Fixing the fixes :-) More formatting.
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@ -64,7 +64,7 @@
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/* */
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/* <Description> */
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/* Computes the square root of an Int32 integer (which will be */
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/* as an unsigned long value). */
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/* handled as an unsigned long value). */
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/* */
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/* <Input> */
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/* x :: The value to compute the root for. */
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@ -132,13 +132,14 @@
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{
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FT_Int s;
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s = 1;
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if ( a < 0 ) { a = -a; s = -s; }
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if ( b < 0 ) { b = -b; s = -s; }
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if ( c < 0 ) { c = -c; s = -s; }
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return s * ( c > 0 ? ( ( (FT_Int64)a * b + ( c >> 1 ) ) / c )
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: 0x7FFFFFFF );
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return s * ( c > 0 ? ( (FT_Int64)a * b + ( c >> 1 ) ) / c
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: 0x7FFFFFFFL );
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}
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@ -219,7 +220,7 @@
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s ^= b; b = ABS(b);
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if ( b == 0 )
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/* check for divide by 0 */
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/* check for division by 0 */
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q = 0x7FFFFFFFL;
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else
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/* compute result directly */
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@ -346,12 +347,13 @@
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if ( a <= 46340 && b <= 46340 && c <= 176095L && c > 0 )
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{
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a = a*b + (c >> 1) ) / c;
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a = ( a * b + ( c >> 1 ) ) / c;
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}
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else if ( c > 0 )
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{
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FT_Int64 temp, temp2;
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FT_MulTo64( a, b, &temp );
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temp2.hi = (FT_Int32)( c >> 31 );
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temp2.lo = (FT_Word32)( c / 2 );
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@ -359,7 +361,7 @@
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a = FT_Div64by32( &temp, c );
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}
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else
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a = 0x7FFFFFFF;
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a = 0x7FFFFFFFL;
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return ( s < 0 ) ? -a : a;
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}
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@ -421,7 +423,9 @@
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FT_ULong al = ua & 0xFFFF;
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ua = (ua >> 16)*ub + al*(ub >> 16) + ( al*(ub & 0xFFFF) >> 16 );
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ua = ( ua >> 16 ) * ub +
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al * ( ub >> 16 ) +
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( al * ( ub & 0xFFFF ) >> 16 );
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}
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return ( s < 0 ? -(FT_Long)ua : ua );
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@ -447,7 +451,7 @@
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/* The result of `(a*0x10000)/b'. */
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/* */
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/* <Note> */
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/* The optimization for FT_DivFix() is simple: If (a << 16) fits in */
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/* The optimization for FT_DivFix() is simple: If (a << 16) fits into */
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/* 32 bits, then the division is computed directly. Otherwise, we */
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/* use a specialized version of the old FT_MulDiv64(). */
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/* */
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@ -462,8 +466,10 @@
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s ^= b; b = ABS(b);
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if ( b == 0 )
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/* check for divide by 0 */
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{
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/* check for division by 0 */
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q = 0x7FFFFFFFL;
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}
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else if ( ( a >> 16 ) == 0 )
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{
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/* compute result directly */
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@ -615,6 +621,7 @@
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FT_Int32 s;
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FT_Word32 q, r, i, lo;
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s = x->hi;
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if ( s < 0 )
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{
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@ -626,8 +633,10 @@
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/* Shortcut */
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if ( x->hi == 0 )
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{
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if (y > 0) q = x->lo / y;
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else q = 0x7FFFFFFF;
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if ( y > 0 )
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q = x->lo / y;
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else
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q = 0x7FFFFFFFL;
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return ( s < 0 ) ? -(FT_Int32)q : (FT_Int32)q;
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}
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@ -637,7 +646,7 @@
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if ( r >= (FT_Word32)y ) /* we know y is to be treated as unsigned here */
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return ( s < 0 ) ? 0x80000001L : 0x7FFFFFFFL;
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/* Return Max/Min Int32 if divide overflow. */
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/* Return Max/Min Int32 if division overflow. */
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/* This includes division by zero! */
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q = 0;
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for ( i = 0; i < 32; i++ )
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@ -678,6 +687,7 @@
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z->hi = hi;
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}
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static
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int ft_order64( FT_Int64* z )
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{
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@ -701,6 +711,7 @@
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return j - 1;
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}
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/*************************************************************************/
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/* */
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/* <Function> */
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@ -728,7 +739,8 @@
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return 0;
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s = ft_order64( l );
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if ( s == 0 ) return 1;
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if ( s == 0 )
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return 1;
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r = ft_square_roots[s];
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do
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