Initial commit

This commit is contained in:
Bassem Girgis
2018-12-20 17:34:07 -06:00
parent 7a2d899662
commit 81b4b9e273
34743 changed files with 5940233 additions and 0 deletions

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# see top-level Makefile.in
multimap
simple
std_vector

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TOP = ../..
SWIGEXE = $(TOP)/../swig
SWIG_LIB_DIR = $(TOP)/../$(TOP_BUILDDIR_TO_TOP_SRCDIR)Lib
SRCS = example.c
TARGET = example
INTERFACE = example.i
SWIGOPT =
check: build
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' mzscheme_run
build:
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' SRCS='$(SRCS)' \
SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' mzscheme
clean:
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' mzscheme_clean

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/* File : example.c */
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
/* Compute the greatest common divisor of positive integers */
int gcd(int x, int y) {
int g;
g = y;
while (x > 0) {
g = x;
x = y % x;
y = g;
}
return g;
}
int gcdmain(int argc, char *argv[]) {
int x,y;
if (argc != 3) {
printf("usage: gcd x y\n");
return -1;
}
x = atoi(argv[1]);
y = atoi(argv[2]);
printf("gcd(%d,%d) = %d\n", x,y,gcd(x,y));
return 0;
}
int count(char *bytes, int len, char c) {
int i;
int count = 0;
for (i = 0; i < len; i++) {
if (bytes[i] == c) count++;
}
return count;
}
void capitalize(char *str, int len) {
int i;
for (i = 0; i < len; i++) {
str[i] = (char)toupper(str[i]);
}
}
void circle(double x, double y) {
double a = x*x + y*y;
if (a > 1.0) {
printf("Bad points %g, %g\n", x,y);
} else {
printf("Good points %g, %g\n", x,y);
}
}

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/* File : example.i */
%module example
%{
extern int gcd(int x, int y);
extern int gcdmain(int argc, char *argv[]);
extern int count(char *bytes, int len, char c);
extern void capitalize (char *str, int len);
extern void circle (double cx, double cy);
extern int squareCubed (int n, int *OUTPUT);
%}
%include exception.i
%include typemaps.i
extern int gcd(int x, int y);
%typemap(in) (int argc, char *argv[]) {
int i;
Scheme_Object **elms;
if (!SCHEME_VECTORP($input)) {
scheme_wrong_type("$name","vector",$argnum,argc,argv);
}
$1 = SCHEME_VEC_SIZE($input);
elms = SCHEME_VEC_ELS($input);
if ($1 == 0) {
scheme_wrong_type("$name","vector",$argnum,argc,argv);
}
$2 = (char **) malloc(($1+1)*sizeof(char *));
for (i = 0; i < $1; i++) {
if (!SCHEME_STRINGP(elms[i])) {
free($2);
scheme_wrong_type("$name","vector",$argnum,argc,argv);
}
$2[i] = SCHEME_STR_VAL(elms[i]);
}
$2[i] = 0;
}
%typemap(freearg) (int argc, char *argv[]) {
free($2);
}
extern int gcdmain(int argc, char *argv[]);
%typemap(in) (char *bytes, int len) {
if (!SCHEME_STRINGP($input)) {
scheme_wrong_type("$name","string",1,argc,argv);
}
$1 = SCHEME_STR_VAL($input);
$2 = SCHEME_STRLEN_VAL($input);
}
extern int count(char *bytes, int len, char c);
/* This example shows how to wrap a function that mutates a string */
%typemap(in) (char *str, int len) {
if (!SCHEME_STRINGP($input)) {
scheme_wrong_type("$name","string",1,argc,argv);
}
$2 = SCHEME_STRLEN_VAL($input);
$1 = (char *) malloc($2+1);
memmove($1,SCHEME_STR_VAL($input),$2);
}
/* Return the mutated string as a new object. */
%typemap(argout) (char *str, int len) {
Scheme_Object *s;
s = scheme_make_sized_string($1,$2,1);
SWIG_APPEND_VALUE(s);
free($1);
}
extern void capitalize(char *str, int len);
/* A multi-valued constraint. Force two arguments to lie
inside the unit circle */
%typemap(check) (double cx, double cy) {
double a = $1*$1 + $2*$2;
if (a > 1.0) {
SWIG_exception(SWIG_ValueError,"$1_name and $2_name must be in unit circle");
return NULL;
}
}
extern void circle(double cx, double cy);

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;; run with mzscheme -r runme.scm
(load-extension "example.so")
; Call the GCD function
(define x 42)
(define y 105)
(define g (gcd x y))
(display "The gcd of ")
(display x)
(display " and ")
(display y)
(display " is ")
(display g)
(newline)
; Call the gcdmain() function
(gcdmain #("gcdmain" "42" "105"))
(display (count "Hello World" #\l))
(newline)
(display (capitalize "hello world"))
(newline)

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TOP = ../..
SWIGEXE = $(TOP)/../swig
SWIG_LIB_DIR = $(TOP)/../$(TOP_BUILDDIR_TO_TOP_SRCDIR)Lib
SRCS = example.c
TARGET = example
INTERFACE = example.i
SWIGOPT =
check: build
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' mzscheme_run
build:
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' SRCS='$(SRCS)' \
SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' mzscheme
clean:
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' mzscheme_clean

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Simple example from users manual.

