Paul Lipscomb
cd5ebd84d6
C/C++ extension built directly against the vendored Cockos reaper-sdk headers (no Rust/reaper-rs wrapper layer). Loads, registers a test action, and confirms via REAPER's console — confirmed working in REAPER 2026-07-15. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
/*
|
|
test_eval.h
|
|
Copyright (C) 2011 and later Lubomir I. Ivanov (neolit123 [at] gmail)
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any damages
|
|
arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it
|
|
freely, subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented; you must not
|
|
claim that you wrote the original software. If you use this software
|
|
in a product, an acknowledgment in the product documentation would be
|
|
appreciated but is not required.
|
|
2. Altered source versions must be plainly marked as such, and must not be
|
|
misrepresented as being the original software.
|
|
3. This notice may not be removed or altered from any source distribution.
|
|
*/
|
|
|
|
/*
|
|
test horner.h for complex numbers and other related headers
|
|
|
|
gcc -W -Wall -Wextra -ansi pedantic
|
|
cl /W4 /Za
|
|
|
|
reduced precisions for ansi c
|
|
*/
|
|
|
|
#include "stdio.h"
|
|
#include "complex_number.h"
|
|
#include "horner.h"
|
|
#include "durand_kerner.h"
|
|
|
|
int main(void)
|
|
{
|
|
cmath_uint16_t i = 0;
|
|
|
|
cnum_t y[] = {2, -6, 2, -1};
|
|
cnum_s cy[] = {{2, 0}, {-6, 0}, {2, 0}, {-1, 0}};
|
|
|
|
cnum_t fx = horner_eval(y, 5, poly_order(y));
|
|
cnum_s fcx = horner_eval_c(cy, _CNUM(5, 0), poly_order(y));
|
|
|
|
cnum_t dk_coeff[] = {12, -7, 0.001, 0, 3, -5};
|
|
cnum_s dk_roots[5];
|
|
|
|
cnum_s dk_coeff_c[] = {{12, 0}, {-7, 0}, {0.001, 0}, {0, 0}, {3, 0}, {-5, 0}};
|
|
cnum_s dk_roots_c[5];
|
|
|
|
durand_kerner(dk_coeff, dk_roots, poly_order(dk_coeff));
|
|
durand_kerner_c(dk_coeff_c, dk_roots_c, poly_order(dk_coeff_c));
|
|
|
|
/* */
|
|
#ifdef _CMATH_ANSI
|
|
puts("\n\nansi c is: on");
|
|
#else
|
|
puts("\n\nansi c is: off");
|
|
#endif
|
|
|
|
/* */
|
|
puts("\n\nevaluate polynomials:\n");
|
|
printf("* y[]: %.15f\n", (double)fx);
|
|
printf("* cy[]: %.15f \t %.15f*i\n", (double)fcx.r, (double)fcx.i);
|
|
|
|
/* */
|
|
puts("\nfind roots:");
|
|
puts("\n* dk_coeff[]:");
|
|
i = 0;
|
|
while (i < poly_order(dk_coeff))
|
|
{
|
|
printf("root[%2d]: %.15f \t % .15f*i\n",
|
|
i+1, (double)dk_roots[i].r, (double)dk_roots[i].i);
|
|
i++;
|
|
}
|
|
i = 0;
|
|
puts("\n* dk_coeff_c[]:");
|
|
while (i < poly_order(dk_coeff_c))
|
|
{
|
|
printf("root[%2d]: %.15f \t % .15f*i\n",
|
|
i+1, (double)dk_roots_c[i].r, (double)dk_roots_c[i].i);
|
|
i++;
|
|
}
|
|
|
|
return 0;
|
|
}
|