__isInf           395 src/lib9/fmt/fltfmt.c 	if(__isInf(f, 1)) {
__isInf           399 src/lib9/fmt/fltfmt.c 	if(__isInf(f, -1)) {
__isInf            56 src/lib9/fmt/fmtdef.h int          __isInf(double d, int sign);
__isInf            53 src/lib9/nan.c 	return __isInf(x, sign);