cmake HAVE_FLOORF examples

Illumina/strelka src/cmake/cxxConfigure.cmake :40

check_function_exists(floorf HAVE_FLOORF)

GenericMappingTools/gmt cmake/modules/ConfigureChecks.cmake :399

check_symbol_exists (floorf      "${_math_h}" HAVE_FLOORF)

llvm-dcpu16/llvm-dcpu16 cmake/config-ix.cmake :106

check_symbol_exists(floorf math.h HAVE_FLOORF)

KhronosGroup/SPIRV-LLVM cmake/config-ix.cmake :143

check_symbol_exists(floorf math.h HAVE_FLOORF)