C++ (Cpp) histval示例

示例#1

文件： bsdfmesh.c 项目： kalyanam-FMTGA/ray-original

/* Compute minimum BSDF from histogram and clear it */
static void
comp_bsdf_min()
{
	int	cnt;
	int	i, target;

	cnt = 0;
	for (i = HISTLEN; i--; )
		cnt += bsdf_hist[i];

	target = cnt/100;			/* ignore bottom 1% */
	cnt = 0;
	for (i = 0; cnt <= target; i++)
		cnt += bsdf_hist[i];
	bsdf_min = histval(i-1);
	memset(bsdf_hist, 0, sizeof(bsdf_hist));
}

示例#2

文件： bsdfrbf.c 项目： Pizookies/Radiance

/* Compute minimum BSDF from histogram and clear it */
static void
comp_bsdf_min()
{
	int	cnt;
	int	i, target;

	cnt = 0;
	for (i = HISTLEN; i--; )
		cnt += bsdf_hist[i];
	if (!cnt) {				/* shouldn't happen */
		bsdf_min = 0;
		return;
	}
	target = cnt/100;			/* ignore bottom 1% */
	cnt = 0;
	for (i = 0; cnt <= target; i++)
		cnt += bsdf_hist[i];
	bsdf_min = histval(i-1);
	memset(bsdf_hist, 0, sizeof(bsdf_hist));
}