49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
#include <math.h>
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// these 2 functions seem to actually work... no idea why
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// replacing with libgcc does not work (probably due to wrong calling conventions)
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double __aeabi_f2d(float x) {
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// TODO
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return 0.0;
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}
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float __aeabi_d2f(double x) {
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// TODO
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return 0.0;
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}
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/*
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double sqrt(double x) {
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// TODO
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return 0.0;
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}
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*/
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float sqrtf(float x) {
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asm volatile (
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"vsqrt.f32 %[r], %[x]\n"
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: [r] "=t" (x)
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: [x] "t" (x));
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return x;
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}
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// TODO we need import these functions from some library (eg musl or newlib)
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float powf(float x, float y) { return 0.0; }
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float expf(float x) { return 0.0; }
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float logf(float x) { return 0.0; }
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float log2f(float x) { return 0.0; }
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float log10f(float x) { return 0.0; }
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float coshf(float x) { return 0.0; }
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float sinhf(float x) { return 0.0; }
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float tanhf(float x) { return 0.0; }
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float acoshf(float x) { return 0.0; }
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float asinhf(float x) { return 0.0; }
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float atanhf(float x) { return 0.0; }
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float cosf(float x) { return 0.0; }
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float sinf(float x) { return 0.0; }
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float tanf(float x) { return 0.0; }
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float acosf(float x) { return 0.0; }
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float asinf(float x) { return 0.0; }
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float atanf(float x) { return 0.0; }
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float atan2f(float x, float y) { return 0.0; }
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