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/* Simple example from documentation */
/* File : example.c */
#include <time.h>
double My_variable = 3.0;
/* Compute factorial of n */
int fact(int n) {
if (n <= 1) return 1;
else return n*fact(n-1);
}
/* Compute n mod m */
int my_mod(int n, int m) {
return (n % m);
}
char *get_time() {
long ltime;
time(&ltime);
return ctime(&ltime);
}

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/* File : example.i */
%module example
%{
/* Put headers and other declarations here */
%}
%include typemaps.i
%rename(mod) my_mod;
%inline %{
extern double My_variable;
extern int fact(int);
extern int my_mod(int n, int m);
extern char *get_time();
%}

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;; run with mzscheme -r runme.scm
(load-extension "example.so")
(display (get-time))
(printf "My-variable = ~a~n" (my-variable))
(let loop ((i 0))
(when (< i 14) (begin (display i)
(display " factorial is ")
(display (fact i))
(newline)
(loop (+ i 1)))))
(let loop ((i 1))
(when (< i 250)
(begin
(let loopi ((j 1))
(when (< j 250) (begin (my-variable (+ (my-variable) (mod i j)))
(loopi (+ j 1)))))
(loop (+ i 1)))))
(printf "My-variable = ~a~n" (my-variable))

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TOP = ../..
SWIGEXE = $(TOP)/../swig
SWIG_LIB_DIR = $(TOP)/../$(TOP_BUILDDIR_TO_TOP_SRCDIR)Lib
SRCS =
TARGET = example
INTERFACE = example.i
SWIGOPT =
GPP = `which g++`
MZC = test -n "/usr/bin/mzc" && /usr/bin/mzc
check: build
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' mzscheme_run
build:
$(SWIGEXE) -mzscheme -c++ $(SWIGOPT) $(INTERFACE)
$(MZC) --compiler $(GPP) ++ccf "-I." --cc example_wrap.cxx
$(MZC) --linker $(GPP) --ld $(TARGET).so example_wrap.o
clean:
$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' mzscheme_clean

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/* File : example.h */
#include <vector>
#include <algorithm>
#include <functional>
#include <numeric>
double average(std::vector<int> v) {
return std::accumulate(v.begin(),v.end(),0.0)/v.size();
}
std::vector<double> half(const std::vector<double>& v) {
std::vector<double> w(v);
for (unsigned int i=0; i<w.size(); i++)
w[i] /= 2.0;
return w;
}
void halve_in_place(std::vector<double>& v) {
// would you believe this is the same as the above?
std::transform(v.begin(),v.end(),v.begin(),
std::bind2nd(std::divides<double>(),2.0));
}

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/* File : example.i */
%module example
%{
#include "example.h"
%}
%include stl.i
/* instantiate the required template specializations */
namespace std {
%template(IntVector) vector<int>;
%template(DoubleVector) vector<double>;
}
/* Let's just grab the original header file here */
%include "example.h"

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;; run with mzscheme -r runme.scm
(load-extension "example.so")
; repeatedly invoke a procedure with v and an index as arguments
(define (with-vector v proc size-proc)
(let ((size (size-proc v)))
(define (with-vector-item v i)
(if (< i size)
(begin
(proc v i)
(with-vector-item v (+ i 1)))))
(with-vector-item v 0)))
(define (with-intvector v proc)
(with-vector v proc intvector-length))
(define (with-doublevector v proc)
(with-vector v proc doublevector-length))
(define (print-doublevector v)
(with-doublevector v (lambda (v i) (display (doublevector-ref v i))
(display " ")))
(newline))
; Call average with a Scheme list...
(display (average '(1 2 3 4)))
(newline)
; ... or a wrapped std::vector<int>
(define v (new-intvector 4))
(with-intvector v (lambda (v i) (intvector-set! v i (+ i 1))))
(display (average v))
(newline)
(delete-intvector v)
; half will return a Scheme vector.
; Call it with a Scheme vector...
(display (half #(1 1.5 2 2.5 3)))
(newline)
; ... or a wrapped std::vector<double>
(define v (new-doublevector))
(map (lambda (i) (doublevector-push! v i)) '(1 2 3 4))
(display (half v))
(newline)
; now halve a wrapped std::vector<double> in place
(halve-in-place v)
(print-doublevector v)
(delete-doublevector v)