123 lines
3.8 KiB
C
123 lines
3.8 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2023 Jeff Epler for Adafruit Industries
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#include <math.h>
|
|
|
|
#include "shared-bindings/synthio/Math.h"
|
|
#include "shared-module/synthio/Math.h"
|
|
|
|
mp_obj_t common_hal_synthio_math_get_input_obj(synthio_math_obj_t *self, size_t i) {
|
|
return self->inputs[i].obj;
|
|
}
|
|
|
|
void common_hal_synthio_math_set_input_obj(synthio_math_obj_t *self, size_t i, mp_obj_t arg, qstr argname) {
|
|
assert(i < MP_ARRAY_SIZE(self->inputs));
|
|
synthio_block_assign_slot(arg, &self->inputs[i], argname);
|
|
}
|
|
|
|
synthio_math_operation_t common_hal_synthio_math_get_operation(synthio_math_obj_t *self) {
|
|
return self->operation;
|
|
}
|
|
|
|
void common_hal_synthio_math_set_operation(synthio_math_obj_t *self, synthio_math_operation_t arg) {
|
|
self->operation = arg;
|
|
}
|
|
|
|
#define ZERO (MICROPY_FLOAT_CONST(0.))
|
|
|
|
mp_float_t common_hal_synthio_math_get_value(synthio_math_obj_t *self) {
|
|
return self->base.value;
|
|
}
|
|
|
|
mp_float_t common_hal_synthio_math_tick(mp_obj_t self_in) {
|
|
synthio_math_obj_t *self = MP_OBJ_TO_PTR(self_in);
|
|
mp_float_t a = synthio_block_slot_get(&self->inputs[0]);
|
|
|
|
if (self->operation == OP_ABS) {
|
|
return MICROPY_FLOAT_C_FUN(fabs)(a);
|
|
}
|
|
|
|
mp_float_t b = synthio_block_slot_get(&self->inputs[1]);
|
|
mp_float_t c = synthio_block_slot_get(&self->inputs[2]);
|
|
|
|
switch (self->operation) {
|
|
case OP_SUM:
|
|
return a + b + c;
|
|
case OP_ADD_SUB:
|
|
return a + b - c;
|
|
case OP_PRODUCT:
|
|
return a * b * c;
|
|
case OP_MUL_DIV:
|
|
if (fpclassify(c) == FP_ZERO) {
|
|
return 0;
|
|
}
|
|
return a * b / c;
|
|
case OP_SCALE_OFFSET:
|
|
return a * b + c;
|
|
case OP_OFFSET_SCALE:
|
|
return (a + b) * c;
|
|
case OP_CONSTRAINED_LERP:
|
|
c = MIN(1, MAX(0, c));
|
|
MP_FALLTHROUGH;
|
|
case OP_LERP:
|
|
return a * (1 - c) + b * c;
|
|
case OP_DIV_ADD:
|
|
if (fpclassify(b) == FP_ZERO) {
|
|
return ZERO;
|
|
}
|
|
return a / b + c;
|
|
case OP_ADD_DIV:
|
|
if (fpclassify(c) == FP_ZERO) {
|
|
return ZERO;
|
|
}
|
|
return (a + b) / c;
|
|
case OP_MID:
|
|
if (a < b) {
|
|
if (b < c) {
|
|
return b;
|
|
}
|
|
if (a < c) {
|
|
return c;
|
|
}
|
|
return a;
|
|
}
|
|
if (a < c) {
|
|
return a;
|
|
}
|
|
if (c < b) {
|
|
return b;
|
|
}
|
|
return c;
|
|
case OP_MIN:
|
|
return MIN(a,MIN(b,c));
|
|
case OP_MAX:
|
|
return MAX(a,MAX(b,c));
|
|
case OP_ABS:
|
|
break;
|
|
}
|
|
return ZERO;
|
|
}
|