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Add ceil
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@ -31,6 +31,17 @@ int ALWAYS_INLINE fast_floorf(float x)
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return i;
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return i;
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}
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}
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int ALWAYS_INLINE fast_ceilf(float x)
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{
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int i;
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x += 0.9999f;
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asm volatile (
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"vcvt.S32.f32 %[r], %[x]\n"
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: [r] "=t" (i)
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: [x] "t" (x));
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return i;
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}
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int ALWAYS_INLINE fast_roundf(float x)
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int ALWAYS_INLINE fast_roundf(float x)
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{
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{
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int i;
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int i;
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@ -2,7 +2,8 @@
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#define __FMATH_H__
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#define __FMATH_H__
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#include <stdint.h>
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#include <stdint.h>
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float fast_sqrtf(float x);
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float fast_sqrtf(float x);
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int fast_floor(float x);
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int fast_floorf(float x);
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int fast_ceilf(float x);
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int fast_roundf(float x);
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int fast_roundf(float x);
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float fast_atanf(float x);
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float fast_atanf(float x);
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float fast_atan2f(float x, float y);
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float fast_atan2f(float x, float y);
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