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--- wiki:webgis_calc_operators_functions [2018/09/16 00:22] – andi
+++ wiki:webgis_calc_operators_functions [2018/09/16 00:34] (current) – andi
@@ Line 5: / Line 5: @@
 ====== Mathematical Operators ======
-^Operator^Description^Example^Value| |
+^Operator^Description^Example^Value|
-|+|addition|2 + 3|5| |
+|+|addition|2 + 3|5|
-|-|subtraction|2 - 3|-1| |
+|-|subtraction|2 - 3|-1|
-|*|multiplication|2 * 3|6| |
+|*|multiplication|2 * 3|6|
-|/|division (integer division - truncates the result) - 0 as argument not allowed|5 / 2|2| |
+|/|division (integer division - truncates the result) - 0 as argument not allowed|5 / 2|2|
-|%|modulo (remainder of division) - 0 as argument not allowed|5 % 2|1| |
+|%|modulo (remainder of division) - 0 as argument not allowed|5 % 2|1|
-|/\|exponentiation (associates left to right)|/\ 2|/\ 3|8|
+|/\|exponentiation (associates left to right)|2 /\ 3|8|
-|/|square root - negative argument not allowed|/ 25|5| |
+|I/|square root - negative argument not allowed|/ 25|5|
-|/|cube root - negative argument not allowed|/ 27|3| |
+|II/|cube root - negative argument not allowed|/ 27|3|
-|@|absolute value|@ -2.42|2.42| |
+|@|absolute value|@ -2.42|2.42|
 ====== Mathematical Functions ======
-^Function^Description^Example^Result| |
+^Function^Description^Example^Result|
-|abs(x)|absolute value, same as operator @|abs(-2.42)|2.42| |
+|abs(x)|absolute value, same as operator @|abs(-2.42)|2.42|
-|cbrt(x)|cube root|cbrt(27.0)|3| |
+|cbrt(x)|cube root|cbrt(27.0)|3|
-|ceil(x)|nearest integer greater than or equal to argument|ceil(-42.8)|-42| |
+|ceil(x)|nearest integer greater than or equal to argument|ceil(-42.8)|-42|
-|degrees(x)|radians to degrees|degrees(0.5)|28.64…| |
+|degrees(x)|radians to degrees|degrees(0.5)|28.64…|
-|div(y, x)|integer quotient of y/x|div(9, 4)|2| |
+|div(y, x)|integer quotient of y/x|div(9, 4)|2|
-|exp(x)|exponential|exp(1.0)|2.718…| |
+|exp(x)|exponential|exp(1.0)|2.718…|
-|floor(x)|nearest integer less than or equal to argument|floor(-42.8)|-43| |
+|floor(x)|nearest integer less than or equal to argument|floor(-42.8)|-43|
-|ln(x)|natural logarithm - 0 as argument not allowed|ln(2.0)|0.693…| |
+|ln(x)|natural logarithm - 0 as argument not allowed|ln(2.0)|0.693…|
-|log(x)|base 10 logarithm - 0 as argument not allowed|log(100.0)|2| |
+|log(x)|base 10 logarithm - 0 as argument not allowed|log(100.0)|2|
-|log(b, x)|logarithm to base b|log(2.0, 64.0)|6| |
+|log(b, x)|logarithm to base b|log(2.0, 64.0)|6|
-|mod(x, y)|remainder of y/x|mod(9, 4)|1| |
+|mod(x, y)|remainder of y/x|mod(9, 4)|1|
-|pi()|pi constant|pi()|3.141…| |
+|pi()|pi constant|pi()|3.141…|
-|power(x, y)|x raised to the power of y|power(9, 2)|729| |
+|power(x, y)|x raised to the power of y|power(9, 2)|729|
-|radians(x)|degrees to radians|radians(45.0)|0.785…| |
+|radians(x)|degrees to radians|radians(45.0)|0.785…|
-|round(x)|round to nearest integer|round(42.4)|42| |
+|round(x)|round to nearest integer|round(42.4)|42|
-|round(x, y)|round to y decimal places|round(32.36, 1)|32.4| |
+|round(x, y)|round to y decimal places|round(32.36, 1)|32.4|
-|sign(x)|sign of the argument (-1, 0, +1)|sign(-4.1)|-1| |
+|sign(x)|sign of the argument (-1, 0, +1)|sign(-4.1)|-1|
-|sqrt(x)|square root, same as operator|/ - negative argument not allowed|sqrt(2.0)|1.414…|
+|sqrt(x)|square root, same as operator I\ - negative argument not allowed|sqrt(2.0)|1.414…|
-|trunc(x)|truncate toward zero|trunc(42.8)|42| |
+|trunc(x)|truncate toward zero|trunc(42.8)|42|
-|trunc(x, y)|truncate to y decimal places|trunc(42.43, 1)|42.4| |
+|trunc(x, y)|truncate to y decimal places|trunc(42.43, 1)|42.4|
 ====== Random Functions ======