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Portability fixes, mostly from James for Palm purposes. Mostly
[sgt/puzzles]
/
grid.c
diff --git
a/grid.c
b/grid.c
index
d7e6442
..
4ad8c30
100644
(file)
--- a/
grid.c
+++ b/
grid.c
@@
-12,7
+12,7
@@
#include <assert.h>
#include <ctype.h>
#include <math.h>
#include <assert.h>
#include <ctype.h>
#include <math.h>
-#include <
errno
.h>
+#include <
float
.h>
#include "puzzles.h"
#include "tree234.h"
#include "puzzles.h"
#include "tree234.h"
@@
-52,7
+52,7
@@
void grid_free(grid *g)
/* Used by the other grid generators. Create a brand new grid with nothing
* initialised (all lists are NULL) */
/* Used by the other grid generators. Create a brand new grid with nothing
* initialised (all lists are NULL) */
-static grid *grid_empty()
+static grid *grid_empty(
void
)
{
grid *g = snew(grid);
g->faces = NULL;
{
grid *g = snew(grid);
g->faces = NULL;
@@
-225,6
+225,8
@@
xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n\n");
#endif
#ifdef SVG_GRID
#endif
#ifdef SVG_GRID
+#include <errno.h>
+
static void grid_try_svg(grid *g, int which)
{
char *svg = getenv("PUZZLES_SVG_GRID");
static void grid_try_svg(grid *g, int which)
{
char *svg = getenv("PUZZLES_SVG_GRID");
@@
-1268,7
+1270,15
@@
void grid_find_incentre(grid_face *f)
}
if (in) {
}
if (in) {
+#ifdef HUGE_VAL
double mindist = HUGE_VAL;
double mindist = HUGE_VAL;
+#else
+#ifdef DBL_MAX
+ double mindist = DBL_MAX;
+#else
+#error No way to get maximum floating-point number.
+#endif
+#endif
int e, d;
/*
int e, d;
/*
@@
-1377,7
+1387,7
@@
void grid_find_incentre(grid_face *f)
#define SQUARE_TILESIZE 20
#define SQUARE_TILESIZE 20
-void grid_size_square(int width, int height,
+
static
void grid_size_square(int width, int height,
int *tilesize, int *xextent, int *yextent)
{
int a = SQUARE_TILESIZE;
int *tilesize, int *xextent, int *yextent)
{
int a = SQUARE_TILESIZE;
@@
-1387,7
+1397,7
@@
void grid_size_square(int width, int height,
*yextent = height * a;
}
*yextent = height * a;
}
-grid *grid_new_square(int width, int height, char *desc)
+
static
grid *grid_new_square(int width, int height, char *desc)
{
int x, y;
/* Side length */
{
int x, y;
/* Side length */
@@
-1439,7
+1449,7
@@
grid *grid_new_square(int width, int height, char *desc)
#define HONEY_A 15
#define HONEY_B 26
#define HONEY_A 15
#define HONEY_B 26
-void grid_size_honeycomb(int width, int height,
+
static
void grid_size_honeycomb(int width, int height,
int *tilesize, int *xextent, int *yextent)
{
int a = HONEY_A;
int *tilesize, int *xextent, int *yextent)
{
int a = HONEY_A;
@@
-1450,7
+1460,7
@@
void grid_size_honeycomb(int width, int height,
*yextent = (2 * b * (height-1)) + 3*b;
}
*yextent = (2 * b * (height-1)) + 3*b;
}
-grid *grid_new_honeycomb(int width, int height, char *desc)
+
static
grid *grid_new_honeycomb(int width, int height, char *desc)
{
int x, y;
int a = HONEY_A;
{
int x, y;
int a = HONEY_A;
@@
-1508,7
+1518,7
@@
grid *grid_new_honeycomb(int width, int height, char *desc)
#define TRIANGLE_VEC_X 15
#define TRIANGLE_VEC_Y 26
#define TRIANGLE_VEC_X 15
#define TRIANGLE_VEC_Y 26
-void grid_size_triangular(int width, int height,
+
static
void grid_size_triangular(int width, int height,
int *tilesize, int *xextent, int *yextent)
{
int vec_x = TRIANGLE_VEC_X;
int *tilesize, int *xextent, int *yextent)
{
int vec_x = TRIANGLE_VEC_X;
@@
-1521,7
+1531,7
@@
void grid_size_triangular(int width, int height,
/* Doesn't use the previous method of generation, it pre-dates it!
