diff options
Diffstat (limited to 'include/math.h')
| -rw-r--r-- | include/math.h | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/include/math.h b/include/math.h index 8a2e86c2f..8c11b5a76 100644 --- a/include/math.h +++ b/include/math.h @@ -32,8 +32,8 @@ __BEGIN_DECLS On all IEEE754 machines, this is +Infinity. */ #include <bits/huge_val.h> -/* Get machine-dependent NAN value (returned for some domain errors). */ #ifdef __USE_ISOC99 +/* Get machine-dependent NAN value (returned for some domain errors). */ # include <bits/nan.h> #endif /* Get general and ISO C99 specific information. */ @@ -115,7 +115,7 @@ extern int signgam; /* ISO C99 defines some generic macros which work on any data type. */ -#if __USE_ISOC99 +#ifdef __USE_ISOC99 /* Get the architecture specific values describing the floating-point evaluation. The following symbols will get defined: @@ -323,7 +323,7 @@ extern int matherr (struct exception *__exc); GNU extension. Provide enough digits for the 128-bit IEEE quad. */ #ifdef __USE_GNU # define M_El 2.7182818284590452353602874713526625L /* e */ -# define M_LOG2El 1.4426950408889634073599246810018922L /* log_2 e */ +# define M_LOG2El 1.4426950408889634073599246810018921L /* 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 */ @@ -351,12 +351,12 @@ extern int matherr (struct exception *__exc); #endif -#if __USE_ISOC99 -/* ISO C99 defines some macros to compare number while taking care - for unordered numbers. Since many FPUs provide special - instructions to support these operations and these tests are - defined in <bits/mathinline.h>, we define the generic macros at - this late point and only if they are not defined yet. */ +#ifdef __USE_ISOC99 +/* ISO C99 defines some macros to compare number while taking care for + unordered numbers. Many FPUs provide special instructions to support + these operations and these tests are defined in <bits/mathinline.h>, + we define the generic macros at this late point and only if they are + not defined yet. */ /* Return nonzero value if X is greater than Y. */ # ifndef isgreater |