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PCD
Parameters: value is a float
Returns:
Function:
Availability:
Requires:
Examples:
Example
Files:
Also See:
A float
Computes the exponential function of the argument. This is e to the power of value
where e is the base of natural logarithms. exp(1) is 2.7182818.
Note on error handling:
If "errno.h" is included then the domain and range errors are stored in the errno
variable. The user can check the errno to see if an error has occurred and print the
error using the perror function.
Range error occur in the following case:
? exp: when the argument is too large
All devices
#INCLUDE <math.h>
// Calculate x to the power of y
x_power_y = exp( y * log(x) );
None
pow(), log(), log10()
ext_int_edge( )
Syntax:
ext_int_edge ( source , edge )
Parameters: source is a constant 0,1 or 2 for the PIC18XXX and 0 otherwise. Source is
optional and defaults to 0.
edge is a constant H_TO_L or L_TO_H representing "high to low" and "low to
high"
Returns:
Function:
Availability:
Requires:
166
undefined
Determines when the external interrupt is acted upon. The edge may be L_TO_H
or H_TO_L to specify the rising or falling edge.
Only devices with interrupts (PCM and PCH)
Constants are in the devices .h file
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