Major refactoring. Major problems!

On the right path but it doesn't work yet.
This commit is contained in:
Simon Brooke 2018-12-26 20:30:14 +00:00
parent ae8ba67ed7
commit 9937f344dc
20 changed files with 695 additions and 506 deletions

View file

@ -8,11 +8,11 @@
*/
#include <ctype.h>
#include <math.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "consspaceobject.h"
#include "conspage.h"
@ -28,7 +28,7 @@
long double to_long_double( struct cons_pointer arg );
int64_t to_long_int( struct cons_pointer arg );
struct cons_pointer add_2( struct stack_frame *frame, struct cons_pointer arg1,
struct cons_pointer add_2( struct stack_frame *frame, struct cons_pointer frame_pointer, struct cons_pointer arg1,
struct cons_pointer arg2 );
@ -119,7 +119,7 @@ int64_t to_long_int( struct cons_pointer arg ) {
* return a cons_pointer indicating a number which is the sum of
* the numbers indicated by `arg1` and `arg2`.
*/
struct cons_pointer add_2( struct stack_frame *frame, struct cons_pointer arg1,
struct cons_pointer add_2( struct stack_frame *frame, struct cons_pointer frame_pointer, struct cons_pointer arg1,
struct cons_pointer arg2 ) {
struct cons_pointer result;
struct cons_space_object cell1 = pointer2cell( arg1 );
@ -153,7 +153,7 @@ struct cons_pointer add_2( struct stack_frame *frame, struct cons_pointer arg1,
cell2.payload.integer.value );
break;
case RATIOTV:
result = add_integer_ratio( frame, arg1, arg2 );
result = add_integer_ratio( frame_pointer, arg1, arg2 );
break;
case REALTV:
result =
@ -161,9 +161,9 @@ struct cons_pointer add_2( struct stack_frame *frame, struct cons_pointer arg1,
to_long_double( arg2 ) );
break;
default:
result = lisp_throw( c_string_to_lisp_string
result = throw_exception( c_string_to_lisp_string
( "Cannot add: not a number" ),
frame );
frame_pointer );
break;
}
break;
@ -173,10 +173,10 @@ struct cons_pointer add_2( struct stack_frame *frame, struct cons_pointer arg1,
result = arg2;
break;
case INTEGERTV:
result = add_integer_ratio( frame, arg2, arg1 );
result = add_integer_ratio( frame_pointer, arg2, arg1 );
break;
case RATIOTV:
result = add_ratio_ratio( frame, arg1, arg2 );
result = add_ratio_ratio( frame_pointer, arg1, arg2 );
break;
case REALTV:
result =
@ -184,9 +184,9 @@ struct cons_pointer add_2( struct stack_frame *frame, struct cons_pointer arg1,
to_long_double( arg2 ) );
break;
default:
result = lisp_throw( c_string_to_lisp_string
result = throw_exception( c_string_to_lisp_string
( "Cannot add: not a number" ),
frame );
frame_pointer );
break;
}
break;
@ -197,8 +197,8 @@ struct cons_pointer add_2( struct stack_frame *frame, struct cons_pointer arg1,
break;
default:
result = exceptionp( arg2 ) ? arg2 :
lisp_throw( c_string_to_lisp_string
( "Cannot add: not a number" ), frame );
throw_exception( c_string_to_lisp_string
( "Cannot add: not a number" ), frame_pointer );
}
}
@ -218,7 +218,7 @@ struct cons_pointer add_2( struct stack_frame *frame, struct cons_pointer arg1,
* @return a pointer to an integer or real.
