diff options
Diffstat (limited to 'indra/llmath')
| -rw-r--r-- | indra/llmath/llmath.h | 46 |
1 files changed, 4 insertions, 42 deletions
diff --git a/indra/llmath/llmath.h b/indra/llmath/llmath.h index 12fc116714..66451b1a27 100644 --- a/indra/llmath/llmath.h +++ b/indra/llmath/llmath.h @@ -38,6 +38,10 @@ #include "lldefs.h" #include "llstl.h" // *TODO: Remove when LLString is gone #include "llstring.h" // *TODO: Remove when LLString is gone +// lltut.h uses is_approx_equal_fraction(). This was moved to its own header +// file in llcommon so we can use lltut.h for llcommon tests without making +// llcommon depend on llmath. +#include "is_approx_equal_fraction.h" // work around for Windows & older gcc non-standard function names. #if LL_WINDOWS @@ -142,48 +146,6 @@ inline BOOL is_approx_equal(F64 x, F64 y) return (std::abs((S32) ((U64&)x - (U64&)y) ) < COMPARE_MANTISSA_UP_TO_BIT); } -inline BOOL is_approx_equal_fraction(F32 x, F32 y, U32 frac_bits) -{ - BOOL ret = TRUE; - F32 diff = (F32) fabs(x - y); - - S32 diffInt = (S32) diff; - S32 diffFracTolerance = (S32) ((diff - (F32) diffInt) * (1 << frac_bits)); - - // if integer portion is not equal, not enough bits were used for packing - // so error out since either the use case is not correct OR there is - // an issue with pack/unpack. should fail in either case. - // for decimal portion, make sure that the delta is no more than 1 - // based on the number of bits used for packing decimal portion. - if (diffInt != 0 || diffFracTolerance > 1) - { - ret = FALSE; - } - - return ret; -} - -inline BOOL is_approx_equal_fraction(F64 x, F64 y, U32 frac_bits) -{ - BOOL ret = TRUE; - F64 diff = (F64) fabs(x - y); - - S32 diffInt = (S32) diff; - S32 diffFracTolerance = (S32) ((diff - (F64) diffInt) * (1 << frac_bits)); - - // if integer portion is not equal, not enough bits were used for packing - // so error out since either the use case is not correct OR there is - // an issue with pack/unpack. should fail in either case. - // for decimal portion, make sure that the delta is no more than 1 - // based on the number of bits used for packing decimal portion. - if (diffInt != 0 || diffFracTolerance > 1) - { - ret = FALSE; - } - - return ret; -} - inline S32 llabs(const S32 a) { return S32(std::labs(a)); |