* A triangular grid is just about simple enough to do by "brute force" */
/* Doesn't use the previous method of generation, it pre-dates it!
* A triangular grid is just about simple enough to do by "brute force" */
-grid *grid_new_triangular(int width, int height, char *desc)
+
static
grid *grid_new_triangular(int width, int height, char *desc)
{
int x,y;
{
int x,y;
@@
-1603,7
+1613,7
@@
grid *grid_new_triangular(int width, int height, char *desc)
#define SNUBSQUARE_A 15
#define SNUBSQUARE_B 26
#define SNUBSQUARE_A 15
#define SNUBSQUARE_B 26
-void grid_size_snubsquare(int width, int height,
+
static
void grid_size_snubsquare(int width, int height,
int *tilesize, int *xextent, int *yextent)
{
int a = SNUBSQUARE_A;
int *tilesize, int *xextent, int *yextent)
{
int a = SNUBSQUARE_A;
@@
-1614,7
+1624,7
@@
void grid_size_snubsquare(int width, int height,
*yextent = (a+b) * (height-1) + a + b;
}
*yextent = (a+b) * (height-1) + a + b;
}
-grid *grid_new_snubsquare(int width, int height, char *desc)
+
static
grid *grid_new_snubsquare(int width, int height, char *desc)
{
int x, y;
int a = SNUBSQUARE_A;
{
int x, y;
int a = SNUBSQUARE_A;
@@
-1717,7
+1727,7
@@
grid *grid_new_snubsquare(int width, int height, char *desc)
#define CAIRO_A 14
#define CAIRO_B 31
#define CAIRO_A 14
#define CAIRO_B 31
-void grid_size_cairo(int width, int height,
+
static
void grid_size_cairo(int width, int height,
int *tilesize, int *xextent, int *yextent)
{
int b = CAIRO_B; /* a unused in determining grid size. */
int *tilesize, int *xextent, int *yextent)
{
int b = CAIRO_B; /* a unused in determining grid size. */
@@
-1727,7
+1737,7
@@
void grid_size_cairo(int width, int height,
*yextent = 2*b*(height-1) + 2*b;
}
*yextent = 2*b*(height-1) + 2*b;
}
-grid *grid_new_cairo(int width, int height, char *desc)
+
static
grid *grid_new_cairo(int width, int height, char *desc)
{
int x, y;
int a = CAIRO_A;
{
int x, y;
int a = CAIRO_A;
@@
-1823,7
+1833,7
@@
grid *grid_new_cairo(int width, int height, char *desc)
#define GREATHEX_A 15
#define GREATHEX_B 26
#define GREATHEX_A 15
#define GREATHEX_B 26
-void grid_size_greathexagonal(int width, int height,
+
static
void grid_size_greathexagonal(int width, int height,
int *tilesize, int *xextent, int *yextent)
{
int a = GREATHEX_A;
int *tilesize, int *xextent, int *yextent)
{
int a = GREATHEX_A;
@@
-1834,7
+1844,7
@@
void grid_size_greathexagonal(int width, int height,
*yextent = (2*a + 2*b) * (height-1) + 3*b + a;
}
*yextent = (2*a + 2*b) * (height-1) + 3*b + a;
}
-grid *grid_new_greathexagonal(int width, int height, char *desc)
+
static
grid *grid_new_greathexagonal(int width, int height, char *desc)
{
int x, y;
int a = GREATHEX_A;
{
int x, y;
int a = GREATHEX_A;
@@
-1953,7
+1963,7
@@
grid *grid_new_greathexagonal(int width, int height, char *desc)
#define OCTAGONAL_A 29
#define OCTAGONAL_B 41
#define OCTAGONAL_A 29
#define OCTAGONAL_B 41
-void grid_size_octagonal(int width, int height,
+
static
void grid_size_octagonal(int width, int height,
int *tilesize, int *xextent, int *yextent)
{
int a = OCTAGONAL_A;
int *tilesize, int *xextent, int *yextent)
{
int a = OCTAGONAL_A;
@@
-1964,7
+1974,7
@@
void grid_size_octagonal(int width, int height,
*yextent = (2*a + b) * height;