*/
struct cons_pointer lisp_add( struct stack_frame
*frame, struct
*frame, struct cons_pointer frame_pointer, struct
cons_pointer env ) {
struct cons_pointer result = make_integer( 0 );
struct cons_pointer tmp;
@ -227,7 +227,7 @@ struct cons_pointer lisp_add( struct stack_frame
i < args_in_frame &&
!nilp( frame->arg[i] ) && !exceptionp( result ); i++ ) {
tmp = result;
result = add_2( frame, result, frame->arg[i] );
result = add_2( frame, frame_pointer, result, frame->arg[i] );
if ( !eq( tmp, result ) ) {
dec_ref( tmp );
}
@ -236,7 +236,7 @@ struct cons_pointer lisp_add( struct stack_frame
struct cons_pointer more = frame->more;
while ( consp( more ) && !exceptionp( result ) ) {
tmp = result;
result = add_2( frame, result, c_car( more ) );
result = add_2( frame, frame_pointer, result, c_car( more ) );
if ( !eq( tmp, result ) ) {
dec_ref( tmp );
}
@ -252,7 +252,7 @@ struct cons_pointer lisp_add( struct stack_frame
* return a cons_pointer indicating a number which is the product of
* the numbers indicated by `arg1` and `arg2`.
*/
struct cons_pointer multiply_2( struct stack_frame *frame,
struct cons_pointer multiply_2( struct stack_frame *frame, struct cons_pointer frame_pointer,
struct cons_pointer arg1,
struct cons_pointer arg2 ) {
struct cons_pointer result;
@ -286,7 +286,7 @@ struct cons_pointer multiply_2( struct stack_frame *frame,
cell2.payload.integer.value );
break;
case RATIOTV:
result = multiply_integer_ratio( frame, arg1, arg2 );
result = multiply_integer_ratio( frame_pointer, arg1, arg2 );
break;
case REALTV:
result =
@ -294,9 +294,9 @@ struct cons_pointer multiply_2( struct stack_frame *frame,
to_long_double( arg2 ) );
break;
default:
result = lisp_throw( c_string_to_lisp_string
result = throw_exception( c_string_to_lisp_string
( "Cannot multiply: not a number" ),
frame );
frame_pointer );
break;
}
break;
@ -306,10 +306,10 @@ struct cons_pointer multiply_2( struct stack_frame *frame,
result = arg2;
break;
case INTEGERTV:
result = multiply_integer_ratio( frame, arg2, arg1 );
result = multiply_integer_ratio( frame_pointer, arg2, arg1 );
break;
case RATIOTV:
result = multiply_ratio_ratio( frame, arg1, arg2 );
result = multiply_ratio_ratio( frame_pointer, arg1, arg2 );
break;
case REALTV:
result =
@ -317,9 +317,9 @@ struct cons_pointer multiply_2( struct stack_frame *frame,
to_long_double( arg2 ) );
break;
default:
result = lisp_throw( c_string_to_lisp_string
result = throw_exception( c_string_to_lisp_string
( "Cannot multiply: not a number" ),
frame );
frame_pointer );
}
break;
case REALTV:
@ -328,9 +328,9 @@ struct cons_pointer multiply_2( struct stack_frame *frame,
to_long_double( arg2 ) );
break;
default:
result = lisp_throw( c_string_to_lisp_string
result = throw_exception( c_string_to_lisp_string
( "Cannot multiply: not a number" ),
frame );
frame_pointer );
break;
}
}
@ -353,7 +353,7 @@ struct cons_pointer multiply_2( struct stack_frame *frame,
*/
struct cons_pointer lisp_multiply( struct
stack_frame
*frame, struct
*frame, struct cons_pointer frame_pointer, struct
cons_pointer env ) {
struct cons_pointer result = make_integer( 1 );
struct cons_pointer tmp;
@ -361,7 +361,7 @@ struct cons_pointer lisp_multiply( struct
for ( int i = 0; i < args_in_frame && !nilp( frame->arg[i] )
&& !exceptionp( result ); i++ ) {
tmp = result;
result = multiply_2( frame, result, frame->arg[i] );
result = multiply_2( frame, frame_pointer, result, frame->arg[i] );
if ( !eq( tmp, result ) ) {
dec_ref( tmp );
@ -372,7 +372,7 @@ struct cons_pointer lisp_multiply( struct
while ( consp( more )
&& !exceptionp( result ) ) {
tmp = result;
result = multiply_2( frame, result, c_car( more ) );
result = multiply_2( frame, frame_pointer, result, c_car( more ) );
if ( !eq( tmp, result ) ) {
dec_ref( tmp );
@ -388,7 +388,7 @@ struct cons_pointer lisp_multiply( struct
* return a cons_pointer indicating a number which is the
* inverse of the number indicated by `arg`.
