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Fixed bug 5404 - stdlib: Added SDL_round, SDL_roundf, SDL_lround and SDL_lroundf

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Cameron Cawley

stdlib: Added SDL_round, SDL_roundf, SDL_lround and SDL_lroundf

The default implementation is based on the one used in the Windows RT video driver.
This commit is contained in:
Sam Lantinga
2020-12-23 13:47:49 -08:00
parent d0b8295c0d
commit 93ccdee8c1
19 changed files with 105 additions and 19 deletions
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8
CMakeLists.txt
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@@ -783,8 +783,8 @@ if(LIBC)
_stricmp _strnicmp strtok_s sscanf
acos acosf asin asinf atan atanf atan2 atan2f ceil ceilf
copysign copysignf cos cosf exp expf fabs fabsf floor floorf fmod fmodf
log logf log10 log10f pow powf scalbn scalbnf sin sinf sqrt sqrtf tan tanf
trunc truncf)
log logf log10 log10f lround lroundf pow powf round roundf scalbn scalbnf
sin sinf sqrt sqrtf tan tanf trunc truncf)
string(TOUPPER ${_FN} _UPPER)
set(HAVE_${_UPPER} 1)
endforeach()
@@ -843,8 +843,8 @@ if(LIBC)
foreach(_FN
atan atan2 atanf atan2f ceil ceilf copysign copysignf cos cosf
exp expf fabs fabsf floor floorf fmod fmodf log logf log10 log10f
pow powf scalbn scalbnf sin sinf sqrt sqrtf tan tanf acos acosf
asin asinf trunc truncf)
lround lroundf pow powf round roundf scalbn scalbnf sin sinf sqrt
sqrtf tan tanf acos acosf asin asinf trunc truncf)
string(TOUPPER ${_FN} _UPPER)
set(_HAVEVAR "HAVE_${_UPPER}")
check_symbol_exists("${_FN}" "math.h" ${_HAVEVAR})