1                 : /*
       2                 :    +----------------------------------------------------------------------+
       3                 :    | Zend Engine                                                          |
       4                 :    +----------------------------------------------------------------------+
       5                 :    | Copyright (c) 1998-2009 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 277413 2009-03-18 11:53:10Z dmitry $ */
      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           17619 : {
      27                 : #if XPFPA_HAVE_CW
      28                 :         XPFPA_DECLARE
      29                 :         
      30           17619 :         if (!EG(saved_fpu_cw)) {
      31           17619 :                 EG(saved_fpu_cw) = emalloc(sizeof(XPFPA_CW_DATATYPE));
      32                 :         }
      33           17619 :         XPFPA_STORE_CW(EG(saved_fpu_cw));
      34           17619 :         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           17619 : }
      42                 : /* }}} */
      43                 : 
      44                 : ZEND_API void zend_shutdown_fpu(TSRMLS_D) /* {{{ */
      45           17651 : {
      46                 : #if XPFPA_HAVE_CW
      47           17651 :         if (EG(saved_fpu_cw)) {
      48           17651 :                 XPFPA_RESTORE_CW(EG(saved_fpu_cw));
      49                 :         }
      50                 : #endif
      51           17651 :         if (EG(saved_fpu_cw)) {
      52           17651 :                 efree(EG(saved_fpu_cw));
      53           17651 :                 EG(saved_fpu_cw) = NULL;
      54                 :         }
      55           17651 : }
      56                 : /* }}} */
      57                 : 
      58                 : ZEND_API void zend_ensure_fpu_mode(TSRMLS_D) /* {{{ */
      59               0 : {
      60                 :         XPFPA_DECLARE
      61                 :         
      62               0 :         XPFPA_SWITCH_DOUBLE();
      63               0 : }
      64                 : /* }}} */