diff options
Diffstat (limited to 'newlib/libm/common/s_infinity.c')
| -rw-r--r-- | newlib/libm/common/s_infinity.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/newlib/libm/common/s_infinity.c b/newlib/libm/common/s_infinity.c index 9f9cbebee..02a545edb 100644 --- a/newlib/libm/common/s_infinity.c +++ b/newlib/libm/common/s_infinity.c @@ -5,7 +5,7 @@ /* FUNCTION - <<infinity>>, <<infinityf>>---representation of infinity + <<infinity>>, <<infinityf>>--representation of infinity INDEX infinity @@ -17,17 +17,18 @@ ANSI_SYNOPSIS double infinity(void); float infinityf(void); -TRAD_SYNOPSIS - #include <math.h> - double infinity(); - float infinityf(); - - DESCRIPTION <<infinity>> and <<infinityf>> return the special number IEEE infinity in double- and single-precision arithmetic respectively. +PORTABILITY +<<infinity>> and <<infinityf>> are neither standard C nor POSIX. C and +POSIX require macros HUGE_VAL and HUGE_VALF to be defined in math.h, which +Newlib defines to be infinities corresponding to these archaic infinity() +and infinityf() functions in floating-point implementations which do have +infinities. + QUICKREF infinity - pure |