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py: Fix up number operations and coercion.

This commit is contained in:
Damien George 2014-01-06 22:13:00 +00:00 committed by John R. Lenton
parent be8fe5be2e
commit 1a9951d5aa
6 changed files with 129 additions and 98 deletions
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14
examples/mandel.py Normal file
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@ -0,0 +1,14 @@
@micropython.native
def in_set(c):
z = 0
for i in range(40):
z = z*z + c
if abs(z) > 60:
return False
return True
for v in range(31):
line = []
for u in range(91):
line.append('*' if in_set((u / 30 - 2) + (v / 15 - 1) * 1j) else ' ')
print(''.join(line))

2
py/asmx64.c
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@ -155,7 +155,7 @@ void asm_x64_end_pass(asm_x64_t *as) {
//as->code_base = m_new(byte, as->code_size); need to allocale executable memory
uint actual_alloc;
as->code_base = alloc_mem(as->code_size, &actual_alloc, true);
printf("code_size: %u\n", as->code_size);
//printf("code_size: %u\n", as->code_size);
}
/*

2
py/obj.h
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@ -200,10 +200,12 @@ qstr mp_obj_str_get(mp_obj_t self_in);
// float
extern const mp_obj_type_t float_type;
mp_float_t mp_obj_float_get(mp_obj_t self_in);
mp_obj_t mp_obj_float_binary_op(int op, mp_float_t lhs_val, mp_obj_t rhs);
// complex
extern const mp_obj_type_t complex_type;
void mp_obj_complex_get(mp_obj_t self_in, mp_float_t *real, mp_float_t *imag);
mp_obj_t mp_obj_complex_binary_op(int op, mp_float_t lhs_real, mp_float_t lhs_imag, mp_obj_t rhs_in);
#endif
// tuple

70
py/objcomplex.c
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@ -48,14 +48,14 @@ static mp_obj_t complex_make_new(mp_obj_t type_in, int n_args, const mp_obj_t *a
{
mp_float_t real, imag;
if (MP_OBJ_IS_TYPE(args[1], &complex_type)) {
mp_obj_get_complex(args[1], &real, &imag);
mp_obj_complex_get(args[1], &real, &imag);
} else {
real = mp_obj_get_float(args[1]);
imag = 0;
}
if (MP_OBJ_IS_TYPE(args[0], &complex_type)) {
mp_float_t real2, imag2;
mp_obj_get_complex(args[0], &real2, &imag2);
mp_obj_complex_get(args[0], &real2, &imag2);
real -= imag2;
imag += real2;
} else {
@ -80,9 +80,41 @@ static mp_obj_t complex_unary_op(int op, mp_obj_t o_in) {
}
static mp_obj_t complex_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
mp_float_t lhs_real, lhs_imag, rhs_real, rhs_imag;
mp_obj_complex_get(lhs_in, &lhs_real, &lhs_imag);
mp_obj_complex_get(rhs_in, &rhs_real, &rhs_imag);
mp_obj_complex_t *lhs = lhs_in;
return mp_obj_complex_binary_op(op, lhs->real, lhs->imag, rhs_in);
}
const mp_obj_type_t complex_type = {
{ &mp_const_type },
"complex",
complex_print, // print
complex_make_new, // make_new
NULL, // call_n
complex_unary_op, // unary_op
complex_binary_op, // binary_op
NULL, // getiter
NULL, // iternext
.methods = { { NULL, NULL }, },
};
mp_obj_t mp_obj_new_complex(mp_float_t real, mp_float_t imag) {
mp_obj_complex_t *o = m_new_obj(mp_obj_complex_t);
o->base.type = &complex_type;
o->real = real;
o->imag = imag;
return o;
}
void mp_obj_complex_get(mp_obj_t self_in, mp_float_t *real, mp_float_t *imag) {
assert(MP_OBJ_IS_TYPE(self_in, &complex_type));
mp_obj_complex_t *self = self_in;
*real = self->real;
*imag = self->imag;
}
mp_obj_t mp_obj_complex_binary_op(int op, mp_float_t lhs_real, mp_float_t lhs_imag, mp_obj_t rhs_in) {
mp_float_t rhs_real, rhs_imag;
mp_obj_get_complex(rhs_in, &rhs_real, &rhs_imag); // can be any type, this function will convert to float (if possible)
switch (op) {
case RT_BINARY_OP_ADD:
case RT_BINARY_OP_INPLACE_ADD:
@ -115,32 +147,4 @@ static mp_obj_t complex_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
return mp_obj_new_complex(lhs_real, lhs_imag);
}
const mp_obj_type_t complex_type = {
{ &mp_const_type },
"complex",
complex_print, // print
complex_make_new, // make_new
NULL, // call_n
complex_unary_op, // unary_op
complex_binary_op, // binary_op
NULL, // getiter
NULL, // iternext
.methods = { { NULL, NULL }, },
};
mp_obj_t mp_obj_new_complex(mp_float_t real, mp_float_t imag) {
mp_obj_complex_t *o = m_new_obj(mp_obj_complex_t);
o->base.type = &complex_type;
o->real = real;
o->imag = imag;
return o;
}
void mp_obj_complex_get(mp_obj_t self_in, mp_float_t *real, mp_float_t *imag) {
assert(MP_OBJ_IS_TYPE(self_in, &complex_type));
mp_obj_complex_t *self = self_in;
*real = self->real;
*imag = self->imag;
}
#endif

