Beignet-1.1.2 ( utests ) does not seem to compile on Ubuntu 16.04. Please find the error listed below.

/Beignet-1.1.2-Source/build$ ldd --version
ldd (Ubuntu GLIBC 2.23-0ubuntu3) 2.23
Copyright (C) 2016 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Written by Roland McGrath and Ulrich Drepper.

/Beignet-1.1.2-Source/build$ gcc --version
gcc (Ubuntu 5.3.1-14ubuntu2) 5.3.1 20160413
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Errors:

Beignet-1.1.2-Source/utests/generated/builtin_acos_float.cpp: In function ‘void builtin_acos_float()’:
Beignet-1.1.2-Source/utests/generated/builtin_acos_float.cpp:78:30: error: ‘isinf’ was not declared in this scope
     if (isinf(cpu_data[index])){


/home/developer/Beignet-1.1.2-Source/utests/generated/builtin_acos_float.cpp:81:35: error: ‘isnan’ was not declared in this scope
     else if (isnan(cpu_data[index])){
                                   ^
/home/developer/Beignet-1.1.2-Source/utests/generated/builtin_acos_float.cpp:81:35: note: suggested alternative:
In file included from xxxx/Beignet-1.1.2-Source/utests/generated/builtin_acos_float.cpp:10:0:
/usr/include/c++/5/cmath:641:5: note:   ‘std::isnan’
     isnan(_Tp __x)
     ^
Beignet-1.1.2-Source/utests/generated/builtin_acos_float.cpp:108:30: error: ‘isinf’ was not declared in this scope
     if (isinf(cpu_data[index])){
                              ^
Beignet-1.1.2-Source/utests/generated/builtin_acos_float.cpp:108:30: note: suggested alternative:
In file included from xxxx/Beignet-1.1.2-Source/utests/generated/builtin_acos_float.cpp:10:0:
/usr/include/c++/5/cmath:621:5: note:   ‘std::isinf’
     isinf(_Tp __x)
     ^
/Beignet-1.1.2-Source/utests/generated/builtin_acos_float.cpp:112:35: error: ‘isnan’ was not declared in this scope
     else if (isnan(cpu_data[index])){
                                   ^
/Beignet-1.1.2-Source/utests/generated/builtin_acos_float.cpp:112:35: note: suggested alternative:
In file included from /Beignet-1.1.2-Source/utests/generated/builtin_acos_float.cpp:10:0:
/usr/include/c++/5/cmath:641:5: note:   ‘std::isnan’