#include "util.h" #include int sign(int x) { return (x > 0) - (x < 0); } float absf(float x) { return x * (-1 + 2 * (x > 0)); } float minf(float x, float y) { return (x < y) ? (x) : (y); } float maxf(float x, float y) { return (x > y) ? (x) : (y); } int min(int x, int y) { return (x < y) ? (x) : (y); } int max(int x, int y) { return (x > y) ? (x) : (y); } void dputs_outline(int x, int y, int halign, int valign, const char *text) { int rx = 2; while (rx-- > -1) { int ry = 2; while (ry-- > -1) { dprint_opt(x + rx, y + ry, C_WHITE, C_NONE, halign, valign, "%s", text); } } dprint_opt(x, y, C_BLACK, C_NONE, halign, valign, "%s", text); }