29 lines
1.0 KiB
GLSL
29 lines
1.0 KiB
GLSL
// Copyright (C) 2021, Christoph Peters, Karlsruhe Institute of Technology
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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#ifndef M_PI
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#define M_PI 3.1415926535897932384626433832795f
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#endif
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#ifndef M_INV_PI
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#define M_INV_PI 0.31830988618379067153776752674503f
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#endif
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#ifndef M_HALF_PI
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#define M_HALF_PI 1.5707963267948966192313216916398f
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#endif
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#ifndef M_INFINITY
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#define M_INFINITY (1.0f / 0.0f)
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#endif
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