diff options
Diffstat (limited to 'gl/tests/nan.h')
| -rw-r--r-- | gl/tests/nan.h | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/gl/tests/nan.h b/gl/tests/nan.h index 5e1c0c3798..eb5fd95931 100644 --- a/gl/tests/nan.h +++ b/gl/tests/nan.h @@ -17,8 +17,9 @@ /* NaNf () returns a 'float' not-a-number. */ -/* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */ -#ifdef __DECC +/* The Compaq (ex-DEC) C 6.4 compiler and the Microsoft MSVC 9 compiler choke + on the expression 0.0 / 0.0. */ +#if defined __DECC || defined _MSC_VER static float NaNf () { @@ -32,8 +33,9 @@ NaNf () /* NaNd () returns a 'double' not-a-number. */ -/* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */ -#ifdef __DECC +/* The Compaq (ex-DEC) C 6.4 compiler and the Microsoft MSVC 9 compiler choke + on the expression 0.0 / 0.0. */ +#if defined __DECC || defined _MSC_VER static double NaNd () { @@ -48,13 +50,21 @@ NaNd () /* NaNl () returns a 'long double' not-a-number. */ /* On Irix 6.5, gcc 3.4.3 can't compute compile-time NaN, and needs the - runtime type conversion. */ + runtime type conversion. + The Microsoft MSVC 9 compiler chokes on the expression 0.0L / 0.0L. */ #ifdef __sgi static long double NaNl () { double zero = 0.0; return zero / zero; } +#elif defined _MSC_VER +static long double +NaNl () +{ + static long double zero = 0.0L; + return zero / zero; +} #else # define NaNl() (0.0L / 0.0L) #endif |