diff options
Diffstat (limited to 'mi/miarc.c')
| -rw-r--r-- | mi/miarc.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/mi/miarc.c b/mi/miarc.c index 7bbe5b3db..288bea326 100644 --- a/mi/miarc.c +++ b/mi/miarc.c @@ -26,13 +26,13 @@ Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. All Rights Reserved -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in +both that copyright notice and this permission notice appear in supporting documentation, and that the name of Digital not be used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. +software without specific, written prior permission. DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL @@ -98,7 +98,7 @@ cbrt(double x) /* * some interesting sematic interpretation of the protocol: * - * Self intersecting arcs (i.e. those spanning 360 degrees) + * Self intersecting arcs (i.e. those spanning 360 degrees) * never join with other arcs, and are drawn without caps * (unless on/off dashed, in which case each dash segment * is capped, except when the last segment meets the @@ -369,7 +369,7 @@ of the two quadratics y^2 + ((b+A)/2)y + (Z + (bZ - d)/A) = 0 -where +where A = +/- sqrt(8Z + b^2 - 4c) b, c, d are the cubic, quadratic, and linear coefficients of the quartic @@ -1496,7 +1496,7 @@ miArcCap(DrawablePtr pDraw, /* MIROUNDCAP -- a private helper function * Put Rounded cap on end. pCenter is the center of this end of the line * pEnd is the center of the other end of the line. pCorner is one of the - * two corners at this end of the line. + * two corners at this end of the line. * NOTE: pOtherCorner must be counter-clockwise from pCorner. */ /*ARGSUSED*/ static void @@ -1648,7 +1648,7 @@ miDatan2(double dy, double dx) * array. (For example, if we want to leave a spare point to make sectors * instead of segments.) So we pass in the malloc()ed chunk that contains the * array and an index saying where we should start stashing the points. - * If there isn't an array already, we just pass in a null pointer and + * If there isn't an array already, we just pass in a null pointer and * count on realloc() to handle the null pointer correctly. */ static int @@ -1667,7 +1667,7 @@ miGetArcPts(SppArcPtr parc, /* points to an arc */ SppPointPtr poly; /* The spec says that positive angles indicate counterclockwise motion. - * Given our coordinate system (with 0,0 in the upper left corner), + * Given our coordinate system (with 0,0 in the upper left corner), * the screen appears flipped in Y. The easiest fix is to negate the * angles given */ @@ -2753,7 +2753,7 @@ computeBound(struct arc_def *def, } /* - * this section computes the x value of the span at y + * this section computes the x value of the span at y * intersected with the specified face of the ellipse. * * this is the min/max X value over the set of normal @@ -2766,7 +2766,7 @@ computeBound(struct arc_def *def, * * compute the derivative with-respect-to ellipse_y and solve * for zero: - * + * * (w^2 - h^2) ellipse_y^3 + h^4 y * 0 = - ---------------------------------- * h w ellipse_y^2 sqrt (h^2 - ellipse_y^2) @@ -2793,7 +2793,7 @@ computeBound(struct arc_def *def, * * or (to use accelerators), * - * y0^3 (h^2 - w^2) - h^2 y (3y0^2 - 2h^2) + * y0^3 (h^2 - w^2) - h^2 y (3y0^2 - 2h^2) * */ |