diff --git a/reference/math/constants.xml b/reference/math/constants.xml new file mode 100644 index 0000000000..3303f9b01d --- /dev/null +++ b/reference/math/constants.xml @@ -0,0 +1,131 @@ + + +
+ &reftitle.constants; + &extension.constants.core; + + + Math constants + + + + Constant + Value + Description + + + + + M_PI + 3.14159265358979323846 + Pi + + + M_E + 2.7182818284590452354 + e + + + M_LOG2E + 1.4426950408889634074 + log_2 e + + + M_LOG10E + 0.43429448190325182765 + log_10 e + + + M_LN2 + 0.69314718055994530942 + log_e 2 + + + M_LN10 + 2.30258509299404568402 + log_e 10 + + + M_PI_2 + 1.57079632679489661923 + pi/2 + + + M_PI_4 + 0.78539816339744830962 + pi/4 + + + M_1_PI + 0.31830988618379067154 + 1/pi + + + M_2_PI + 0.63661977236758134308 + 2/pi + + + M_SQRTPI + 1.77245385090551602729 + sqrt(pi) [4.0.2] + + + M_2_SQRTPI + 1.12837916709551257390 + 2/sqrt(pi) + + + M_SQRT2 + 1.41421356237309504880 + sqrt(2) + + + M_SQRT3 + 1.73205080756887729352 + sqrt(3) [4.0.2] + + + M_SQRT1_2 + 0.70710678118654752440 + 1/sqrt(2) + + + M_LNPI + 1.14472988584940017414 + log_e(pi) [4.0.2] + + + M_EULER + 0.57721566490153286061 + Euler constant [4.0.2] + + + +
+ Only M_PI is available in PHP versions up to and including PHP 4.0.0. + All other constants are available starting with PHP 4.0.0. Constants + labeled [4.0.2] were added in PHP 4.0.2. + +
+ + diff --git a/reference/math/reference.xml b/reference/math/reference.xml index 36274b4e9e..d87345e0fc 100644 --- a/reference/math/reference.xml +++ b/reference/math/reference.xml @@ -1,5 +1,5 @@ - + Mathematical Functions Math @@ -9,121 +9,35 @@ &reftitle.intro; These math functions will only handle values within the range of - the integer and float types on your computer. - (this corresponds currently to the C types long resp. double) + the integer and float types on your computer + (this corresponds currently to the C types long resp. double). If you need to handle bigger numbers, take a look at the arbitrary precision math functions. -
- &reftitle.constants; - - The following values are defined as constants in PHP by the math - extension: - - Math constants - - - - Constant - Value - Description - - - - - M_PI - 3.14159265358979323846 - Pi - - - M_E - 2.7182818284590452354 - e - - - M_LOG2E - 1.4426950408889634074 - log_2 e - - - M_LOG10E - 0.43429448190325182765 - log_10 e - - - M_LN2 - 0.69314718055994530942 - log_e 2 - - - M_LN10 - 2.30258509299404568402 - log_e 10 - - - M_PI_2 - 1.57079632679489661923 - pi/2 - - - M_PI_4 - 0.78539816339744830962 - pi/4 - - - M_1_PI - 0.31830988618379067154 - 1/pi - - - M_2_PI - 0.63661977236758134308 - 2/pi - - - M_SQRTPI - 1.77245385090551602729 - sqrt(pi) [4.0.2] - - - M_2_SQRTPI - 1.12837916709551257390 - 2/sqrt(pi) - - - M_SQRT2 - 1.41421356237309504880 - sqrt(2) - - - M_SQRT3 - 1.73205080756887729352 - sqrt(3) [4.0.2] - - - M_SQRT1_2 - 0.70710678118654752440 - 1/sqrt(2) - - - M_LNPI - 1.14472988584940017414 - log_e(pi) [4.0.2] - - - M_EULER - 0.57721566490153286061 - Euler constant [4.0.2] - - - -
- Only M_PI is available in PHP versions up to and including PHP 4.0.0. - All other constants are available starting with PHP 4.0.0. Constants - labeled [4.0.2] were added in PHP 4.0.2. - -
+ +
+ &reftitle.required; + &no.requirement; +
+ +
+ &reftitle.install; + &no.install; +
+ +
+ &reftitle.runtime; + &no.config; +
+ +
+ &reftitle.resources; + &no.resource; +
+ + &reference.math.constants; + &reference.math.functions;