diff options
Diffstat (limited to 'lib/virtual_oss/bt/cosdata-gen/cosdata.c')
| -rw-r--r-- | lib/virtual_oss/bt/cosdata-gen/cosdata.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/lib/virtual_oss/bt/cosdata-gen/cosdata.c b/lib/virtual_oss/bt/cosdata-gen/cosdata.c new file mode 100644 index 000000000000..b8409cbd0216 --- /dev/null +++ b/lib/virtual_oss/bt/cosdata-gen/cosdata.c @@ -0,0 +1,177 @@ +/*- + * Copyright (c) 2015 - 2016 Nathanial Sloss <nathanialsloss@yahoo.com.au> + * All rights reserved. + * + * This software is dedicated to the memory of - + * Baron James Anlezark (Barry) - 1 Jan 1949 - 13 May 2012. + * + * Barry was a man who loved his music. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <math.h> +#include <stdio.h> +#include <stdint.h> + +static const double sbc8_coeffs[] = { + 0.00000000e+00, 1.56575398e-04, 3.43256425e-04, 5.54620202e-04, + 8.23919506e-04, 1.13992507e-03, 1.47640169e-03, 1.78371725e-03, + 2.01182542e-03, 2.10371989e-03, 1.99454554e-03, 1.61656283e-03, + 9.02154502e-04, -1.78805361e-04, -1.64973098e-03, -3.49717454e-03, + 5.65949473e-03, 8.02941163e-03, 1.04584443e-02, 1.27472335e-02, + 1.46525263e-02, 1.59045603e-02, 1.62208471e-02, 1.53184106e-02, + 1.29371806e-02, 8.85757540e-03, 2.92408442e-03, -4.91578024e-03, + -1.46404076e-02, -2.61098752e-02, -3.90751381e-02, -5.31873032e-02, + 6.79989431e-02, 8.29847578e-02, 9.75753918e-02, 1.11196689e-01, + 1.23264548e-01, 1.33264415e-01, 1.40753505e-01, 1.45389847e-01, + 1.46955068e-01, 1.45389847e-01, 1.40753505e-01, 1.33264415e-01, + 1.23264548e-01, 1.11196689e-01, 9.75753918e-02, 8.29847578e-02, + -6.79989431e-02, -5.31873032e-02, -3.90751381e-02, -2.61098752e-02, + -1.46404076e-02, -4.91578024e-03, 2.92408442e-03, 8.85757540e-03, + 1.29371806e-02, 1.53184106e-02, 1.62208471e-02, 1.59045603e-02, + 1.46525263e-02, 1.27472335e-02, 1.04584443e-02, 8.02941163e-03, + -5.65949473e-03, -3.49717454e-03, -1.64973098e-03, -1.78805361e-04, + 9.02154502e-04, 1.61656283e-03, 1.99454554e-03, 2.10371989e-03, + 2.01182542e-03, 1.78371725e-03, 1.47640169e-03, 1.13992507e-03, + 8.23919506e-04, 5.54620202e-04, 3.43256425e-04, 1.56575398e-04, +}; + +static const double sbc4_coeffs[] = { + 0.00000000e+00, 5.36548976e-04, 1.49188357e-03, 2.73370904e-03, + 3.83720193e-03, 3.89205149e-03, 1.86581691e-03, -3.06012286e-03, + 1.09137620e-02, 2.04385087e-02, 2.88757392e-02, 3.21939290e-02, + 2.58767811e-02, 6.13245186e-03, -2.88217274e-02, -7.76463494e-02, + 1.35593274e-01, 1.94987841e-01, 2.46636662e-01, 2.81828203e-01, + 2.94315332e-01, 2.81828203e-01, 2.46636662e-01, 1.94987841e-01, + -1.35593274e-01, -7.76463494e-02, -2.88217274e-02, 6.13245186e-03, + 2.58767811e-02, 3.21939290e-02, 2.88757392e-02, 2.04385087e-02, + -1.09137620e-02, -3.06012286e-03, 1.86581691e-03, 3.89205149e-03, + 3.83720193e-03, 2.73370904e-03, 1.49188357e-03, 5.36548976e-04, +}; + +#define AC(x) (int)(sizeof(x) / sizeof((x)[0])) + +int +main(int argc, char **argv) +{ + float S[8][16]; + int i; + int k; + int count = 0; + + printf("/* sbc_coeffs.h - Automatically generated by cosdata.c. */\n" + "\n"); + + printf("static const float sbc_coeffs8[] = {\n "); + for (k = 0; k < AC(sbc8_coeffs); k++) { + if ((count % 8) == 0 && count != 0) + printf("\n "); + printf("%0.12ff, ", (float)sbc8_coeffs[k]); + count++; + } + printf("\n};\n"); + + count = 0; + printf("static const float sbc_coeffs4[] = {\n "); + for (k = 0; k < AC(sbc4_coeffs); k++) { + if ((count % 8) == 0 && count != 0) + printf("\n "); + printf("%0.12ff, ", (float)sbc4_coeffs[k]); + count++; + } + printf("\n};\n"); + + count = 0; + printf("static const float cosdata8[8][16] = {\n "); + for (i = 0; i < 8; i++) { + for (k = 0; k < 16; k++) { + S[i][k] = cosf((float)((i + 0.5) * (k - 4) * (M_PI / 8.0))); + + if ((count % 8) == 0 && count != 0) + printf("\n "); + if (k == 0) + printf("{ "); + printf("%0.12ff, ", S[i][k]); + if (k == 15) + printf("},"); + count++; + } + } + printf("\n};\n"); + + count = 0; + printf("static const float cosdata4[4][8] = {\n "); + for (i = 0; i < 4; i++) { + for (k = 0; k < 8; k++) { + S[i][k] = cosf((float)((i + 0.5) * (k - 2) * (M_PI / 4.0))); + + if ((count % 8) == 0 && count != 0) + printf("\n "); + if (k == 0) + printf("{ "); + printf("%0.12ff, ", S[i][k]); + if (k == 7) + printf("},"); + count++; + } + } + printf("\n};\n"); + + count = 0; + printf("static const float cosdecdata8[8][16] = {\n "); + for (i = 0; i < 8; i++) { + for (k = 0; k < 16; k++) { + S[i][k] = cosf((float)((i + 0.5) * (k + 4) * (M_PI / 8.0))); + + if ((count % 8) == 0 && count != 0) + printf("\n "); + if (k == 0) + printf("{ "); + printf("%0.12ff, ", S[i][k]); + if (k == 15) + printf("},"); + count++; + } + } + printf("\n};\n"); + + count = 0; + printf("static const float cosdecdata4[4][8] = {\n "); + for (i = 0; i < 4; i++) { + for (k = 0; k < 8; k++) { + S[i][k] = cosf((float)((i + 0.5) * (k + 2) * (M_PI / 4.0))); + + if ((count % 8) == 0 && count != 0) + printf("\n "); + if (k == 0) + printf("{ "); + printf("%0.12ff, ", S[i][k]); + if (k == 7) + printf("},"); + count++; + } + } + printf("\n};\n"); + + return (0); +} |