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Change *round* to return float, to be like C99.

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Fix rounding for negative numbers.
This commit is contained in:
Glenn Maynard
2002-09-09 02:58:36 +00:00
parent 583a9690fd
commit 3677b39235
1 changed files with 7 additions and 2 deletions
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stepmania/src/RageUtil.h
+7 -2
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@@ -113,8 +113,13 @@ inline float randomf( const float low=-1.0f, const float high=1.0f )
{ {
return low + ( high - low ) * ( (FLOAT)rand() ) / RAND_MAX; return low + ( high - low ) * ( (FLOAT)rand() ) / RAND_MAX;
} }
inline int roundf( const float f ) { return (int)((f)+0.5f); };
inline int roundf( const double f ) { return (int)((f)+0.5); }; /* XXX: These are C99 functions (except for the roundf(double) overload); what's
* the C99 define we can test for? */
inline double trunc( double f ) { return float(int(f)); };
inline float truncf( float f ) { return float(int(f)); };
inline float roundf( float f ) { if(f < 0) return truncf(f-0.5f); return truncf(f+0.5f); };
inline double roundf( double f ){ if(f < 0) return trunc(f-0.5); return trunc(f+0.5); };
inline float froundf( const float f, const float fRoundInterval ) inline float froundf( const float f, const float fRoundInterval )
{ {
return int( (f + fRoundInterval/2)/fRoundInterval ) * fRoundInterval; return int( (f + fRoundInterval/2)/fRoundInterval ) * fRoundInterval;