Difference between revisions of "Mathematical Functions"

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Flowcode includes an additional set of mathematical functions:
 
Flowcode includes an additional set of mathematical functions:
  
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{| class="wikitable"
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float = fadd(float, float) - Add two floating point numbers together
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|-
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! scope="col"| Function Prototype
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float = fsub(float, float) - Subtract two floating point numbers
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! scope="col"| Description
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|-
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float = fmul(float, float) - Multiply two floating point numbers
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| float = fadd(float, float)
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| Add two floating point numbers together
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float = fdiv(float, float) - Divide two floating point numbers
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|-
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| float = fsub(float, float)
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float = fmod(float, float) - MOD function for floating point numbers
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| Subtract two floating point numbers
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|-
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byte = isinf(float) - Checks to see if the floating point number is infinite
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| float = fmul(float, float)
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| Multiply two floating point numbers
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byte = isnan(float) - Checks to see if the floating point is not a number
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|-
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| float = fdiv(float, float)
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byte = float_eq(float, float) - Compares two floating point numbers to see if they are equal
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| Divide two floating point numbers
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|-
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byte = float_ge(float, float) - Compares two floating point numbers to see if they are greater then or equal
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| float = fmod(float, float)
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| MOD function for floating point numbers
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byte = float_gt(float, float) - Compares two floating point numbers to see if they are greater then
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|-
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| byte = isinf(float)
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byte = float_le(float, float) - Compares two floating point numbers to see if they are less then or equal
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| Checks to see if the floating point number is infinite
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|-
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byte = float_lt(float, float) - Compares two floating point numbers to see if they are less then
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| byte = isnan(float)
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| Checks to see if the floating point is not a number
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int = random()   - Generates a random number -32768 <=> 32767
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|-
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| byte = float_eq(float, float)
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| Compares two floating point numbers to see if they are equal
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|-
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Functions (Flowcode AVR only)
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| byte = float_ge(float, float)
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| Compares two floating point numbers to see if they are greater then or equal
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Flowcode includes an additional set of mathematical functions:
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|-
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| byte = float_gt(float, float)
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| Compares two floating point numbers to see if they are greater then
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fabs( x ), floor( x ), ceil( x ) - absolute value, floor and ceiling functions
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|-
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| byte = float_le(float, float)
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fmod( x , y )                         - floating point modulus (remainder of x divided by y)
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| Compares two floating point numbers to see if they are less then or equal
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|-
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sqrt( x ), cbrt( x )                 - square and cube roots
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| byte = float_lt(float, float)
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| Compares two floating point numbers to see if they are less then
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log( x ), log10( x )                 - logarithms (base e and base 10)
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|-
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| int = random()
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exp( x ), pow( x , y )               - exponential and power functions (x to the power of y)
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| Generates a random number -32768 <=> 32767
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|-
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sin( x ), cos( x ), tan( x )       - trigonometric functions
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| fabs( x ), floor( x ), ceil( x )
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| absolute value, floor and ceiling functions
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asin( x ), acos( x ), atan( x ),      - inverse trigonometric functions             
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|-
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| fmod( x , y )
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atan2( y , x )                       - four-quadrant inverse tangent
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| floating point modulus (remainder of x divided by y)
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|-
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sinh( x ), cosh( x ), tanh( x )       - hyperbolic functions
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| sqrt( x ), cbrt( x )
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| square and cube roots
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isnan( x ), isinf( x )               - tests for not-a-number and infinity
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|-
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| log( x ), log10( x )
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| logarithms (base e and base 10)
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|-
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Functions (Flowcode ARM only)
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| exp( x ), pow( x , y )
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|exponential and power functions (x to the power of y)
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Flowcode includes an additional set of mathematical functions:
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|-
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| sin( x ), cos( x ), tan( x )
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| trigonometric functions
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fabs( x ), floor( x ), ceil( x ) - absolute value, floor and ceiling functions
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|-
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| asin( x ), acos( x ), atan( x )
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round( x )                         - decimal rounding (x rounded to the nearest integer)
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| inverse trigonometric functions             
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|-
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fround( x , y )                       - floating point rounding (x rounded to y decimal places)
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| atan2( y , x )
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| four-quadrant inverse tangent
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fmod( x , y )                         - floating point modulus (remainder of x divided by y)
+
|-
−
 
+
| sinh( x ), cosh( x ), tanh( x )
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sqrt( x ), cbrt( x )                 - square and cube roots
+
| hyperbolic functions
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+
|-
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log( x ), log10( x )                 - logarithms (base e and base 10)
+
| isnan( x ), isinf( x )
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+
| tests for not-a-number and infinity
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exp( x ), pow( x , y )               - exponential and power functions (x to the power of y)
+
|-
−
 
