HelenOS sources

fpclassify        124 uspace/lib/c/include/math.h #define isfinite(x)    (fpclassify(x) > FP_INFINITE)
fpclassify        125 uspace/lib/c/include/math.h #define isinf(x)       (fpclassify(x) == FP_INFINITE)
fpclassify        126 uspace/lib/c/include/math.h #define isnan(x)       (fpclassify(x) == FP_NAN)
fpclassify        127 uspace/lib/c/include/math.h #define isnormal(x)    (fpclassify(x) == FP_NORMAL)
fpclassify         45 uspace/lib/math/generic/__fpclassify.c 		result = fpclassify((float) va_arg(ap, double));
fpclassify         48 uspace/lib/math/generic/__fpclassify.c 		result = fpclassify(va_arg(ap, double));
fpclassify         51 uspace/lib/math/generic/__fpclassify.c 		result = fpclassify(va_arg(ap, long double));
fpclassify        124 uspace/lib/posix/include/libc/math.h #define isfinite(x)    (fpclassify(x) > FP_INFINITE)
fpclassify        125 uspace/lib/posix/include/libc/math.h #define isinf(x)       (fpclassify(x) == FP_INFINITE)
fpclassify        126 uspace/lib/posix/include/libc/math.h #define isnan(x)       (fpclassify(x) == FP_NAN)
fpclassify        127 uspace/lib/posix/include/libc/math.h #define isnormal(x)    (fpclassify(x) == FP_NORMAL)