43
py/objfloat.c
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@ -53,27 +53,12 @@ static mp_obj_t float_unary_op(int op, mp_obj_t o_in) {
}
static mp_obj_t float_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
mp_obj_float_t *lhs = lhs_in;
if (MP_OBJ_IS_TYPE(rhs_in, &complex_type)) {
return complex_type.binary_op(op, lhs_in, rhs_in);
return mp_obj_complex_binary_op(op, lhs->value, 0, rhs_in);
} else {
return mp_obj_float_binary_op(op, lhs->value, rhs_in);
}
mp_float_t lhs_val = mp_obj_get_float(lhs_in);
mp_float_t rhs_val = mp_obj_get_float(rhs_in);
switch (op) {
case RT_BINARY_OP_ADD:
case RT_BINARY_OP_INPLACE_ADD: lhs_val += rhs_val; break;
case RT_BINARY_OP_SUBTRACT:
case RT_BINARY_OP_INPLACE_SUBTRACT: lhs_val -= rhs_val; break;
case RT_BINARY_OP_MULTIPLY:
case RT_BINARY_OP_INPLACE_MULTIPLY: lhs_val *= rhs_val; break;
/* TODO floor(?) the value
case RT_BINARY_OP_FLOOR_DIVIDE:
case RT_BINARY_OP_INPLACE_FLOOR_DIVIDE: val = lhs_val / rhs_val; break;
*/
case RT_BINARY_OP_TRUE_DIVIDE:
case RT_BINARY_OP_INPLACE_TRUE_DIVIDE: lhs_val /= rhs_val; break;
return NULL; // op not supported
}
return mp_obj_new_float(lhs_val);
}
const mp_obj_type_t float_type = {
@ -99,4 +84,24 @@ mp_float_t mp_obj_float_get(mp_obj_t self_in) {
return self->value;
}
mp_obj_t mp_obj_float_binary_op(int op, mp_float_t lhs_val, mp_obj_t rhs_in) {
mp_float_t rhs_val = mp_obj_get_float(rhs_in); // can be any type, this function will convert to float (if possible)
switch (op) {
case RT_BINARY_OP_ADD:
case RT_BINARY_OP_INPLACE_ADD: lhs_val += rhs_val; break;
case RT_BINARY_OP_SUBTRACT:
case RT_BINARY_OP_INPLACE_SUBTRACT: lhs_val -= rhs_val; break;
case RT_BINARY_OP_MULTIPLY:
case RT_BINARY_OP_INPLACE_MULTIPLY: lhs_val *= rhs_val; break;
/* TODO floor(?) the value
case RT_BINARY_OP_FLOOR_DIVIDE:
case RT_BINARY_OP_INPLACE_FLOOR_DIVIDE: val = lhs_val / rhs_val; break;
*/
case RT_BINARY_OP_TRUE_DIVIDE:
case RT_BINARY_OP_INPLACE_TRUE_DIVIDE: lhs_val /= rhs_val; break;
return NULL; // op not supported
}
return mp_obj_new_float(lhs_val);
}
#endif