+
| fabs( x ), floor( x ), ceil( x )
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sin( x ), cos( x ), tan( x )       - trigonometric functions
+
| absolute value, floor and ceiling functions
−
 
+
|-
−
asin( x ), acos( x ), atan( x ),       - inverse trigonometric functions             
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| round( x )
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| decimal rounding (x rounded to the nearest integer)
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atan2( y , x )                       - four-quadrant inverse tangent
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|-
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| fround( x , y )
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sinh( x ), cosh( x ), tanh( x )       - hyperbolic functions
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| floating point rounding (x rounded to y decimal places)
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|-
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asinh( x ), acosh( x ), atanh( x )   - inverse hyperbolic functions
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| fmod( x , y )
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| floating point modulus (remainder of x divided by y)
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fact( x )                             - factorial
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|-
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| sqrt( x ), cbrt( x )
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random( )                             - random number between 0 and 32767
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| square and cube roots
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|-
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isnan( x ), isinf( x )               - tests for not-a-number and infinity
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| log( x ), log10( x )
 +
| logarithms (base e and base 10)
 +
|-
 +
| exp( x ), pow( x , y )
 +
| exponential and power functions (x to the power of y)
 +
|-
 +
| sin( x ), cos( x ), tan( x )
 +
| trigonometric functions
 +
|-
 +
| asin( x ), acos( x ), atan( x ),
 +
| inverse trigonometric functions             
 +
|-
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| atan2( y , x )
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| four-quadrant inverse tangent
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|-
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| sinh( x ), cosh( x ), tanh( x )
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| hyperbolic functions
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|-
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| asinh( x ), acosh( x ), atanh( x )
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| inverse hyperbolic functions
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|-
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| fact( x )
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| factorial
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|-
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| random( )
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| random number between 0 and 32767
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|-
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| isnan( x ), isinf( x )
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| tests for not-a-number and infinity
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|}

Revision as of 15:01, 17 May 2013

The following mathematical functions can be used in calculations. Some are limited to different chip types.


Functions (Flowcode PIC only)

Flowcode includes an additional set of mathematical functions:

Function Prototype Description
float = fadd(float, float) Add two floating point numbers together
float = fsub(float, float) Subtract two floating point numbers
float = fmul(float, float) Multiply two floating point numbers
float = fdiv(float, float) Divide two floating point numbers
float = fmod(float, float) MOD function for floating point numbers
byte = isinf(float) Checks to see if the floating point number is infinite
byte = isnan(float) Checks to see if the floating point is not a number
byte = float_eq(float, float) Compares two floating point numbers to see if they are equal
byte = float_ge(float, float) Compares two floating point numbers to see if they are greater then or equal
byte = float_gt(float, float) Compares two floating point numbers to see if they are greater then
byte = float_le(float, float) Compares two floating point numbers to see if they are less then or equal
byte = float_lt(float, float) Compares two floating point numbers to see if they are less then
int = random() Generates a random number -32768 <=> 32767
fabs( x ), floor( x ), ceil( x ) absolute value, floor and ceiling functions
fmod( x , y ) floating point modulus (remainder of x divided by y)
sqrt( x ), cbrt( x ) square and cube roots
log( x ), log10( x ) logarithms (base e and base 10)
exp( x ), pow( x , y ) exponential and power functions (x to the power of y)
sin( x ), cos( x ), tan( x ) trigonometric functions
asin( x ), acos( x ), atan( x ) inverse trigonometric functions
atan2( y , x ) four-quadrant inverse tangent
sinh( x ), cosh( x ), tanh( x ) hyperbolic functions
isnan( x ), isinf( x ) tests for not-a-number and infinity
fabs( x ), floor( x ), ceil( x ) absolute value, floor and ceiling functions
round( x ) decimal rounding (x rounded to the nearest integer)
fround( x , y ) floating point rounding (x rounded to y decimal places)
fmod( x , y ) floating point modulus (remainder of x divided by y)
sqrt( x ), cbrt( x ) square and cube roots
log( x ), log10( x ) logarithms (base e and base 10)
exp( x ), pow( x , y ) exponential and power functions (x to the power of y)
sin( x ), cos( x ), tan( x ) trigonometric functions
asin( x ), acos( x ), atan( x ), inverse trigonometric functions
atan2( y , x ) four-quadrant inverse tangent
sinh( x ), cosh( x ), tanh( x ) hyperbolic functions
asinh( x ), acosh( x ), atanh( x ) inverse hyperbolic functions
fact( x ) factorial
random( ) random number between 0 and 32767
isnan( x ), isinf( x ) tests for not-a-number and infinity
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