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Annotation of embedaddon/php/Zend/zend_float.c, revision 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: /* }}} */