*/
struct cons_pointer inverse( struct stack_frame *frame,
struct cons_pointer inverse( struct cons_pointer frame,
struct cons_pointer arg ) {
struct cons_pointer result = NIL;
struct cons_space_object cell = pointer2cell( arg );
@ -430,7 +430,7 @@ struct cons_pointer inverse( struct stack_frame *frame,
*/
struct cons_pointer lisp_subtract( struct
stack_frame
*frame, struct
*frame, struct cons_pointer frame_pointer, struct
cons_pointer env ) {
struct cons_pointer result = NIL;
struct cons_space_object cell0 = pointer2cell( frame->arg[0] );
@ -451,10 +451,11 @@ struct cons_pointer lisp_subtract( struct
break;
case RATIOTV:{
struct cons_pointer tmp =
make_ratio( frame, frame->arg[0],
make_ratio( frame_pointer, frame->arg[0],
make_integer( 1 ) );
inc_ref(tmp);
result =
subtract_ratio_ratio( frame, tmp, frame->arg[1] );
subtract_ratio_ratio( frame_pointer, tmp, frame->arg[1] );
dec_ref( tmp );
}
break;
@ -464,9 +465,9 @@ struct cons_pointer lisp_subtract( struct
to_long_double( frame->arg[1] ) );
break;
default:
result = lisp_throw( c_string_to_lisp_string
( "Cannot multiply: not a number" ),
frame );
result = throw_exception( c_string_to_lisp_string
( "Cannot subtract: not a number" ),
frame_pointer );
break;
}
break;
@ -477,16 +478,17 @@ struct cons_pointer lisp_subtract( struct
break;
case INTEGERTV:{
struct cons_pointer tmp =
make_ratio( frame, frame->arg[1],
make_ratio( frame_pointer, frame->arg[1],
make_integer( 1 ) );
inc_ref(tmp);
result =
subtract_ratio_ratio( frame, frame->arg[0], tmp );
subtract_ratio_ratio( frame_pointer, frame->arg[0], tmp );
dec_ref( tmp );
}
break;
case RATIOTV:
result =
subtract_ratio_ratio( frame, frame->arg[0],
subtract_ratio_ratio( frame_pointer, frame->arg[0],
frame->arg[1] );
break;
case REALTV:
@ -495,9 +497,9 @@ struct cons_pointer lisp_subtract( struct
to_long_double( frame->arg[1] ) );
break;
default:
result = lisp_throw( c_string_to_lisp_string
( "Cannot multiply: not a number" ),
frame );
result = throw_exception( c_string_to_lisp_string
( "Cannot subtract: not a number" ),
frame_pointer );
break;
}
break;
@ -507,8 +509,8 @@ struct cons_pointer lisp_subtract( struct
to_long_double( frame->arg[1] ) );
break;
default:
result = lisp_throw( c_string_to_lisp_string
( "Cannot multiply: not a number" ), frame );
result = throw_exception( c_string_to_lisp_string
( "Cannot subtract: not a number" ), frame_pointer );
break;
}
@ -525,7 +527,7 @@ struct cons_pointer lisp_subtract( struct
*/
struct cons_pointer lisp_divide( struct
stack_frame
*frame, struct
*frame, struct cons_pointer frame_pointer, struct
cons_pointer env ) {
struct cons_pointer result = NIL;
struct cons_space_object arg0 = pointer2cell( frame->arg[0] );
@ -542,8 +544,10 @@ struct cons_pointer lisp_divide( struct
break;
case INTEGERTV:{
struct cons_pointer unsimplified =
make_ratio( frame, frame->arg[0], frame->arg[1] );
result = simplify_ratio( frame, unsimplified );
make_ratio( frame_pointer, frame->arg[0], frame->arg[1] );
/* OK, if result may be unsimplified, we should not inc_ref it
