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macro(math_test expression expected)
math(EXPR evaluated ${expression} ${ARGN})
if (NOT evaluated STREQUAL ${expected})
message(FATAL_ERROR "wrong math result: ${evaluated} != ${expected}")
endif ()
endmacro()
math_test("100 * 10" 1000)
math_test("100 * 10" 1000 OUTPUT_FORMAT DECIMAL)
math_test("100 * 0xA" 1000 OUTPUT_FORMAT DECIMAL)
math_test("100 * 0xA" 0x3e8 OUTPUT_FORMAT HEXADECIMAL)
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