1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_sc.hxx"
26 // INCLUDE ---------------------------------------------------------------
27
28
29
30 #include "subtotal.hxx"
31 #include "interpre.hxx"
32
33 // -----------------------------------------------------------------------
34
SafePlus(double & fVal1,double fVal2)35 sal_Bool SubTotal::SafePlus(double& fVal1, double fVal2)
36 {
37 sal_Bool bOk = sal_True;
38 SAL_MATH_FPEXCEPTIONS_OFF();
39 fVal1 += fVal2;
40 if (!::rtl::math::isFinite(fVal1))
41 {
42 bOk = sal_False;
43 if (fVal2 > 0.0)
44 fVal1 = DBL_MAX;
45 else
46 fVal1 = -DBL_MAX;
47 }
48 return bOk;
49 }
50
51
SafeMult(double & fVal1,double fVal2)52 sal_Bool SubTotal::SafeMult(double& fVal1, double fVal2)
53 {
54 sal_Bool bOk = sal_True;
55 SAL_MATH_FPEXCEPTIONS_OFF();
56 fVal1 *= fVal2;
57 if (!::rtl::math::isFinite(fVal1))
58 {
59 bOk = sal_False;
60 fVal1 = DBL_MAX;
61 }
62 return bOk;
63 }
64
65
SafeDiv(double & fVal1,double fVal2)66 sal_Bool SubTotal::SafeDiv(double& fVal1, double fVal2)
67 {
68 sal_Bool bOk = sal_True;
69 SAL_MATH_FPEXCEPTIONS_OFF();
70 fVal1 /= fVal2;
71 if (!::rtl::math::isFinite(fVal1))
72 {
73 bOk = sal_False;
74 fVal1 = DBL_MAX;
75 }
76 return bOk;
77 }
78