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/**
* The MIT License (MIT)
* Copyright (c) 2018 Rudi Theunissen
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
* THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef HAVE_PHP_DECIMAL_CONTEXT_H
#define HAVE_PHP_DECIMAL_CONTEXT_H
#include <php.h>
#include <mpdecimal.h>
#include "bool.h"
#include "globals.h"
#include "errors.h"
#include "limits.h"
/**
* Default precision.
*/
#define PHP_DECIMAL_DEFAULT_PREC 34
/**
* Rounding applied to arithmetic, rather than rounding functions.
*/
#define PHP_DECIMAL_CONTEXT_ROUNDING MPD_ROUND_HALF_EVEN
/**
* Defines which conditions call the trap handler.
*/
#define PHP_DECIMAL_CONTEXT_TRAPS (MPD_Errors | MPD_Traps)
/**
* Used to perform a task using a temporary precision.
*/
#define PHP_DECIMAL_WITH_PRECISION(p, task) do { \
const zend_long _prec = p; \
const zend_long _prev = SHARED_CONTEXT->prec; \
if (UNEXPECTED(_prec > PHP_DECIMAL_MAX_PREC)) { \
php_decimal_precision_overflow(); \
} \
SHARED_CONTEXT->prec = _prec; \
task; \
SHARED_CONTEXT->prec = _prev; \
} while(0)
/**
* Used to perform a task using a temporary precision.
*/
#define PHP_DECIMAL_WITH_ROUNDING(m, task) do { \
const int _mode = m; \
const int _prev = SHARED_CONTEXT->round; \
SHARED_CONTEXT->round = _mode; \
task; \
SHARED_CONTEXT->round = _prev; \
} while(0)
/**
* Checks whether a given precision is valid.
*/
zend_bool php_decimal_validate_prec(const zend_long prec);
/**
*
*/
void php_decimal_context_init();
void php_decimal_context_dtor();
#endif