diff options
Diffstat (limited to 'src/lib/math/pow.go')
| -rw-r--r-- | src/lib/math/pow.go | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/src/lib/math/pow.go b/src/lib/math/pow.go index 2a6b19023..9e63db74b 100644 --- a/src/lib/math/pow.go +++ b/src/lib/math/pow.go @@ -4,20 +4,15 @@ package math -import math "math" +import "math" /* arg1 ^ arg2 (exponentiation) */ -export func -pow(arg1,arg2 float64) float64 -{ - var temp float64; - var l int32; - +export func Pow(arg1,arg2 float64) float64 { if arg2 < 0 { - return 1/pow(arg1, -arg2); + return 1/Pow(arg1, -arg2); } if arg1 <= 0 { if(arg1 == 0) { @@ -27,30 +22,30 @@ pow(arg1,arg2 float64) float64 return 0; } - temp = floor(arg2); + temp := Floor(arg2); if temp != arg2 { panic(sys.NaN()); } - l = int32(temp); + l := int32(temp); if l&1 != 0 { - return -pow(-arg1, arg2); + return -Pow(-arg1, arg2); } - return pow(-arg1, arg2); + return Pow(-arg1, arg2); } - temp = floor(arg2); + temp := Floor(arg2); if temp != arg2 { if arg2-temp == .5 { if temp == 0 { - return sqrt(arg1); + return Sqrt(arg1); } - return pow(arg1, temp) * sqrt(arg1); + return Pow(arg1, temp) * Sqrt(arg1); } - return exp(arg2 * log(arg1)); + return Exp(arg2 * Log(arg1)); } - l = int32(temp); + l := int32(temp); temp = 1; for { if l&1 != 0 { |