commit e740cd5ef05a6abd77edfde97e42000f5917201e
author Marat Dukhan <maratek@google.com> Fri Jul 24 16:34:55 2020 -0700
committer XNNPACK Team <xnnpack-github-robot@google.com> Fri Jul 24 16:35:36 2020 -0700
tree 10a41d2ea85a593c9eafa36629fc206bad4ecc96
parent 5b69f8b3f24b84a3d41de5436951693bd7c25bc3

Remove duplicated xnn_qu8_requantize_fp32__scalar_magic

PiperOrigin-RevId: 323095693

src/qu8-requantization/fp32-scalar-lrintf.c

diff --git a/src/qu8-requantization/fp32-scalar-lrintf.c b/src/qu8-requantization/fp32-scalar-lrintf.c
index 2bca907..3fdccfb 100644
--- a/src/qu8-requantization/fp32-scalar-lrintf.c
+++ b/src/qu8-requantization/fp32-scalar-lrintf.c
@@ -66,49 +66,3 @@
   }
 }
 
-void xnn_qu8_requantize_fp32__scalar_magic(
-    size_t n,
-    const int32_t* input,
-    float scale,
-    uint8_t zero_point,
-    uint8_t qmin,
-    uint8_t qmax,
-    uint8_t* output)
-{
-  assert(n % 4 == 0);
-  assert(scale < 1.0f);
-  assert(scale >= 0x1.0p-32f);
-
-  const float fmin = (float) ((int32_t)(uint32_t) qmin - (int32_t)(uint32_t) zero_point);
-  const float fmax = (float) ((int32_t)(uint32_t) qmax - (int32_t)(uint32_t) zero_point);
-  const float fmagic = 12582912.0f;
-  const int32_t imagic = INT32_C(0x4B400000) - (int32_t)(uint32_t) zero_point;
-  for (; n != 0; n -= 4) {
-    const int32_t x = input[0];
-    const int32_t y = input[1];
-    const int32_t z = input[2];
-    const int32_t w = input[3];
-    input += 4;
-
-    const float x_scaled = (float) x * scale;
-    const float y_scaled = (float) y * scale;
-    const float z_scaled = (float) z * scale;
-    const float w_scaled = (float) w * scale;
-
-    const float x_clamped = x_scaled < fmin ? fmin : x_scaled > fmax ? fmax : x_scaled;
-    const float y_clamped = y_scaled < fmin ? fmin : y_scaled > fmax ? fmax : y_scaled;
-    const float z_clamped = z_scaled < fmin ? fmin : z_scaled > fmax ? fmax : z_scaled;
-    const float w_clamped = w_scaled < fmin ? fmin : w_scaled > fmax ? fmax : w_scaled;
-
-    const int32_t x_biased = (int32_t) fp32_to_bits(x_clamped + fmagic) - imagic;
-    const int32_t y_biased = (int32_t) fp32_to_bits(y_clamped + fmagic) - imagic;
-    const int32_t z_biased = (int32_t) fp32_to_bits(z_clamped + fmagic) - imagic;
-    const int32_t w_biased = (int32_t) fp32_to_bits(w_clamped + fmagic) - imagic;
-
-    output[0] = (uint8_t) x_biased;
-    output[1] = (uint8_t) y_biased;
-    output[2] = (uint8_t) z_biased;
-    output[3] = (uint8_t) w_biased;
-    output += 4;
-  }
-}