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msvcrt: Use isnan instead of isnanf. 

This resolves several warnings when compiling with MinGW because isnanf
is not in MinGW's math.h (it's not a standard C function). On the other
hand, isnan is a widely available C99 macro designed for both floats and
doubles. We also have an isnan implementation in libs/port/isnan.c for
pre-C99 compilers.

Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alex Henrie 2018-09-25 21:03:02 -06:00 committed by Alexandre Julliard
parent f9beb7ff10
commit 48f108345a
4 changed files with 11 additions and 24 deletions
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1
configure vendored
View File

@ -16535,7 +16535,6 @@ for ac_func in \
getpwuid \
gettimeofday \
getuid \
isnanf \
kqueue \
lstat \
memmove \

1
configure.ac
View File

@ -2163,7 +2163,6 @@ AC_CHECK_FUNCS(\
getpwuid \
gettimeofday \
getuid \
isnanf \
kqueue \
lstat \
memmove \

30
dlls/msvcrt/math.c
View File

@ -38,14 +38,6 @@ WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
#define finitef(x) isfinite(x)
#endif
#ifndef HAVE_ISNANF
#ifdef HAVE_ISNAN
#define isnanf(x) isnan(x)
#else
#define isnanf(x) 0
#endif
#endif
/* FIXME: Does not work with -NAN and -0. */
#ifndef signbit
#define signbit(x) ((x) < 0)
@ -190,7 +182,7 @@ INT CDECL MSVCRT__isnanf( float num )
/* Some implementations return -1 for true(glibc), msvcrt/crtdll return 1.
* Do the same, as the result may be used in calculations
*/
return isnanf(num) != 0;
return isnan(num) != 0;
}
/*********************************************************************
@ -199,7 +191,7 @@ INT CDECL MSVCRT__isnanf( float num )
float CDECL MSVCRT__logbf( float num )
{
float ret = logbf(num);
if (isnanf(num)) math_error(_DOMAIN, "_logbf", num, 0, ret);
if (isnan(num)) math_error(_DOMAIN, "_logbf", num, 0, ret);
else if (!num) math_error(_SING, "_logbf", num, 0, ret);
return ret;
}
@ -245,7 +237,7 @@ float CDECL MSVCRT_atanf( float x )
float CDECL MSVCRT_atan2f( float x, float y )
{
float ret = atan2f(x, y);
if (isnanf(x)) math_error(_DOMAIN, "atan2f", x, y, ret);
if (isnan(x)) math_error(_DOMAIN, "atan2f", x, y, ret);
return ret;
}
@ -265,7 +257,7 @@ float CDECL MSVCRT_cosf( float x )
float CDECL MSVCRT_coshf( float x )
{
float ret = coshf(x);
if (isnanf(x)) math_error(_DOMAIN, "coshf", x, 0, ret);
if (isnan(x)) math_error(_DOMAIN, "coshf", x, 0, ret);
return ret;
}
@ -275,7 +267,7 @@ float CDECL MSVCRT_coshf( float x )
float CDECL MSVCRT_expf( float x )
{
float ret = expf(x);
if (isnanf(x)) math_error(_DOMAIN, "expf", x, 0, ret);
if (isnan(x)) math_error(_DOMAIN, "expf", x, 0, ret);
else if (finitef(x) && !ret) math_error(_UNDERFLOW, "expf", x, 0, ret);
else if (finitef(x) && !finitef(ret)) math_error(_OVERFLOW, "expf", x, 0, ret);
return ret;
@ -342,7 +334,7 @@ float CDECL MSVCRT_sinf( float x )
float CDECL MSVCRT_sinhf( float x )
{
float ret = sinhf(x);
if (isnanf(x)) math_error(_DOMAIN, "sinhf", x, 0, ret);
if (isnan(x)) math_error(_DOMAIN, "sinhf", x, 0, ret);
return ret;
}
@ -2943,9 +2935,9 @@ LDOUBLE CDECL MSVCR120_erfcl(LDOUBLE x)
*/
float CDECL MSVCR120_fmaxf(float x, float y)
{
if(isnanf(x))
if(isnan(x))
return y;
if(isnanf(y))
if(isnan(y))
return x;
if(x==0 && y==0)
return signbit(x) ? y : x;
@ -3008,9 +3000,9 @@ int CDECL MSVCR120__fdpcomp(float x, float y)
*/
float CDECL MSVCR120_fminf(float x, float y)
{
if(isnanf(x))
if(isnan(x))
return y;
if(isnanf(y))
if(isnan(y))
return x;
if(x==0 && y==0)
return signbit(x) ? x : y;
@ -3232,7 +3224,7 @@ float CDECL MSVCR120_remainderf(float x, float y)
#ifdef HAVE_REMAINDERF
/* this matches 64-bit Windows. 32-bit Windows is slightly different */
if(!finitef(x)) *MSVCRT__errno() = MSVCRT_EDOM;
if(isnanf(y) || y==0.0f) *MSVCRT__errno() = MSVCRT_EDOM;
if(isnan(y) || y==0.0f) *MSVCRT__errno() = MSVCRT_EDOM;
return remainderf(x, y);
#else
FIXME( "not implemented\n" );

3
include/config.h.in
View File

@ -339,9 +339,6 @@
/* Define to 1 if you have the `isnan' function. */
#undef HAVE_ISNAN
/* Define to 1 if you have the `isnanf' function. */
#undef HAVE_ISNANF
/* Define to 1 if you have the `j0' function. */
#undef HAVE_J0