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frac.3Cg
Langue: en
Version: 348368 (ubuntu - 24/10/10)
Section: 3 (Bibliothèques de fonctions)
NAME
frac - returns the fractional portion of a scalar or each vector component.SYNOPSIS
float frac(float a); float1 frac(float1 a); float2 frac(float2 a); float3 frac(float3 a); float4 frac(float4 a);
half frac(half a); half1 frac(half1 a); half2 frac(half2 a); half3 frac(half3 a); half4 frac(half4 a);
fixed frac(fixed a); fixed1 frac(fixed1 a); fixed2 frac(fixed2 a); fixed3 frac(fixed3 a); fixed4 frac(fixed4 a);
PARAMETERS
- a
- Vector or scalar of which to return its fractional portion.
DESCRIPTION
Returns the fractional portion of a scalar or each vector component.REFERENCE IMPLEMENTATION
frac for a float scalar could be implemented like this.float frac(float v) { return v - floor(v); }
PROFILE SUPPORT
frac is supported in all profiles except fp20.SEE ALSO
ceil, floor, round, truncContenus ©2006-2024 Benjamin Poulain
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