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Annotation of embedaddon/php/Zend/zend_float.c, revision 1.1.1.1

1.1       misho       1: /*
                      2:    +----------------------------------------------------------------------+
                      3:    | Zend Engine                                                          |
                      4:    +----------------------------------------------------------------------+
                      5:    | Copyright (c) 1998-2012 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 321634 2012-01-01 13:15:04Z felipe $ */
                     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)) {
                     31:                EG(saved_fpu_cw) = emalloc(sizeof(XPFPA_CW_DATATYPE));
                     32:        }
                     33:        XPFPA_STORE_CW(EG(saved_fpu_cw));
                     34:        XPFPA_SWITCH_DOUBLE();
                     35: #else
                     36:        if (EG(saved_fpu_cw)) {
                     37:                efree(EG(saved_fpu_cw));
                     38:        }
                     39:        EG(saved_fpu_cw) = NULL;
                     40: #endif
                     41: }
                     42: /* }}} */
                     43: 
                     44: ZEND_API void zend_shutdown_fpu(TSRMLS_D) /* {{{ */
                     45: {
                     46: #if XPFPA_HAVE_CW
                     47:        if (EG(saved_fpu_cw)) {
                     48:                XPFPA_RESTORE_CW(EG(saved_fpu_cw));
                     49:        }
                     50: #endif
                     51:        if (EG(saved_fpu_cw)) {
                     52:                efree(EG(saved_fpu_cw));
                     53:                EG(saved_fpu_cw) = NULL;
                     54:        }
                     55: }
                     56: /* }}} */
                     57: 
                     58: ZEND_API void zend_ensure_fpu_mode(TSRMLS_D) /* {{{ */
                     59: {
                     60:        XPFPA_DECLARE
                     61:        
                     62:        XPFPA_SWITCH_DOUBLE();
                     63: }
                     64: /* }}} */