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Added float versions of SDL's math functions

This commit is contained in:
Sam Lantinga 2017-11-04 15:34:14 -07:00
parent bba90a6562
commit 34502143d9
9 changed files with 203 additions and 29 deletions
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6
CMakeLists.txt
View File

@ -637,8 +637,10 @@ if(LIBC)
wcslen wcscmp
strlen _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa
_ultoa strtol strtoul strtoll strtod atoi atof strcmp strncmp
_stricmp _strnicmp sscanf atan atan2 acos asin ceil copysign cos
cosf fabs floor log pow scalbn sin sinf sqrt sqrtf tan tanf)
_stricmp _strnicmp sscanf
acos acosf asin asinf atan atanf atan2 atan2f ceil ceilf
copysign copysignf cos cosf fabs fabsf floor floorf log logf
pow powf scalbn scalbnf sin sinf sqrt sqrtf tan tanf)
string(TOUPPER ${_FN} _UPPER)
set(HAVE_${_UPPER} 1)
endforeach()

19
configure vendored
View File

@ -16688,7 +16688,7 @@ if test "x$ac_cv_lib_m_pow" = xyes; then :
LIBS="$LIBS -lm"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"
fi
for ac_func in atan atan2 acos asin ceil copysign cos cosf fabs floor log pow scalbn sin sinf sqrt sqrtf tan tanf
for ac_func in acos acosf asin asinf atan atanf atan2 atan2f ceil ceilf copysign copysignf cos cosf fabs fabsf floor floorf log logf pow powf scalbn scalbnf sin sinf sqrt sqrtf tan tanf
do :
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
@ -21987,7 +21987,7 @@ CheckVulkan()
{
if test x$enable_video = xyes -a x$enable_video_vulkan = xyes; then
case "$host" in
*-*-androideabi*)
*-*-android*)
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
@ -22515,7 +22515,7 @@ else
fi
case "$host" in
*-*-androideabi*)
*-*-android*)
pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
pthread_lib=""
;;
@ -23722,7 +23722,7 @@ CheckWarnAll
case "$host" in
*-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*|*-*-nto*)
case "$host" in
*-*-androideabi*)
*-*-android*)
# Android
ARCH=android
ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
@ -23867,18 +23867,25 @@ $as_echo "#define SDL_JOYSTICK_ANDROID 1" >>confdefs.h
fi
# Set up files for the haptic library
if test x$enable_haptic = xyes; then
if test x$use_input_events = xyes; then
case $ARCH in
linux)
if test x$use_input_events = xyes; then
$as_echo "#define SDL_HAPTIC_LINUX 1" >>confdefs.h
SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
have_haptic=yes
fi
;;
android)
$as_echo "#define SDL_HAPTIC_ANDROID 1" >>confdefs.h
SOURCES="$SOURCES $srcdir/src/haptic/android/*.c"
have_haptic=yes
;;
esac
fi
fi
# Set up files for the power library
if test x$enable_power = xyes; then
case $ARCH in

2
configure.in
View File

@ -271,7 +271,7 @@ if test x$enable_libc = xyes; then
AC_CHECK_FUNCS(malloc calloc realloc free getenv setenv putenv unsetenv qsort abs bcopy memset memcpy memmove wcslen wcscmp strlen strlcpy strlcat _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp vsscanf vsnprintf fopen64 fseeko fseeko64 sigaction setjmp nanosleep sysconf sysctlbyname getauxval poll)
AC_CHECK_LIB(m, pow, [LIBS="$LIBS -lm"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"])
AC_CHECK_FUNCS(atan atan2 acos asin ceil copysign cos cosf fabs floor log pow scalbn sin sinf sqrt sqrtf tan tanf)
AC_CHECK_FUNCS(acos acosf asin asinf atan atanf atan2 atan2f ceil ceilf copysign copysignf cos cosf fabs fabsf floor floorf log logf pow powf scalbn scalbnf sin sinf sqrt sqrtf tan tanf)
AC_CHECK_LIB(iconv, iconv_open, [LIBS="$LIBS -liconv"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"])
AC_CHECK_FUNCS(iconv)