* - but if not, we should dec_ref it. */
result = simplify_ratio( frame_pointer, unsimplified );
if ( !eq( unsimplified, result ) ) {
dec_ref( unsimplified );
}
@ -552,9 +556,9 @@ struct cons_pointer lisp_divide( struct
case RATIOTV:{
struct cons_pointer one = make_integer( 1 );
struct cons_pointer ratio =
make_ratio( frame, frame->arg[0], one );
make_ratio( frame_pointer, frame->arg[0], one );
result =
divide_ratio_ratio( frame, ratio, frame->arg[1] );
divide_ratio_ratio( frame_pointer, ratio, frame->arg[1] );
dec_ref( ratio );
}
break;
@ -564,9 +568,9 @@ struct cons_pointer lisp_divide( struct
to_long_double( frame->arg[1] ) );
break;
default:
result = lisp_throw( c_string_to_lisp_string
result = throw_exception( c_string_to_lisp_string
( "Cannot divide: not a number" ),
frame );
frame_pointer );
break;
}
break;
@ -577,16 +581,19 @@ struct cons_pointer lisp_divide( struct
break;
case INTEGERTV:{
struct cons_pointer one = make_integer( 1 );
inc_ref( one);
struct cons_pointer ratio =
make_ratio( frame, frame->arg[1], one );
make_ratio( frame_pointer, frame->arg[1], one );
inc_ref(ratio);
result =
divide_ratio_ratio( frame, frame->arg[0], ratio );
divide_ratio_ratio( frame_pointer, frame->arg[0], ratio );
dec_ref( ratio );
dec_ref(one);
}
break;
case RATIOTV:
result =
divide_ratio_ratio( frame, frame->arg[0],
divide_ratio_ratio( frame_pointer, frame->arg[0],
frame->arg[1] );
break;
case REALTV:
@ -595,9 +602,9 @@ struct cons_pointer lisp_divide( struct
to_long_double( frame->arg[1] ) );
break;
default:
result = lisp_throw( c_string_to_lisp_string
result = throw_exception( c_string_to_lisp_string
( "Cannot divide: not a number" ),
frame );
frame_pointer );
break;
}
break;
@ -607,8 +614,8 @@ struct cons_pointer lisp_divide( struct
to_long_double( frame->arg[1] ) );
break;
default:
result = lisp_throw( c_string_to_lisp_string
( "Cannot divide: not a number" ), frame );
result = throw_exception( c_string_to_lisp_string
( "Cannot divide: not a number" ), frame_pointer );
break;
}

View file

@ -23,7 +23,7 @@ extern "C" {
* @return a pointer to an integer or real.
*/
struct cons_pointer
lisp_add( struct stack_frame *frame, struct cons_pointer env );
lisp_add( struct stack_frame *frame, struct cons_pointer frame_pointer, struct cons_pointer env );
/**
* Multiply an indefinite number of numbers together
@ -32,7 +32,7 @@ extern "C" {
* @return a pointer to an integer or real.
*/
struct cons_pointer
lisp_multiply( struct stack_frame *frame, struct cons_pointer env );
lisp_multiply( struct stack_frame *frame, struct cons_pointer frame_pointer, struct cons_pointer env );
/**
* Subtract one number from another.
@ -41,7 +41,7 @@ extern "C" {
* @return a pointer to an integer or real.
*/
struct cons_pointer
lisp_subtract( struct stack_frame *frame, struct cons_pointer env );
lisp_subtract( struct stack_frame *frame, struct cons_pointer frame_pointer, struct cons_pointer env );
/**
* Divide one number by another.
@ -50,7 +50,7 @@ extern "C" {
* @return a pointer to an integer or real.
