vurtun

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <assert.h>
#include <string.h>
#define streq(a, b) (!strcmp((a), (b)))

#ifndef __USE_GNU
#define __USE_GNU
#endif

vurtun

#include <stdio.h>
#include <stdint.h>
#include <assert.h>

#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <unistd.h>

vurtun

#include <assert.h>
#include <stddef.h>
#include <stdio.h>
#include <stdint.h>

#define tag(x) ((ptrdiff_t)&Tag##x)
#define is(x, T) ((x)->tag == tag(T))
#define as(x, T) ((struct T *)variant_cast((void *)(x), tag(T)))

static inline void*

vurtun

struct quat
quat_from_two_vectors(vec3 u, vec3 v)
{
    float m = sqrt(2.f + 2.f * dot(u, v));
    vec3 w = (1.f / m) * cross(u, v);
    return quat(0.5f * m, w.x, w.y, w.z);
}

vurtun

static void
Quat_FromEulerXYZ(float *euler_quat, float x, float y, float z)
{
    float sx = (float)sin((double)(x * 0.5f));
    float sy = (float)sin((double)(y * 0.5f));
    float sz = (float)sin((double)(z * 0.5f));
    float cx = (float)cos((double)(x * 0.5f));
    float cy = (float)cos((double)(y * 0.5f));
    float cz = (float)cos((double)(z * 0.5f));

vurtun

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <limits.h>

#include <sys/time.h>
#include <unistd.h>
#include <time.h>

vurtun

#define LIB_DEBUG 2
#if defined(LIB_DEBUG) && (LIB_DEBUG >= 2)
  #include <stdio.h>
  #define DEBUG_LOG(l, ...)                                 \
    if (l <= LIB_DEBUG) {                                   \
        fprintf(stderr, "%s(L:%d):, __FILE__, __LINE__);    \
        fprintf(stderr, __VA_ARGS__);                       \
        fprintf(stderr, " \n");                             \
     }
#else

vurtun

#if 0

static void
usage(const char *app)
{
    panic("\n"
        "usage: %s [options]\n"
        "\n"
        "   options:\n"
        "\n"

vurtun

struct path_iter {
    const char *begin;
    const char *end;
    /* internal */
    const char *next;
    const char *eof;
};
static void
path_begin(struct path_iter *it, const char *str, const char *end)
{

vurtun

#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <stdint.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>

/* ---------------------------------------------------------------------------
 *                                  ARG