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Diffstat (limited to 'psquare.h')
-rw-r--r-- | psquare.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/psquare.h b/psquare.h new file mode 100644 index 00000000..77580e02 --- /dev/null +++ b/psquare.h @@ -0,0 +1,54 @@ +/* Copyright 2021 + * Kaz Kylheku <kaz@kylheku.com> + * Vancouver, Canada + * All rights reserved. + * + * 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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. + */ + +enum psq_type { + psq_regular, + psq_grouped +}; + +struct psquare { + enum psq_type type; + double p; + double q[5]; + double wn[5]; + double dn[5]; + cnum n[5]; + ucnum count; + /* psq_grouped fields */ + ucnum grsize; + double prev; + double rate; + double blend; + int blending; +}; + +void psq_init(struct psquare *, double p); +void psq_init_grouped(struct psquare *, double p, + ucnum grsize, double rate); +void psq_add_sample(struct psquare *, double s, val self); +double psq_get_estimate(struct psquare *); |