view foosdk/sdk/pfc/bsearch_inline.h @ 1:20d02a178406 default tip

*: check in everything else yay
author Paper <paper@tflc.us>
date Mon, 05 Jan 2026 02:15:46 -0500
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#pragma once

namespace pfc {

	//deprecated

template<typename t_callback>
inline bool bsearch_inline_t(t_size p_count, t_callback && p_callback,t_size & p_result)
{
	t_size max = p_count;
	t_size min = 0;
	t_size ptr;
	while(min<max)
	{
		ptr = min + ( (max-min) >> 1);
		int result = p_callback.test(ptr);
		if (result<0) min = ptr + 1;
		else if (result>0) max = ptr;
		else 
		{
			p_result = ptr;
			return true;
		}
	}
	p_result = min;
	return false;
}

template<typename t_buffer, typename t_value, typename pred_t>
inline bool bsearch_simple_inline_t(t_buffer&& p_buffer, t_size p_count, t_value const& p_value, pred_t && pred, t_size& p_result)
{
	t_size max = p_count;
	t_size min = 0;
	t_size ptr;
	while (min < max)
	{
		ptr = min + ((max - min) >> 1);
		int test = pred(p_value, p_buffer[ptr]);
		if ( test > 0 ) min = ptr + 1;
		else if ( test < 0 ) max = ptr;
		else
		{
			p_result = ptr;
			return true;
		}
	}
	p_result = min;
	return false;
}

template<typename t_buffer,typename t_value>
inline bool bsearch_simple_inline_t(t_buffer && p_buffer,t_size p_count,t_value && p_value,t_size & p_result)
{
	t_size max = p_count;
	t_size min = 0;
	t_size ptr;
	while(min<max)
	{
		ptr = min + ( (max-min) >> 1);
		if (p_value > p_buffer[ptr]) min = ptr + 1;
		else if (p_value < p_buffer[ptr]) max = ptr;
		else 
		{
			p_result = ptr;
			return true;
		}
	}
	p_result = min;
	return false;
}

}