15
include/SDL_config.h.cmake
View File

@ -130,19 +130,30 @@
#cmakedefine HAVE_VSSCANF 1
#cmakedefine HAVE_VSNPRINTF 1
#cmakedefine HAVE_M_PI 1
#cmakedefine HAVE_ATAN 1
#cmakedefine HAVE_ATAN2 1
#cmakedefine HAVE_ACOS 1
#cmakedefine HAVE_ACOSF 1
#cmakedefine HAVE_ASIN 1
#cmakedefine HAVE_ASINF 1
#cmakedefine HAVE_ATAN 1
#cmakedefine HAVE_ATANF 1
#cmakedefine HAVE_ATAN2 1
#cmakedefine HAVE_ATAN2F 1
#cmakedefine HAVE_CEIL 1
#cmakedefine HAVE_CEILF 1
#cmakedefine HAVE_COPYSIGN 1
#cmakedefine HAVE_COPYSIGNF 1
#cmakedefine HAVE_COS 1
#cmakedefine HAVE_COSF 1
#cmakedefine HAVE_FABS 1
#cmakedefine HAVE_FABSF 1
#cmakedefine HAVE_FLOOR 1
#cmakedefine HAVE_FLOORF 1
#cmakedefine HAVE_LOG 1
#cmakedefine HAVE_LOGF 1
#cmakedefine HAVE_POW 1
#cmakedefine HAVE_POWF 1
#cmakedefine HAVE_SCALBN 1
#cmakedefine HAVE_SCALBNF 1
#cmakedefine HAVE_SIN 1
#cmakedefine HAVE_SINF 1
#cmakedefine HAVE_SQRT 1

15
include/SDL_config.h.in
View File

@ -135,19 +135,30 @@
#undef HAVE_SNPRINTF
#undef HAVE_VSNPRINTF
#undef HAVE_M_PI
#undef HAVE_ATAN
#undef HAVE_ATAN2
#undef HAVE_ACOS
#undef HAVE_ACOSF
#undef HAVE_ASIN
#undef HAVE_ASINF
#undef HAVE_ATAN
#undef HAVE_ATANF
#undef HAVE_ATAN2
#undef HAVE_ATAN2F
#undef HAVE_CEIL
#undef HAVE_CEILF
#undef HAVE_COPYSIGN
#undef HAVE_COPYSIGNF
#undef HAVE_COS
#undef HAVE_COSF
#undef HAVE_FABS
#undef HAVE_FABSF
#undef HAVE_FLOOR
#undef HAVE_FLOORF
#undef HAVE_LOG
#undef HAVE_LOGF
#undef HAVE_POW
#undef HAVE_POWF
#undef HAVE_SCALBN
#undef HAVE_SCALBNF
#undef HAVE_SIN
#undef HAVE_SINF
#undef HAVE_SQRT

11
include/SDL_stdinc.h
View File

@ -501,18 +501,29 @@ extern DECLSPEC int SDLCALL SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size
#endif
extern DECLSPEC double SDLCALL SDL_acos(double x);
extern DECLSPEC float SDLCALL SDL_acosf(float x);
extern DECLSPEC double SDLCALL SDL_asin(double x);
extern DECLSPEC float SDLCALL SDL_asinf(float x);
extern DECLSPEC double SDLCALL SDL_atan(double x);
extern DECLSPEC float SDLCALL SDL_atanf(float x);
extern DECLSPEC double SDLCALL SDL_atan2(double x, double y);
extern DECLSPEC float SDLCALL SDL_atan2f(float x, float y);
extern DECLSPEC double SDLCALL SDL_ceil(double x);
extern DECLSPEC float SDLCALL SDL_ceilf(float x);
extern DECLSPEC double SDLCALL SDL_copysign(double x, double y);
extern DECLSPEC float SDLCALL SDL_copysignf(float x, float y);
extern DECLSPEC double SDLCALL SDL_cos(double x);
extern DECLSPEC float SDLCALL SDL_cosf(float x);
extern DECLSPEC double SDLCALL SDL_fabs(double x);
extern DECLSPEC float SDLCALL SDL_fabsf(float x);
extern DECLSPEC double SDLCALL SDL_floor(double x);
extern DECLSPEC float SDLCALL SDL_floorf(float x);
extern DECLSPEC double SDLCALL SDL_log(double x);
extern DECLSPEC float SDLCALL SDL_logf(float x);
extern DECLSPEC double SDLCALL SDL_pow(double x, double y);
extern DECLSPEC float SDLCALL SDL_powf(float x, float y);
extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n);
extern DECLSPEC float SDLCALL SDL_scalbnf(float x, int n);
extern DECLSPEC double SDLCALL SDL_sin(double x);
extern DECLSPEC float SDLCALL SDL_sinf(float x);
extern DECLSPEC double SDLCALL SDL_sqrt(double x);