*/
struct cons_pointer
lisp_divide( struct stack_frame *frame, struct cons_pointer env );
lisp_divide( struct stack_frame *frame, struct cons_pointer frame_pointer, struct cons_pointer env );
#ifdef __cplusplus
}

View file

@ -13,6 +13,7 @@
#include "conspage.h"
#include "consspaceobject.h"
#include "dump.h"
#include "equal.h"
#include "integer.h"
#include "lispops.h"
@ -24,7 +25,7 @@
* declared in peano.c, can't include piano.h here because
* circularity. TODO: refactor.
*/
struct cons_pointer inverse( struct stack_frame *frame,
struct cons_pointer inverse( struct cons_pointer frame_pointer,
struct cons_pointer arg );
/**
@ -54,7 +55,7 @@ int64_t least_common_multiple( int64_t m, int64_t n ) {
* be in a simplified representation. If `arg` isn't a ratio,
* will throw exception.
*/
struct cons_pointer simplify_ratio( struct stack_frame *frame,
struct cons_pointer simplify_ratio( struct cons_pointer frame_pointer,
struct cons_pointer arg ) {
struct cons_pointer result = arg;
@ -70,15 +71,15 @@ struct cons_pointer simplify_ratio( struct stack_frame *frame,
result = make_integer( ddrv / gcd );
} else {
result =
make_ratio( frame, make_integer( ddrv / gcd ),
make_ratio( frame_pointer, make_integer( ddrv / gcd ),
make_integer( drrv / gcd ) );
}
}
} else {
result =
lisp_throw( make_cons( c_string_to_lisp_string
throw_exception( make_cons( c_string_to_lisp_string
( "Shouldn't happen: bad arg to simplify_ratio" ),
arg ), frame );
arg ), frame_pointer );
}
return result;
@ -91,7 +92,7 @@ struct cons_pointer simplify_ratio( struct stack_frame *frame,
* the ratios indicated by `arg1` and `arg2`. If you pass non-ratios,
* this is going to break horribly.
*/
struct cons_pointer add_ratio_ratio( struct stack_frame *frame,
struct cons_pointer add_ratio_ratio( struct cons_pointer frame_pointer,
struct cons_pointer arg1,
struct cons_pointer arg2 ) {
struct cons_pointer r, result;
@ -123,7 +124,7 @@ struct cons_pointer add_ratio_ratio( struct stack_frame *frame,
#endif
if ( dr1v == dr2v ) {
r = make_ratio( frame,
r = make_ratio( frame_pointer,
make_integer( dd1v + dd2v ),
cell1.payload.ratio.divisor );
} else {
@ -131,10 +132,10 @@ struct cons_pointer add_ratio_ratio( struct stack_frame *frame,
dr1vm = make_integer( dr1v * m1 ),
dd2vm = make_integer( dd2v * m2 ),
dr2vm = make_integer( dr2v * m2 ),
r1 = make_ratio( frame, dd1vm, dr1vm ),
r2 = make_ratio( frame, dd2vm, dr2vm );
r1 = make_ratio( frame_pointer, dd1vm, dr1vm ),
r2 = make_ratio( frame_pointer, dd2vm, dr2vm );
r = add_ratio_ratio( frame, r1, r2 );
r = add_ratio_ratio( frame_pointer, r1, r2 );
/* because the references on dd1vm, dr1vm, dd2vm and dr2vm were
* never incremented except when making r1 and r2, decrementing
@ -143,17 +144,17 @@ struct cons_pointer add_ratio_ratio( struct stack_frame *frame,
dec_ref( r2 );
}
result = simplify_ratio( frame, r );
result = simplify_ratio( frame_pointer, r );
if ( !eq( r, result ) ) {
dec_ref( r );
}
} else {
result =
lisp_throw( make_cons( c_string_to_lisp_string
throw_exception( make_cons( c_string_to_lisp_string
( "Shouldn't happen: bad arg to add_ratio_ratio" ),
make_cons( arg1,
make_cons( arg2, NIL ) ) ),
frame );
frame_pointer );
}
#ifdef DEBUG
@ -171,26 +172,26 @@ struct cons_pointer add_ratio_ratio( struct stack_frame *frame,
* the intger indicated by `intarg` and the ratio indicated by
* `ratarg`. If you pass other types, this is going to break horribly.
