You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
150 lines
4.7 KiB
150 lines
4.7 KiB
# @HEADER
|
|
# ************************************************************************
|
|
#
|
|
# TriBITS: Tribal Build, Integrate, and Test System
|
|
# Copyright 2013 Sandia Corporation
|
|
#
|
|
# Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
|
|
# the U.S. Government retains certain rights in this software.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions are
|
|
# met:
|
|
#
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
#
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
#
|
|
# 3. Neither the name of the Corporation nor the names of the
|
|
# contributors may be used to endorse or promote products derived from
|
|
# this software without specific prior written permission.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
|
|
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
|
|
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
#
|
|
# ************************************************************************
|
|
# @HEADER
|
|
|
|
# Checks for the isnan() and isinf() functions needed by Trilinos.
|
|
# These functions are not supported reliably across all platforms.
|
|
# Even if they are supported, they sometimes don't have a prototype
|
|
# defined in a header, making it useless in c++.
|
|
|
|
# We check for a predefined version and use that. If not, then we
|
|
# fall back on checks that may or may not work depending on the
|
|
# platforms's compliance with IEEE standards.
|
|
|
|
include(CheckCXXSourceRuns)
|
|
include(CheckCXXSourceCompiles)
|
|
|
|
#############################################################
|
|
# isnan
|
|
#############################################################
|
|
|
|
# Some machines have isnan() in the global namespace and some put it
|
|
# in the std:: namespace. We will check for both.
|
|
|
|
set(SOURCE_GLOBAL_ISNAN
|
|
"
|
|
#include <cmath>
|
|
int main()
|
|
{
|
|
double x = 1.0;
|
|
isnan(x);
|
|
return 0;
|
|
}
|
|
"
|
|
)
|
|
|
|
check_cxx_source_compiles("${SOURCE_GLOBAL_ISNAN}"
|
|
FINITE_VALUE_HAVE_GLOBAL_ISNAN)
|
|
|
|
set(SOURCE_STD_ISNAN
|
|
"
|
|
#include <cmath>
|
|
int main()
|
|
{
|
|
double x = 1.0;
|
|
std::isnan(x);
|
|
return 0;
|
|
}
|
|
"
|
|
)
|
|
|
|
check_cxx_source_compiles("${SOURCE_STD_ISNAN}"
|
|
FINITE_VALUE_HAVE_STD_ISNAN)
|
|
|
|
if (CMAKE_VERBOSE_MAKEFILE)
|
|
if (NOT FINITE_VALUE_HAVE_GLOBAL_ISNAN AND
|
|
NOT FINITE_VALUE_HAVE_STD_ISNAN )
|
|
message("****************************************************")
|
|
message("** NOTE: Your compiler doesn't support isnan() or")
|
|
message("** std::isnan()")
|
|
message("** We will supply a default checker but it is ")
|
|
message("** *NOT* guaranteed to work on your platform")
|
|
message("** unless your machine is IEEE 748/754 compliant.")
|
|
message("****************************************************")
|
|
endif()
|
|
endif()
|
|
|
|
#############################################################
|
|
# isinf
|
|
#############################################################
|
|
|
|
set(SOURCE_GLOBAL_ISINF
|
|
"
|
|
#include <cmath>
|
|
int main()
|
|
{
|
|
double x = 1.0;
|
|
isinf(x);
|
|
return 0;
|
|
}
|
|
"
|
|
)
|
|
|
|
check_cxx_source_compiles("${SOURCE_GLOBAL_ISINF}"
|
|
FINITE_VALUE_HAVE_GLOBAL_ISINF)
|
|
|
|
set(SOURCE_STD_ISINF
|
|
"
|
|
#include <cmath>
|
|
int main()
|
|
{
|
|
double x = 1.0;
|
|
std::isinf(x);
|
|
return 0;
|
|
}
|
|
"
|
|
)
|
|
|
|
check_cxx_source_compiles("${SOURCE_STD_ISINF}"
|
|
FINITE_VALUE_HAVE_STD_ISINF)
|
|
|
|
if (CMAKE_VERBOSE_MAKEFILE)
|
|
if (NOT FINITE_VALUE_HAVE_GLOBAL_ISINF AND
|
|
NOT FINITE_VALUE_HAVE_STD_ISINF )
|
|
message("****************************************************")
|
|
message("** NOTE: Your compiler doesn't support isinf() or")
|
|
message("** std::isinf()")
|
|
message("** We will supply a default checker but it is ")
|
|
message("** *NOT* guaranteed to work on your platform")
|
|
message("** unless your machine is IEEE 748/754 compliant.")
|
|
message("****************************************************")
|
|
endif()
|
|
endif()
|
|
|
|
#############################################################
|
|
#############################################################
|
|
|