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php 5.4.29

    1: /*
    2:    +----------------------------------------------------------------------+
    3:    | Zend Engine                                                          |
    4:    +----------------------------------------------------------------------+
    5:    | Copyright (c) 1998-2014 Zend Technologies Ltd. (http://www.zend.com) |
    6:    +----------------------------------------------------------------------+
    7:    | This source file is subject to version 2.00 of the Zend license,     |
    8:    | that is bundled with this package in the file LICENSE, and is        | 
    9:    | available through the world-wide-web at the following url:           |
   10:    | http://www.zend.com/license/2_00.txt.                                |
   11:    | If you did not receive a copy of the Zend license and are unable to  |
   12:    | obtain it through the world-wide-web, please send a note to          |
   13:    | license@zend.com so we can mail you a copy immediately.              |
   14:    +----------------------------------------------------------------------+
   15:    | Authors: Christian Seiler <chris_se@gmx.net>                         |
   16:    +----------------------------------------------------------------------+
   17: */
   18: 
   19: /* $Id: zend_float.c,v 1.1.1.4 2014/06/15 20:04:03 misho Exp $ */
   20: 
   21: #include "zend.h"
   22: #include "zend_compile.h"
   23: #include "zend_float.h"
   24: 
   25: ZEND_API void zend_init_fpu(TSRMLS_D) /* {{{ */
   26: {
   27: #if XPFPA_HAVE_CW
   28: 	XPFPA_DECLARE
   29: 	
   30: 	if (!EG(saved_fpu_cw_ptr)) {
   31: 		EG(saved_fpu_cw_ptr) = (void*)&EG(saved_fpu_cw);
   32: 	}
   33: 	XPFPA_STORE_CW(EG(saved_fpu_cw_ptr));
   34: 	XPFPA_SWITCH_DOUBLE();
   35: #else
   36: 	EG(saved_fpu_cw_ptr) = NULL;
   37: #endif
   38: }
   39: /* }}} */
   40: 
   41: ZEND_API void zend_shutdown_fpu(TSRMLS_D) /* {{{ */
   42: {
   43: #if XPFPA_HAVE_CW
   44: 	if (EG(saved_fpu_cw_ptr)) {
   45: 		XPFPA_RESTORE_CW(EG(saved_fpu_cw_ptr));
   46: 	}
   47: #endif
   48: 	EG(saved_fpu_cw_ptr) = NULL;
   49: }
   50: /* }}} */
   51: 
   52: ZEND_API void zend_ensure_fpu_mode(TSRMLS_D) /* {{{ */
   53: {
   54: 	XPFPA_DECLARE
   55: 	
   56: 	XPFPA_SWITCH_DOUBLE();
   57: }
   58: /* }}} */