HelenOS sources

__FCOMPARE_LESS   132 uspace/lib/c/include/math.h #define isless(x, y)         (!!(__fcompare(sizeof(x), sizeof(y), (x), (y)) & __FCOMPARE_LESS))
__FCOMPARE_LESS   133 uspace/lib/c/include/math.h #define islessequal(x, y)    (!!(__fcompare(sizeof(x), sizeof(y), (x), (y)) & (__FCOMPARE_LESS | __FCOMPARE_EQUAL)))
__FCOMPARE_LESS   134 uspace/lib/c/include/math.h #define islessgreater(x, y)  (!!(__fcompare(sizeof(x), sizeof(y), (x), (y)) & (__FCOMPARE_LESS | __FCOMPARE_GREATER)))
__FCOMPARE_LESS    77 uspace/lib/math/generic/__fcompare.c 			return __FCOMPARE_LESS;
__FCOMPARE_LESS   132 uspace/lib/posix/include/libc/math.h #define isless(x, y)         (!!(__fcompare(sizeof(x), sizeof(y), (x), (y)) & __FCOMPARE_LESS))
__FCOMPARE_LESS   133 uspace/lib/posix/include/libc/math.h #define islessequal(x, y)    (!!(__fcompare(sizeof(x), sizeof(y), (x), (y)) & (__FCOMPARE_LESS | __FCOMPARE_EQUAL)))
__FCOMPARE_LESS   134 uspace/lib/posix/include/libc/math.h #define islessgreater(x, y)  (!!(__fcompare(sizeof(x), sizeof(y), (x), (y)) & (__FCOMPARE_LESS | __FCOMPARE_GREATER)))