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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)
52 if(NOT DEFINED isfinite_compile_ok)
53 MESSAGE(STATUS "Checking for isfinite")
55 set(CMAKE_REQUIRED_INCLUDES "math.h")
57 set(CMAKE_REQUIRED_LIBRARIES "m")
59 check_c_source_compiles(
64 }" isfinite_compile_ok)
66 if(isfinite_compile_ok)
67 MESSAGE(STATUS "Checking for isfinite - yes")
69 MESSAGE(STATUS "Checking for isfinite - no")
71 set(isfinite_compile_ok "${isfinite_compile_ok}" CACHE INTERNAL "Result of isfinite check")
72 set(CMAKE_REQUIRED_INCLUDES)
73 set(CMAKE_REQUIRED_LIBRARIES)
76 if(isfinite_compile_ok)
77 set(${VARIABLE} ${isfinite_compile_ok}
78 "Result of test for isfinite")
81 ENDMACRO(gmx_test_isfinite VARIABLE)
83 MACRO(gmx_test__isfinite VARIABLE)
85 if(NOT DEFINED _isfinite_compile_ok)
86 MESSAGE(STATUS "Checking for _isfinite")
88 set(CMAKE_REQUIRED_INCLUDES "math.h")
90 set(CMAKE_REQUIRED_LIBRARIES "m")
92 check_c_source_compiles(
97 }" _isfinite_compile_ok)
99 if(_isfinite_compile_ok)
100 MESSAGE(STATUS "Checking for _isfinite - yes")
102 MESSAGE(STATUS "Checking for _isfinite - no")
104 set(_isfinite_compile_ok "${_isfinite_compile_ok}" CACHE INTERNAL "Result of _isfinite check")
105 set(CMAKE_REQUIRED_INCLUDES)
106 set(CMAKE_REQUIRED_LIBRARIES)
109 if(_isfinite_compile_ok)
110 set(${VARIABLE} ${_isfinite_compile_ok}
111 "Result of test for _isfinite")
114 ENDMACRO(gmx_test__isfinite VARIABLE)
117 MACRO(gmx_test__finite VARIABLE)
119 if(NOT DEFINED _finite_compile_ok)
120 MESSAGE(STATUS "Checking for _finite")
122 set(CMAKE_REQUIRED_INCLUDES "float.h")
123 check_c_source_compiles(
128 }" _finite_compile_ok)
130 if(_finite_compile_ok)
131 MESSAGE(STATUS "Checking for _finite - yes")
133 MESSAGE(STATUS "Checking for _finite - no")
135 set(_finite_compile_ok "${_finite_compile_ok}" CACHE INTERNAL "Result of _finite check")
136 set(CMAKE_REQUIRED_INCLUDES)
139 if(_finite_compile_ok)
140 set(${VARIABLE} ${_finite_compile_ok}
141 "Result of test for _finite")
144 ENDMACRO(gmx_test__finite VARIABLE)