mirror of https://github.com/ZDoom/fluidsynth.git
41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
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#include "test.h"
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#include "utils/fluid_conv.h"
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#include "utils/fluid_sys.h"
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// this test makes sure FLUID_SNPRINTF uses a proper C99 compliant implementation
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int float_eq(fluid_real_t x, fluid_real_t y)
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{
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static const float EPS = 1e-5;
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FLUID_LOG(FLUID_INFO, "Comparing %.9f and %.9f", x, y);
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return fabs(x-y) < EPS;
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}
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int main(void)
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{
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// 440 * 2^((x-6900)/1200) where x is the cent value given to ct2hz()
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TEST_ASSERT(float_eq(fluid_ct2hz_real(38099), 2.9510849101059895e10));
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TEST_ASSERT(float_eq(fluid_ct2hz_real(13500), 19912.12696));
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TEST_ASSERT(float_eq(fluid_ct2hz_real(12900), 14080));
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TEST_ASSERT(float_eq(fluid_ct2hz_real(12899), 14071.86942));
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TEST_ASSERT(float_eq(fluid_ct2hz_real(12700), 12543.85395));
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TEST_ASSERT(float_eq(fluid_ct2hz_real(6900), 440));
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TEST_ASSERT(float_eq(fluid_ct2hz_real(5700), 220));
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TEST_ASSERT(float_eq(fluid_ct2hz_real(4500), 110));
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TEST_ASSERT(float_eq(fluid_ct2hz_real(901), 13.75794461));
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TEST_ASSERT(float_eq(fluid_ct2hz_real(900), 13.75));
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TEST_ASSERT(float_eq(fluid_ct2hz_real(899), 13.74205998));
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TEST_ASSERT(float_eq(fluid_ct2hz_real(1), 8.180522806));
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TEST_ASSERT(float_eq(fluid_ct2hz_real(0), 8.175798916)); // often referred to as Absolute zero in the SF2 spec
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return EXIT_SUCCESS;
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}
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