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35 # - Define macro to check if isfinite or _isfinite exists
37 # gmx_test_isfinite(VARIABLE)
39 # VARIABLE will be set to true if isfinite exists
41 # gmx_test__isfinite(VARIABLE)
43 # VARIABLE will be set to true if _isfinite exists
45 # gmx_test__finite(VARIABLE) - disabled since it doesn't seem to work the way the MSVC docs suggest
47 # VARIABLE will be set to true if _finite exists
50 MACRO(gmx_test_isfinite VARIABLE)
51 if(NOT DEFINED isfinite_compile_ok)
52 MESSAGE(STATUS "Checking for isfinite")
54 set(CMAKE_REQUIRED_INCLUDES "math.h")
56 set(CMAKE_REQUIRED_LIBRARIES "m")
58 check_c_source_compiles(
63 }" isfinite_compile_ok)
65 if(isfinite_compile_ok)
66 MESSAGE(STATUS "Checking for isfinite - yes")
67 else(isfinite_compile_ok)
68 MESSAGE(STATUS "Checking for isfinite - no")
69 endif(isfinite_compile_ok)
70 set(isfinite_compile_ok "${isfinite_compile_ok}" CACHE INTERNAL "Result of isfinite check")
71 set(CMAKE_REQUIRED_INCLUDES)
72 set(CMAKE_REQUIRED_LIBRARIES)
73 endif(NOT DEFINED isfinite_compile_ok)
74 if(isfinite_compile_ok)
75 set(${VARIABLE} ${isfinite_compile_ok}
76 "Result of test for isfinite")
78 ENDMACRO(gmx_test_isfinite VARIABLE)
80 MACRO(gmx_test__isfinite VARIABLE)
81 if(NOT DEFINED _isfinite_compile_ok)
82 MESSAGE(STATUS "Checking for _isfinite")
84 set(CMAKE_REQUIRED_INCLUDES "math.h")
86 set(CMAKE_REQUIRED_LIBRARIES "m")
88 check_c_source_compiles(
93 }" _isfinite_compile_ok)
95 if(_isfinite_compile_ok)
96 MESSAGE(STATUS "Checking for _isfinite - yes")
97 else(_isfinite_compile_ok)
98 MESSAGE(STATUS "Checking for _isfinite - no")
99 endif(_isfinite_compile_ok)
100 set(_isfinite_compile_ok "${_isfinite_compile_ok}" CACHE INTERNAL "Result of _isfinite check")
101 set(CMAKE_REQUIRED_INCLUDES)
102 set(CMAKE_REQUIRED_LIBRARIES)
103 endif(NOT DEFINED _isfinite_compile_ok)
104 if(_isfinite_compile_ok)
105 set(${VARIABLE} ${_isfinite_compile_ok}
106 "Result of test for _isfinite")
108 ENDMACRO(gmx_test__isfinite VARIABLE)
111 MACRO(gmx_test__finite VARIABLE)
112 if(NOT DEFINED _finite_compile_ok)
113 MESSAGE(STATUS "Checking for _finite")
115 set(CMAKE_REQUIRED_INCLUDES "float.h")
116 check_c_source_compiles(
121 }" _finite_compile_ok)
123 if(_finite_compile_ok)
124 MESSAGE(STATUS "Checking for _finite - yes")
125 else(_finite_compile_ok)
126 MESSAGE(STATUS "Checking for _finite - no")
127 endif(_finite_compile_ok)
128 set(_finite_compile_ok "${_finite_compile_ok}" CACHE INTERNAL "Result of _finite check")
129 set(CMAKE_REQUIRED_INCLUDES)
130 endif(NOT DEFINED _finite_compile_ok)
131 if(_finite_compile_ok)
132 set(${VARIABLE} ${_finite_compile_ok}
133 "Result of test for _finite")
135 ENDMACRO(gmx_test__finite VARIABLE)