96
py/runtime.c
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@ -452,57 +452,63 @@ mp_obj_t rt_binary_op(int op, mp_obj_t lhs, mp_obj_t rhs) {
// then fail
// note that list does not implement + or +=, so that inplace_concat is reached first for +=
if (MP_OBJ_IS_SMALL_INT(lhs) && MP_OBJ_IS_SMALL_INT(rhs)) {
if (MP_OBJ_IS_SMALL_INT(lhs)) {
mp_small_int_t lhs_val = MP_OBJ_SMALL_INT_VALUE(lhs);
mp_small_int_t rhs_val = MP_OBJ_SMALL_INT_VALUE(rhs);
switch (op) {
case RT_BINARY_OP_OR:
case RT_BINARY_OP_INPLACE_OR: lhs_val |= rhs_val; break;
case RT_BINARY_OP_XOR:
case RT_BINARY_OP_INPLACE_XOR: lhs_val ^= rhs_val; break;
case RT_BINARY_OP_AND:
case RT_BINARY_OP_INPLACE_AND: lhs_val &= rhs_val; break;
case RT_BINARY_OP_LSHIFT:
case RT_BINARY_OP_INPLACE_LSHIFT: lhs_val <<= rhs_val; break;
case RT_BINARY_OP_RSHIFT:
case RT_BINARY_OP_INPLACE_RSHIFT: lhs_val >>= rhs_val; break;
case RT_BINARY_OP_ADD:
case RT_BINARY_OP_INPLACE_ADD: lhs_val += rhs_val; break;
case RT_BINARY_OP_SUBTRACT:
case RT_BINARY_OP_INPLACE_SUBTRACT: lhs_val -= rhs_val; break;
case RT_BINARY_OP_MULTIPLY:
case RT_BINARY_OP_INPLACE_MULTIPLY: lhs_val *= rhs_val; break;
case RT_BINARY_OP_FLOOR_DIVIDE:
case RT_BINARY_OP_INPLACE_FLOOR_DIVIDE: lhs_val /= rhs_val; break;
#if MICROPY_ENABLE_FLOAT
case RT_BINARY_OP_TRUE_DIVIDE:
case RT_BINARY_OP_INPLACE_TRUE_DIVIDE: return mp_obj_new_float((mp_float_t)lhs_val / (mp_float_t)rhs_val);
#endif
if (MP_OBJ_IS_SMALL_INT(rhs)) {
mp_small_int_t rhs_val = MP_OBJ_SMALL_INT_VALUE(rhs);
switch (op) {
case RT_BINARY_OP_OR:
case RT_BINARY_OP_INPLACE_OR: lhs_val |= rhs_val; break;
case RT_BINARY_OP_XOR:
case RT_BINARY_OP_INPLACE_XOR: lhs_val ^= rhs_val; break;
case RT_BINARY_OP_AND:
case RT_BINARY_OP_INPLACE_AND: lhs_val &= rhs_val; break;
case RT_BINARY_OP_LSHIFT:
case RT_BINARY_OP_INPLACE_LSHIFT: lhs_val <<= rhs_val; break;
case RT_BINARY_OP_RSHIFT:
case RT_BINARY_OP_INPLACE_RSHIFT: lhs_val >>= rhs_val; break;
case RT_BINARY_OP_ADD:
case RT_BINARY_OP_INPLACE_ADD: lhs_val += rhs_val; break;
case RT_BINARY_OP_SUBTRACT:
case RT_BINARY_OP_INPLACE_SUBTRACT: lhs_val -= rhs_val; break;
case RT_BINARY_OP_MULTIPLY:
case RT_BINARY_OP_INPLACE_MULTIPLY: lhs_val *= rhs_val; break;
case RT_BINARY_OP_FLOOR_DIVIDE:
case RT_BINARY_OP_INPLACE_FLOOR_DIVIDE: lhs_val /= rhs_val; break;
#if MICROPY_ENABLE_FLOAT
case RT_BINARY_OP_TRUE_DIVIDE:
case RT_BINARY_OP_INPLACE_TRUE_DIVIDE: return mp_obj_new_float((mp_float_t)lhs_val / (mp_float_t)rhs_val);
#endif
// TODO implement modulo as specified by Python
case RT_BINARY_OP_MODULO:
case RT_BINARY_OP_INPLACE_MODULO: lhs_val %= rhs_val; break;
// TODO implement modulo as specified by Python
case RT_BINARY_OP_MODULO:
case RT_BINARY_OP_INPLACE_MODULO: lhs_val %= rhs_val; break;
// TODO check for negative power, and overflow
case RT_BINARY_OP_POWER:
case RT_BINARY_OP_INPLACE_POWER:
{
int ans = 1;
while (rhs_val > 0) {
if (rhs_val & 1) {
ans *= lhs_val;
// TODO check for negative power, and overflow
case RT_BINARY_OP_POWER:
case RT_BINARY_OP_INPLACE_POWER:
{
int ans = 1;
while (rhs_val > 0) {
if (rhs_val & 1) {
ans *= lhs_val;
}
lhs_val *= lhs_val;
rhs_val /= 2;
}
lhs_val *= lhs_val;
rhs_val /= 2;
lhs_val = ans;
break;
}
lhs_val = ans;
break;
}
default: assert(0);
}
if (fit_small_int(lhs_val)) {
return MP_OBJ_NEW_SMALL_INT(lhs_val);
default: assert(0);
}
if (fit_small_int(lhs_val)) {
return MP_OBJ_NEW_SMALL_INT(lhs_val);
}
} else if (MP_OBJ_IS_TYPE(rhs, &float_type)) {
return mp_obj_float_binary_op(op, lhs_val, rhs);
} else if (MP_OBJ_IS_TYPE(rhs, &complex_type)) {
return mp_obj_complex_binary_op(op, lhs_val, 0, rhs);
}
} else if (MP_OBJ_IS_OBJ(lhs)) {
mp_obj_base_t *o = lhs;