}
*yextent = (2*a + b) * height;
}
-grid *grid_new_octagonal(int width, int height, char *desc)
+
static
grid *grid_new_octagonal(int width, int height, char *desc)
{
int x, y;
int a = OCTAGONAL_A;
{
int x, y;
int a = OCTAGONAL_A;
@@
-2036,7
+2046,7
@@
grid *grid_new_octagonal(int width, int height, char *desc)
#define KITE_A 15
#define KITE_B 26
#define KITE_A 15
#define KITE_B 26
-void grid_size_kites(int width, int height,
+
static
void grid_size_kites(int width, int height,
int *tilesize, int *xextent, int *yextent)
{
int a = KITE_A;
int *tilesize, int *xextent, int *yextent)
{
int a = KITE_A;
@@
-2047,7
+2057,7
@@
void grid_size_kites(int width, int height,
*yextent = 6*a * (height-1) + 8*a;
}
*yextent = 6*a * (height-1) + 8*a;
}
-grid *grid_new_kites(int width, int height, char *desc)
+
static
grid *grid_new_kites(int width, int height, char *desc)
{
int x, y;
int a = KITE_A;
{
int x, y;
int a = KITE_A;
@@
-2158,7
+2168,7
@@
grid *grid_new_kites(int width, int height, char *desc)
#define FLORET_PX 75
#define FLORET_PY -26
#define FLORET_PX 75
#define FLORET_PY -26
-void grid_size_floret(int width, int height,
+
static
void grid_size_floret(int width, int height,
int *tilesize, int *xextent, int *yextent)
{
int px = FLORET_PX, py = FLORET_PY; /* |( 75, -26)| = 79.43 */
int *tilesize, int *xextent, int *yextent)
{
int px = FLORET_PX, py = FLORET_PY; /* |( 75, -26)| = 79.43 */
@@
-2171,7
+2181,7
@@
void grid_size_floret(int width, int height,
*yextent = (5*qy-4*py) * (height-1) + 4*qy + 2*ry;
}
*yextent = (5*qy-4*py) * (height-1) + 4*qy + 2*ry;
}
-grid *grid_new_floret(int width, int height, char *desc)
+
static
grid *grid_new_floret(int width, int height, char *desc)
{
int x, y;
/* Vectors for sides; weird numbers needed to keep puzzle aligned with window
{
int x, y;
/* Vectors for sides; weird numbers needed to keep puzzle aligned with window
@@
-2265,7
+2275,7
@@
grid *grid_new_floret(int width, int height, char *desc)
#define DODEC_A 15
#define DODEC_B 26
#define DODEC_A 15
#define DODEC_B 26
-void grid_size_dodecagonal(int width, int height,
+
static
void grid_size_dodecagonal(int width, int height,
int *tilesize, int *xextent, int *yextent)
{
int a = DODEC_A;
int *tilesize, int *xextent, int *yextent)
{
int a = DODEC_A;
@@
-2276,7
+2286,7
@@
void grid_size_dodecagonal(int width, int height,
*yextent = (3*a + 2*b) * (height-1) + 2*(2*a + b);
}
*yextent = (3*a + 2*b) * (height-1) + 2*(2*a + b);
}
-grid *grid_new_dodecagonal(int width, int height, char *desc)
+
static
grid *grid_new_dodecagonal(int width, int height, char *desc)
{
int x, y;
int a = DODEC_A;
{
int x, y;
int a = DODEC_A;
@@
-2345,7
+2355,7
@@
grid *grid_new_dodecagonal(int width, int height, char *desc)
return g;
}
return g;
}
-void grid_size_greatdodecagonal(int width, int height,
+
static
void grid_size_greatdodecagonal(int width, int height,
int *tilesize, int *xextent, int *yextent)
{
int a = DODEC_A;
int *tilesize, int *xextent, int *yextent)
{
int a = DODEC_A;
@@
-2356,7
+2366,7
@@
void grid_size_greatdodecagonal(int width, int height,
*yextent = (3*a + 3*b) * (height-1) + 2*(2*a + b);
}
*yextent = (3*a + 3*b) * (height-1) + 2*(2*a + b);
}