*/
struct cons_pointer add_integer_ratio( struct stack_frame *frame,
struct cons_pointer add_integer_ratio( struct cons_pointer frame_pointer,
struct cons_pointer intarg,
struct cons_pointer ratarg ) {
struct cons_pointer result;
if ( integerp( intarg ) && ratiop( ratarg ) ) {
struct cons_pointer one = make_integer( 1 ),
ratio = make_ratio( frame, intarg, one );
ratio = make_ratio( frame_pointer, intarg, one );
result = add_ratio_ratio( frame, ratio, ratarg );
result = add_ratio_ratio( frame_pointer, ratio, ratarg );
dec_ref( one );
dec_ref( ratio );
} else {
result =
lisp_throw( make_cons( c_string_to_lisp_string
throw_exception( make_cons( c_string_to_lisp_string
( "Shouldn't happen: bad arg to add_integer_ratio" ),
make_cons( intarg,
make_cons( ratarg, NIL ) ) ),
frame );
frame_pointer );
}
return result;
@ -201,15 +202,15 @@ struct cons_pointer add_integer_ratio( struct stack_frame *frame,
* indicated by `arg1` divided by the ratio indicated by `arg2`. If either
* of these aren't RTIO cells, something horrid will happen and it is YOUR FAULT.
*/
struct cons_pointer divide_ratio_ratio( struct stack_frame *frame,
struct cons_pointer divide_ratio_ratio( struct cons_pointer frame_pointer,
struct cons_pointer arg1,
struct cons_pointer arg2 ) {
struct cons_pointer i = make_ratio( frame,
struct cons_pointer i = make_ratio( frame_pointer,
pointer2cell( arg2 ).payload.ratio.
divisor,
pointer2cell( arg2 ).payload.ratio.
dividend ), result =
multiply_ratio_ratio( frame, arg1, i );
multiply_ratio_ratio( frame_pointer, arg1, i );
dec_ref( i );
@ -221,9 +222,7 @@ struct cons_pointer divide_ratio_ratio( struct stack_frame *frame,
* the ratios indicated by `arg1` and `arg2`. If you pass non-ratios,
* this is going to break horribly.
*/
struct cons_pointer multiply_ratio_ratio( struct
stack_frame
*frame, struct
struct cons_pointer multiply_ratio_ratio( struct cons_pointer frame_pointer, struct
cons_pointer arg1, struct
cons_pointer arg2 ) {
struct cons_pointer result;
@ -249,18 +248,18 @@ struct cons_pointer multiply_ratio_ratio( struct
ddrv = dd1v * dd2v, drrv = dr1v * dr2v;
struct cons_pointer unsimplified =
make_ratio( frame, make_integer( ddrv ),
make_ratio( frame_pointer, make_integer( ddrv ),
make_integer( drrv ) );
result = simplify_ratio( frame, unsimplified );
result = simplify_ratio( frame_pointer, unsimplified );
if ( !eq( unsimplified, result ) ) {
dec_ref( unsimplified );
}
} else {
result =
lisp_throw( c_string_to_lisp_string
throw_exception( c_string_to_lisp_string
( "Shouldn't happen: bad arg to multiply_ratio_ratio" ),
frame );
frame_pointer );
}
return result;
@ -271,23 +270,23 @@ struct cons_pointer multiply_ratio_ratio( struct
* the intger indicated by `intarg` and the ratio indicated by
* `ratarg`. If you pass other types, this is going to break horribly.
