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AK: Add to_radians and to_degrees math functions

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Bastiaan van der Plaat 2023-09-09 14:43:39 +02:00 • committed by Sam Atkins
parent 9b7aa8f6b6
commit 494a8cb816
15 changed files with 40 additions and 40 deletions
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7
Userland/Libraries/LibGfx/DeltaE.cpp
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@ -5,6 +5,7 @@
*/
#include <AK/Format.h>
#include <AK/Math.h>
#include <LibGfx/DeltaE.h>
#include <math.h>
@ -39,7 +40,7 @@ float DeltaE(CIELAB const& c1, CIELAB const& c2)
float h_prime = atan2(b, a_prime);
if (h_prime < 0)
h_prime += 2 * static_cast<float>(M_PI);
return h_prime * 180 / static_cast<float>(M_PI);
return AK::to_degrees(h_prime);
};
float h1_prime = h_prime(c1.b, a1_prime);
float h2_prime = h_prime(c2.b, a2_prime);
@ -54,8 +55,8 @@ float DeltaE(CIELAB const& c1, CIELAB const& c2)
else
delta_h_prime = h2_prime - h1_prime - 360;
auto sin_degrees = [](float x) { return sinf(x * static_cast<float>(M_PI) / 180); };
auto cos_degrees = [](float x) { return cosf(x * static_cast<float>(M_PI) / 180); };
auto sin_degrees = [](float x) { return sinf(AK::to_radians(x)); };
auto cos_degrees = [](float x) { return cosf(AK::to_radians(x)); };
float delta_H_prime = 2 * sqrtf(C1_prime * C2_prime) * sin_degrees(delta_h_prime / 2);