```2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 ``` ``` }else{ nodeRelease(pRtree, pRoot); } return rc; } #if !defined(SQLITE_RTREE_INT_ONLY) /* ** Convert an sqlite3_value into an RtreeValue (presumably a float) ** while taking care to round toward negative or positive, respectively. */ static RtreeValue rtreeValueDown(sqlite3_value *v){ double d = sqlite3_value_double(v); float f = (float)d; if( f>d ){ if( f<0.0 ){ f += f/8388608.0; }else{ f -= f/8388608.0; } } return f; } static RtreeValue rtreeValueUp(sqlite3_value *v){ double d = sqlite3_value_double(v); float f = (float)d; if( f > > > > > | < < < < | < < < < ``` ```2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 ``` ``` }else{ nodeRelease(pRtree, pRoot); } return rc; } /* ** Rounding constants for float->double conversion. */ #define RNDTOWARDS (1.0 - 1.0/8388608.0) /* Round towards zero */ #define RNDAWAY (1.0 + 1.0/8388608.0) /* Round away from zero */ #if !defined(SQLITE_RTREE_INT_ONLY) /* ** Convert an sqlite3_value into an RtreeValue (presumably a float) ** while taking care to round toward negative or positive, respectively. */ static RtreeValue rtreeValueDown(sqlite3_value *v){ double d = sqlite3_value_double(v); float f = (float)d; if( f>d ){ f = (float)(d*(d<0 ? RNDAWAY : RNDTOWARDS)); } return f; } static RtreeValue rtreeValueUp(sqlite3_value *v){ double d = sqlite3_value_double(v); float f = (float)d; if( f