-grid *grid_new_greatdodecagonal(int width, int height, char *desc)
+
static
grid *grid_new_greatdodecagonal(int width, int height, char *desc)
{
int x, y;
/* Vector for side of triangle - ratio is close to sqrt(3) */
{
int x, y;
/* Vector for side of triangle - ratio is close to sqrt(3) */
@@
-2468,12
+2478,12
@@
typedef struct setface_ctx
tree234 *points;
} setface_ctx;
tree234 *points;
} setface_ctx;
-
double round
(double r)
+
static double round_int_nearest_away
(double r)
{
return (r > 0.0) ? floor(r + 0.5) : ceil(r - 0.5);
}
{
return (r > 0.0) ? floor(r + 0.5) : ceil(r - 0.5);
}
-int set_faces(penrose_state *state, vector *vs, int n, int depth)
+
static
int set_faces(penrose_state *state, vector *vs, int n, int depth)
{
setface_ctx *sf_ctx = (setface_ctx *)state->ctx;
int i;
{
setface_ctx *sf_ctx = (setface_ctx *)state->ctx;
int i;
@@
-2489,8
+2499,8
@@
int set_faces(penrose_state *state, vector *vs, int n, int depth)
for (i = 0; i < n; i++) {
double tx = v_x(vs, i), ty = v_y(vs, i);
for (i = 0; i < n; i++) {
double tx = v_x(vs, i), ty = v_y(vs, i);
- xs[i] = (int)round( tx*cosa + ty*sina);
- ys[i] = (int)round(-tx*sina + ty*cosa);
+ xs[i] = (int)round
_int_nearest_away
( tx*cosa + ty*sina);
+ ys[i] = (int)round
_int_nearest_away
(-tx*sina + ty*cosa);
if (xs[i] < sf_ctx->xmin || xs[i] > sf_ctx->xmax) return 0;
if (ys[i] < sf_ctx->ymin || ys[i] > sf_ctx->ymax) return 0;
if (xs[i] < sf_ctx->xmin || xs[i] > sf_ctx->xmax) return 0;
if (ys[i] < sf_ctx->ymin || ys[i] > sf_ctx->ymax) return 0;
@@
-2512,7
+2522,7
@@
int set_faces(penrose_state *state, vector *vs, int n, int depth)
#define PENROSE_TILESIZE 100
#define PENROSE_TILESIZE 100
-void grid_size_penrose(int width, int height,
+
static
void grid_size_penrose(int width, int height,
int *tilesize, int *xextent, int *yextent)
{
int l = PENROSE_TILESIZE;
int *tilesize, int *xextent, int *yextent)
{
int l = PENROSE_TILESIZE;
@@
-2669,24
+2679,24
@@
static grid *grid_new_penrose(int width, int height, int which, char *desc)
return g;
}
return g;
}
-void grid_size_penrose_p2_kite(int width, int height,
+
static
void grid_size_penrose_p2_kite(int width, int height,
int *tilesize, int *xextent, int *yextent)
{
grid_size_penrose(width, height, tilesize, xextent, yextent);
}
int *tilesize, int *xextent, int *yextent)
{
grid_size_penrose(width, height, tilesize, xextent, yextent);
}
-void grid_size_penrose_p3_thick(int width, int height,
+
static
void grid_size_penrose_p3_thick(int width, int height,
int *tilesize, int *xextent, int *yextent)
{
grid_size_penrose(width, height, tilesize, xextent, yextent);
}
int *tilesize, int *xextent, int *yextent)
{
grid_size_penrose(width, height, tilesize, xextent, yextent);
}
-grid *grid_new_penrose_p2_kite(int width, int height, char *desc)
+
static
grid *grid_new_penrose_p2_kite(int width, int height, char *desc)
{
return grid_new_penrose(width, height, PENROSE_P2, desc);
}
{
return grid_new_penrose(width, height, PENROSE_P2, desc);
}
-grid *grid_new_penrose_p3_thick(int width, int height, char *desc)
+
static
grid *grid_new_penrose_p3_thick(int width, int height, char *desc)
{
return grid_new_penrose(width, height, PENROSE_P3, desc);
}
{
return grid_new_penrose(width, height, PENROSE_P3, desc);
}