11
src/dynapi/SDL_dynapi_overrides.h
View File

@ -647,3 +647,14 @@
#define SDL_AudioStreamAvailable SDL_AudioStreamAvailable_REAL
#define SDL_FreeAudioStream SDL_FreeAudioStream_REAL
#define SDL_AudioStreamFlush SDL_AudioStreamFlush_REAL
#define SDL_acosf SDL_acosf_REAL
#define SDL_asinf SDL_asinf_REAL
#define SDL_atanf SDL_atanf_REAL
#define SDL_atan2f SDL_atan2f_REAL
#define SDL_ceilf SDL_ceilf_REAL
#define SDL_copysignf SDL_copysignf_REAL
#define SDL_fabsf SDL_fabsf_REAL
#define SDL_floorf SDL_floorf_REAL
#define SDL_logf SDL_logf_REAL
#define SDL_powf SDL_powf_REAL
#define SDL_scalbnf SDL_scalbnf_REAL

11
src/dynapi/SDL_dynapi_procs.h
View File

@ -681,3 +681,14 @@ SDL_DYNAPI_PROC(void,SDL_AudioStreamClear,(SDL_AudioStream *a),(a),)
SDL_DYNAPI_PROC(int,SDL_AudioStreamAvailable,(SDL_AudioStream *a),(a),return)
SDL_DYNAPI_PROC(void,SDL_FreeAudioStream,(SDL_AudioStream *a),(a),)
SDL_DYNAPI_PROC(int,SDL_AudioStreamFlush,(SDL_AudioStream *a),(a),return)
SDL_DYNAPI_PROC(float,SDL_acosf,(float a),(a),return)
SDL_DYNAPI_PROC(float,SDL_asinf,(float a),(a),return)
SDL_DYNAPI_PROC(float,SDL_atanf,(float a),(a),return)
SDL_DYNAPI_PROC(float,SDL_atan2f,(float a, float b),(a,b),return)
SDL_DYNAPI_PROC(float,SDL_ceilf,(float a),(a),return)
SDL_DYNAPI_PROC(float,SDL_copysignf,(float a, float b),(a,b),return)
SDL_DYNAPI_PROC(float,SDL_fabsf,(float a),(a),return)
SDL_DYNAPI_PROC(float,SDL_floorf,(float a),(a),return)
SDL_DYNAPI_PROC(float,SDL_logf,(float a),(a),return)
SDL_DYNAPI_PROC(float,SDL_powf,(float a, float b),(a,b),return)
SDL_DYNAPI_PROC(float,SDL_scalbnf,(float a, int b),(a,b),return)

