added fallback match::log2() code for platforms lacking log2

This commit is contained in:
hyung-hwan 2017-09-16 09:48:00 +00:00
parent a7bc6a6eb2
commit 36db3c8623
2 changed files with 6 additions and 6 deletions

View File

@ -239,7 +239,7 @@ typedef enum qse_bool_t qse_bool_t;
typedef __uint16_t qse_uint16_t;
#endif
#ifdef QSE_HAVE_INT16_T
#if defined(QSE_HAVE_INT16_T)
# define QSE_SIZEOF_INT16_T 2
# define QSE_SIZEOF_UINT16_T 2
# undef QSE_SIZEOF_INTMAX_T
@ -279,7 +279,7 @@ typedef enum qse_bool_t qse_bool_t;
typedef __uint32_t qse_uint32_t;
#endif
#ifdef QSE_HAVE_INT32_T
#if defined(QSE_HAVE_INT32_T)
# define QSE_SIZEOF_INT32_T 4
# define QSE_SIZEOF_UINT32_T 4
# undef QSE_SIZEOF_INTMAX_T
@ -324,7 +324,7 @@ typedef enum qse_bool_t qse_bool_t;
typedef __uint64_t qse_uint64_t;
#endif
#ifdef QSE_HAVE_INT64_T
#if defined(QSE_HAVE_INT64_T)
# define QSE_SIZEOF_INT64_T 8
# define QSE_SIZEOF_UINT64_T 8
# undef QSE_SIZEOF_INTMAX_T
@ -363,7 +363,7 @@ typedef enum qse_bool_t qse_bool_t;
typedef __uint128_t qse_uint128_t;
#endif
#ifdef QSE_HAVE_INT128_T
#if defined(QSE_HAVE_INT128_T)
# define QSE_SIZEOF_INT128_T 16
# define QSE_SIZEOF_UINT128_T 16
# undef QSE_SIZEOF_INTMAX_T

View File

@ -359,7 +359,7 @@ static qse_awk_flt_t math_atan2 (qse_awk_t* awk, qse_awk_flt_t x, qse_awk_flt_t
#endif
}
static qse_awk_flt_t math_log (qse_awk_t* awk, qse_awk_flt_t x)
static QSE_INLINE qse_awk_flt_t math_log (qse_awk_t* awk, qse_awk_flt_t x)
{
#if defined(QSE_USE_AWK_FLTMAX) && defined(HAVE_LOGQ)
return logq (x);
@ -385,7 +385,7 @@ static qse_awk_flt_t math_log2 (qse_awk_t* awk, qse_awk_flt_t x)
#elif defined(HAVE_LOG2F)
return log2f (x);
#else
#error ### no log2 function available ###
return math_log(x) / math_log(2.0);
#endif
}