RE: [avr-libc-dev] [bug #26809] Some common math constants missing inmath.h

[Stu Bell]

> #define       M_SQRT1_2       0.70710678118654752440  /* 1/sqrt(2) */

While I have no problem with the constant, shouldn't the symbol name be
M_1_SQRT2?  That would follow the naming set up by M_1_PI and M_2_PI and
. . .

Best regards, 

Stu Bell 
DataPlay (DPHI, Inc.) 

 

> #define       M_E             2.7182818284590452354   /* e */
> #define       M_LOG2E         1.4426950408889634074   /* log 2e */
> #define       M_LOG10E        0.43429448190325182765  /* log 10e */
> #define       M_LN2           0.69314718055994530942  /* log e2 */
> #define       M_LN10          2.30258509299404568402  /* log e10 */
> #define       M_PI            3.14159265358979323846  /* pi */
> #define       M_PI_2          1.57079632679489661923  /* pi/2 */
> #define       M_PI_4          0.78539816339744830962  /* pi/4 */
> #define       M_1_PI          0.31830988618379067154  /* 1/pi */
> #define       M_2_PI          0.63661977236758134308  /* 2/pi */
> #define       M_2_SQRTPI      1.12837916709551257390  /* 2/sqrt(pi) */
> #define       M_SQRT2         1.41421356237309504880  /* sqrt(2) */