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authorUlrich Drepper <drepper@redhat.com>1998-03-23 09:37:02 +0000
committerUlrich Drepper <drepper@redhat.com>1998-03-23 09:37:02 +0000
commit9a24f9061c4e5e567350734bfb6a2aaa4e2106dc (patch)
tree19e322072c6e7ee983f3c039b85b8cde4036fb78 /math
parent6345b9ac8191eb630005218d356ee0f9bdd84ce9 (diff)
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(M_*l): Extend long double constants to be usable for 128 bit floats.
Diffstat (limited to 'math')
-rw-r--r--math/math.h28
1 files changed, 14 insertions, 14 deletions
diff --git a/math/math.h b/math/math.h
index 6c2ef27..274647e 100644
--- a/math/math.h
+++ b/math/math.h
@@ -281,21 +281,21 @@ extern int matherr __P ((struct exception *__exc));
/* The above constants are not adequate for computation using `long double's.
Therefore we provide as an extension constants with similar names as a
- GNU extension. */
+ GNU extension. Provide enough digits for the 128-bit IEEE quad. */
#ifdef __USE_GNU
-# define M_El 2.7182818284590452354L /* e */
-# define M_LOG2El 1.4426950408889634074L /* log_2 e */
-# define M_LOG10El 0.43429448190325182765L /* log_10 e */
-# define M_LN2l 0.69314718055994530942L /* log_e 2 */
-# define M_LN10l 2.30258509299404568402L /* log_e 10 */
-# define M_PIl 3.14159265358979323846L /* pi */
-# define M_PI_2l 1.57079632679489661923L /* pi/2 */
-# define M_PI_4l 0.78539816339744830962L /* pi/4 */
-# define M_1_PIl 0.31830988618379067154L /* 1/pi */
-# define M_2_PIl 0.63661977236758134308L /* 2/pi */
-# define M_2_SQRTPIl 1.12837916709551257390L /* 2/sqrt(pi) */
-# define M_SQRT2l 1.41421356237309504880L /* sqrt(2) */
-# define M_SQRT1_2l 0.70710678118654752440L /* 1/sqrt(2) */
+# define M_El 2.7182818284590452353602874713526625L /* e */
+# define M_LOG2El 1.4426950408889634073599246810018922L /* log_2 e */
+# define M_LOG10El 0.4342944819032518276511289189166051L /* log_10 e */
+# define M_LN2l 0.6931471805599453094172321214581766L /* log_e 2 */
+# define M_LN10l 2.3025850929940456840179914546843642L /* log_e 10 */
+# define M_PIl 3.1415926535897932384626433832795029L /* pi */
+# define M_PI_2l 1.5707963267948966192313216916397514L /* pi/2 */
+# define M_PI_4l 0.7853981633974483096156608458198757L /* pi/4 */
+# define M_1_PIl 0.3183098861837906715377675267450287L /* 1/pi */
+# define M_2_PIl 0.6366197723675813430755350534900574L /* 2/pi */
+# define M_2_SQRTPIl 1.1283791670955125738961589031215452L /* 2/sqrt(pi) */
+# define M_SQRT2l 1.4142135623730950488016887242096981L /* sqrt(2) */
+# define M_SQRT1_2l 0.7071067811865475244008443621048490L /* 1/sqrt(2) */
#endif