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Edits to Release Notes and postfix.h documentation

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This commit is contained in:
Andrew Johnson
2022-12-31 19:10:49 -06:00
parent 413f14e4ae
commit 34ad8e2347
2 changed files with 29 additions and 16 deletions
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20
documentation/RELEASE_NOTES.md
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@ -31,17 +31,23 @@ please send feedback about the feature to tech-talk.
### Tab completion for IOC shell
When built with optional libreadline support, the interactive IOC shell will perform tab
completion for command names as well as some arguments of built-in commands.
eg. the record name argument of `dbpr`, and the path name argument of `cd`.
When built with optional GNU libreadline support, the interactive IOC shell
will perform tab completion for command names as well as for some arguments
of the built-in commands. For example, the record name argument of `dbpr`,
and the path name argument of `cd`.
Externally defined commands have a limited ability to opt into completion with
the newly added `iocshArgStringRecord` and `iocshArgStringPath` argument types.
Both function identically to `iocshArgString` with an added hint about completion.
Externally defined commands have a limited ability to opt into completion by
using the new `iocshArgStringRecord` and `iocshArgStringPath` argument types.
Both function identically to `iocshArgString` but indicate how to suggest
completion strings.
### Add FMOD as CALC Expression
The floating point modulo function `FMOD(NUM,DEN)` is added.
The floating point modulo function `FMOD(NUM,DEN)` has been added to the CALC
expression engine and is available to all software using that (calc and calcout
record types, access security library and some extensions).
-----
## EPICS Release 7.0.7

25
modules/libcom/src/calc/postfix.h
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@ -203,10 +203,10 @@ extern "C" {
* unary minus.
*
* - Examples:
* - e:=a%10;
* - d:=a/10%10;
* - c:=a/100%10;
* - b:=a/1000%10;
* - e:=a%10
* - d:=a/10%10
* - c:=a/100%10
* - b:=a/1000%10
* - b*4096+c*256+d*16+e
* - sqrt(a**2 + b**2)
*
@ -221,6 +221,8 @@ extern "C" {
* - n parameter maximum value: max(a, b, ...)
* - n parameter minimum value: min(a, b, ...)
* - Square root: sqr(a) or sqrt(a)
* - Floating point modulo: fmod(num, den)
* \since The fmod() function was added in UNRELEASED
*
* -# ***Trigonometric Functions***
* Standard circular trigonometric functions, with angles expressed in radians:
@ -261,16 +263,21 @@ extern "C" {
* - Boolean not: !a
*
* -# ***Bitwise Operators***
* The bitwise operators convert their arguments to an integer (by truncation),
* perform the appropriate bitwise operation and convert back to a floating point
* value. Unlike in C though, ^ is not a bitwise exclusive-or operator.
* Most bitwise operators convert their arguments to 32-bit signed integer (by
* truncation), perform the appropriate bitwise operation, then convert back
* to a floating point value. The arithmetic right shift operator >> thus
* retains the sign bit of the left-hand argument. The logical right shift
* operator >>> is performed on an unsigned integer though, so injects zeros
* while shifting. The right-hand shift argument is masked so only the lower
* 5 bits are used. Unlike in C, ^ is not a bitwise exclusive-or operator.
*
* - Bitwise and: a & b or a and b
* - Bitwise or: a | b or a or b
* - Bitwise exclusive or: a xor b
* - Bitwise not (ones complement): ~a or not a
* - Bitwise left shift: a << b
* - Bitwise right shift: a >> b
* - Arithmetic left shift: a << b
* - Arithmetic right shift: a >> b
* - Logical right shift: a >>> b
*
* -# ***Relational Operators***
* Standard numeric comparisons between two values: