -INFINITY, 1, INFINITY, EDOM, -1},
{"fma", 1, INFINITY, -INFINITY, EDOM, -1},
{"fma", 1, -INFINITY, INFINITY, EDOM, -1},
/* NaN */
{"fma", NAN, 0, 0, -1, -1},
{"fma", 0, NAN, 0, -1, -1},
{"fma", 0, 0, NAN, -1, -1},
/* over/underflow */
{"fma", __port_max_double(), __port_max_double(), __port_max_double(), -1, -1},
{"fma", __port_min_pos_double(), __port_min_pos_double(), 1, -1, -1},
};
const struct {
char func[16];
double a;
@ -770,6 +813,7 @@ static void test_math_errors(void)
};
double (CDECL *p_funcd)(double);
double (CDECL *p_func2d)(double, double);
double (CDECL *p_func3d)(double, double, double);
double (CDECL *p_funcdl)(double, long);
int i;
@ -808,6 +852,22 @@ static void test_math_errors(void)
"%s(%f, %f) got exception arg2 %f\n", tests2d[i].func, tests2d[i].a, tests2d[i].b, exception.arg2);
}
for(i = 0; i < ARRAY_SIZE(tests3d); i++) {
p_func3d = (void*)GetProcAddress(module, tests3d[i].func);
*p_errno() = -1;
exception.type = -1;
p_func3d(tests3d[i].a, tests3d[i].b, tests3d[i].c);
ok(*p_errno() == tests3d[i].error,
"%s(%f, %f, %f) got errno %d\n", tests3d[i].func, tests3d[i].a, tests3d[i].b, tests3d[i].c, *p_errno());
ok(exception.type == tests3d[i].exception,
"%s(%f, %f, %f) got exception type %d\n", tests3d[i].func, tests3d[i].a, tests3d[i].b, tests3d[i].c, exception.type);
if(exception.type == -1) continue;
ok(exception.arg1 == tests3d[i].a,
"%s(%f, %f, %f) got exception arg1 %f\n", tests3d[i].func, tests3d[i].a, tests3d[i].b, tests3d[i].c, exception.arg1);
ok(exception.arg2 == tests3d[i].b,
"%s(%f, %f, %f) got exception arg2 %f\n", tests3d[i].func, tests3d[i].a, tests3d[i].b, tests3d[i].c, exception.arg2);
}
for(i = 0; i < ARRAY_SIZE(testsdl); i++) {
p_funcdl = (void*)GetProcAddress(module, testsdl[i].func);
*p_errno() = -1;

4
dlls/ucrtbase/ucrtbase.spec
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@ -2305,8 +2305,8 @@
@ cdecl fgetws(ptr long ptr) MSVCRT_fgetws
@ cdecl floor(double) MSVCRT_floor
@ cdecl -arch=arm,x86_64,arm64 floorf(float) MSVCRT_floorf
@ stub fma
@ stub fmaf
@ cdecl fma(double double double) MSVCRT_fma
@ cdecl -arch=arm,x86_64,arm64 fmaf(float float float) MSVCRT_fmaf
@ stub fmal
@ cdecl fmax(double double) MSVCR120_fmax
@ cdecl fmaxf(float float) MSVCR120_fmaxf

6
include/config.h.in
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@ -161,6 +161,12 @@
/* Define to 1 if you have the <float.h> header file. */
#undef HAVE_FLOAT_H
/* Define to 1 if you have the `fma' function. */
#undef HAVE_FMA
/* Define to 1 if you have the `fmaf' function. */
#undef HAVE_FMAF
/* Define to 1 if you have the `fnmatch' function. */
#undef HAVE_FNMATCH