Remove the unnecessary FRACTIONONE from bsincgen
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+6
-11
@@ -43,26 +43,22 @@
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#ifndef M_PI
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#define M_PI (3.14159265358979323846)
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#define M_PI 3.14159265358979323846
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#endif
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#if !(defined(_ISOC99_SOURCE) || (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L))
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#define log2(x) (log(x) / log(2.0))
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#endif
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/* Same as in alu.h! */
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#define FRACTIONBITS (12)
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#define FRACTIONONE (1<<FRACTIONBITS)
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// The number of distinct scale and phase intervals within the filter table.
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// Must be the same as in alu.h!
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#define BSINC_SCALE_COUNT (16)
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#define BSINC_PHASE_COUNT (16)
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#define BSINC_SCALE_COUNT 16
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#define BSINC_PHASE_COUNT 16
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/* 48 points includes the doubling for downsampling, so the maximum number of
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* base sample points is 24, which is 23rd order.
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*/
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#define BSINC_POINTS_MAX (48)
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#define BSINC_POINTS_MAX 48
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static double MinDouble(double a, double b)
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{ return (a <= b) ? a : b; }
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@@ -347,14 +343,13 @@ int main(int argc, char *argv[])
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fprintf(output, "/* Generated by bsincgen, do not edit! */\n"
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"#pragma once\n\n"
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"static_assert(BSINC_SCALE_COUNT == %d, \"Unexpected BSINC_SCALE_COUNT value!\");\n"
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"static_assert(BSINC_PHASE_COUNT == %d, \"Unexpected BSINC_PHASE_COUNT value!\");\n"
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"static_assert(FRACTIONONE == %d, \"Unexpected FRACTIONONE value!\");\n\n"
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"static_assert(BSINC_PHASE_COUNT == %d, \"Unexpected BSINC_PHASE_COUNT value!\");\n\n"
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"struct BSincTable {\n"
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" const float scaleBase, scaleRange;\n"
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" const unsigned int m[BSINC_SCALE_COUNT];\n"
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" const unsigned int filterOffset[BSINC_SCALE_COUNT];\n"
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" const float *Tab;\n"
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"};\n\n", BSINC_SCALE_COUNT, BSINC_PHASE_COUNT, FRACTIONONE);
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"};\n\n", BSINC_SCALE_COUNT, BSINC_PHASE_COUNT);
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/* A 23rd order filter with a -60dB drop at nyquist. */
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BsiGenerateTables(output, "bsinc24", 60.0, 23);
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/* An 11th order filter with a -40dB drop at nyquist. */
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