*/
struct cons_pointer multiply_integer_ratio( struct stack_frame *frame,
struct cons_pointer multiply_integer_ratio( struct cons_pointer frame_pointer,
struct cons_pointer intarg,
struct cons_pointer ratarg ) {
struct cons_pointer result;
if ( integerp( intarg ) && ratiop( ratarg ) ) {
struct cons_pointer one = make_integer( 1 ),
ratio = make_ratio( frame, intarg, one );
result = multiply_ratio_ratio( frame, ratio, ratarg );
ratio = make_ratio( frame_pointer, intarg, one );
result = multiply_ratio_ratio( frame_pointer, ratio, ratarg );
dec_ref( one );
dec_ref( ratio );
} else {
result =
lisp_throw( c_string_to_lisp_string
throw_exception( c_string_to_lisp_string
( "Shouldn't happen: bad arg to multiply_integer_ratio" ),
frame );
frame_pointer );
}
return result;
@ -299,11 +298,11 @@ struct cons_pointer multiply_integer_ratio( struct stack_frame *frame,
* the ratios indicated by `arg1` and `arg2`. If you pass non-ratios,
* this is going to break horribly.
*/
struct cons_pointer subtract_ratio_ratio( struct stack_frame *frame,
struct cons_pointer subtract_ratio_ratio( struct cons_pointer frame_pointer,
struct cons_pointer arg1,
struct cons_pointer arg2 ) {
struct cons_pointer i = inverse( frame, arg2 ),
result = add_ratio_ratio( frame, arg1, i );
struct cons_pointer i = inverse( frame_pointer, arg2 ),
result = add_ratio_ratio( frame_pointer, arg1, i );
dec_ref( i );
@ -315,7 +314,7 @@ struct cons_pointer subtract_ratio_ratio( struct stack_frame *frame,
* Construct a ratio frame from these two pointers, expected to be integers
* or (later) bignums, in the context of this stack_frame.
*/
struct cons_pointer make_ratio( struct stack_frame *frame,
struct cons_pointer make_ratio( struct cons_pointer frame_pointer,
struct cons_pointer dividend,
struct cons_pointer divisor ) {
struct cons_pointer result;
@ -328,9 +327,9 @@ struct cons_pointer make_ratio( struct stack_frame *frame,
cell->payload.ratio.divisor = divisor;
} else {
result =
lisp_throw( c_string_to_lisp_string
throw_exception( c_string_to_lisp_string
( "Dividend and divisor of a ratio must be integers" ),
frame );
frame_pointer );
}
#ifdef DEBUG
dump_object( stderr, result );

View file

@ -11,36 +11,34 @@
#ifndef __ratio_h
#define __ratio_h
struct cons_pointer simplify_ratio( struct stack_frame *frame,
struct cons_pointer simplify_ratio( struct cons_pointer frame_pointer,
struct cons_pointer arg );
struct cons_pointer add_ratio_ratio( struct stack_frame *frame,
struct cons_pointer add_ratio_ratio( struct cons_pointer frame_pointer,
struct cons_pointer arg1,
struct cons_pointer arg2 );
struct cons_pointer add_integer_ratio( struct stack_frame *frame,
struct cons_pointer add_integer_ratio( struct cons_pointer frame_pointer,
struct cons_pointer intarg,
struct cons_pointer ratarg );
struct cons_pointer divide_ratio_ratio( struct stack_frame *frame,
struct cons_pointer divide_ratio_ratio( struct cons_pointer frame_pointer,
struct cons_pointer arg1,
struct cons_pointer arg2 );
struct cons_pointer multiply_ratio_ratio( struct
stack_frame
*frame, struct
struct cons_pointer multiply_ratio_ratio( struct cons_pointer frame_pointer, struct
cons_pointer arg1, struct
cons_pointer arg2 );
struct cons_pointer multiply_integer_ratio( struct stack_frame *frame,
struct cons_pointer multiply_integer_ratio( struct cons_pointer frame_pointer,
struct cons_pointer intarg,
struct cons_pointer ratarg );
struct cons_pointer subtract_ratio_ratio( struct stack_frame *frame,
struct cons_pointer subtract_ratio_ratio( struct cons_pointer frame_pointer,
struct cons_pointer arg1,
struct cons_pointer arg2 );
struct cons_pointer make_ratio( struct stack_frame *frame,
struct cons_pointer make_ratio( struct cons_pointer frame_pointer,
struct cons_pointer dividend,
struct cons_pointer divisor );