130
src/stdlib/SDL_stdlib.c
View File

@ -38,7 +38,17 @@ SDL_atan(double x)
return atan(x);
#else
return SDL_uclibc_atan(x);
#endif /* HAVE_ATAN */
#endif
}
float
SDL_atanf(float x)
{
#if defined(HAVE_ATANF)
return atanf(x);
#else
return (float)SDL_atan((double)x);
#endif
}
double
@ -48,7 +58,17 @@ SDL_atan2(double x, double y)
return atan2(x, y);
#else
return SDL_uclibc_atan2(x, y);
#endif /* HAVE_ATAN2 */
#endif
}
float
SDL_atan2f(float x, float y)
{
#if defined(HAVE_ATAN2F)
return atan2f(x, y);
#else
return (float)SDL_atan2((double)x, (double)y);
#endif
}
double
@ -71,6 +91,16 @@ SDL_acos(double val)
#endif
}
float
SDL_acosf(float val)
{
#if defined(HAVE_ACOSF)
return acosf(val);
#else
return (float)SDL_acos((double)val);
#endif
}
double
SDL_asin(double val)
{
@ -87,6 +117,16 @@ SDL_asin(double val)
#endif
}
float
SDL_asinf(float val)
{
#if defined(HAVE_ASINF)
return asinf(val);
#else
return (float)SDL_asin((double)val);
#endif
}
double
SDL_ceil(double x)
{
@ -102,6 +142,16 @@ SDL_ceil(double x)
#endif /* HAVE_CEIL */
}
float
SDL_ceilf(float x)
{
#if defined(HAVE_CEILF)
return ceilf(x);
#else
return (float)ceil((float)x);
#endif
}
double
SDL_copysign(double x, double y)
{
@ -120,6 +170,16 @@ SDL_copysign(double x, double y)
#endif /* HAVE_COPYSIGN */
}
float
SDL_copysignf(float x, float y)
{
#if defined(HAVE_COPYSIGNF)
return copysignf(x, y);
#else
return (float)SDL_copysign((double)x, (double)y);
#endif
}
double
SDL_cos(double x)
{
@ -127,7 +187,7 @@ SDL_cos(double x)
return cos(x);
#else
return SDL_uclibc_cos(x);
#endif /* HAVE_COS */
#endif
}
float
@ -147,7 +207,17 @@ SDL_fabs(double x)
return fabs(x);
#else
return SDL_uclibc_fabs(x);
#endif /* HAVE_FABS */
#endif
}
float
SDL_fabsf(float x)
{
#if defined(HAVE_FABSF)
return fabsf(x);
#else
return (float)SDL_fabs((double)x);
#endif
}
double
@ -157,7 +227,17 @@ SDL_floor(double x)
return floor(x);
#else
return SDL_uclibc_floor(x);
#endif /* HAVE_FLOOR */
#endif
}
float
SDL_floorf(float x)
{
#if defined(HAVE_FLOORF)
return floorf(x);
#else
return (float)SDL_floor((double)x);
#endif
}
double
@ -167,7 +247,17 @@ SDL_log(double x)
return log(x);
#else
return SDL_uclibc_log(x);
#endif /* HAVE_LOG */
#endif
}
float
SDL_logf(float x)
{
#if defined(HAVE_LOGF)
return logf(x);
#else
return (float)SDL_log((double)x);
#endif
}
double
@ -177,7 +267,17 @@ SDL_pow(double x, double y)
return pow(x, y);
#else
return SDL_uclibc_pow(x, y);
#endif /* HAVE_POW */
#endif
}
float
SDL_powf(float x, float y)
{
#if defined(HAVE_POWF)
return powf(x, y);
#else
return (float)SDL_pow((double)x, (double)y);
#endif
}
double
@ -193,7 +293,17 @@ SDL_scalbn(double x, int n)
return ldexp(x, n);
#else
return SDL_uclibc_scalbn(x, n);
#endif /* HAVE_SCALBN */
#endif
}
float
SDL_scalbnf(float x, int n)
{
#if defined(HAVE_SCALBNF)
return scalbnf(x, n);
#else
return (float)SDL_scalbn((double)x, n);
#endif
}
double
@ -203,7 +313,7 @@ SDL_sin(double x)
return sin(x);
#else
return SDL_uclibc_sin(x);
#endif /* HAVE_SIN */
#endif
}
float
@ -213,7 +323,7 @@ SDL_sinf(float x)
return sinf(x);
#else
return (float)SDL_sin((double)x);
#endif /* HAVE_SINF */
#endif
}
double